The Curious Engineer

All blogs / Software / engineering practice

Dirk Riehle's Industry and Research Publications

dirkriehle.com

Best of open source, inner source, and product strategy

Software / engineering practiceEngineering management / careers

’10’15’20’25
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709 from 8 Jan 2008 to 17 Oct 2026
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weekly (24 in the last year)
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2026 19

  1. How much should you charge for your open source solution?
  2. Single-vendor open source: It’s not a project, it is a feature! [Computer Magazine]
  3. Value capture dynamics in open source (Foster and Germonprez, IEEE Computer)
  4. Challenges to open source program offices in the automotive industry (Nikita Peters, IEEE Computer)
  5. Pros and cons of the AI bubble
  6. Open source governance practices: A path to improving sustainability (Dawn Foster, IEEE Computer)
  7. Quote on digital sovereignty for German Open Source Competition 2026
  8. Open source and digital sovereignty
  9. Beware of an AI’s authoritative voice
  10. Is commercial open source the right choice for your startup?
  11. I’m amused, legally amused
  12. Understanding sustainable growth in industrial open source software through collaboration networks (Shi et al., IEEE Computer)
  13. How to talk about open source without making a mess
  14. The future of vibe coding, if any
  15. Europe’s AI opportunity: Unbiased foundation models
  16. Open source community roles and community continuity (Matt Germonprez, IEEE Computer)
  17. The new closed complement to commercial open-source software
  18. Don’t blame the AI; it’s on you
  19. AIs are not responsible for their actions

2025 27

  1. Do code AIs afford programmers a higher level of abstraction?
  2. Why an open source requirement (“public money, public code”) is not enough for digital sovereignty
  3. License-compliant distribution of open source code [Computer Magazine]
  4. Can a Domain-Specific Language Improve Program Structure Comprehension of Data Pipelines? A Mixed-Method Study [EMSE Journal]
  5. Best Practices for Work From Home: A Qualitative Survey in Open Source and Distributed Software Development [INFSOF Journal]
  6. Documenting Microservice Integration with MSAdoc [Internetware 2025]
  7. The role of open source in an AI arms race (Christian Koch, IEEE Computer)
  8. The quotable guide to “why contribute to open source projects”
  9. Open source license obligations: Attribution and copyleft [Computer Magazine]
  10. Options to have your open-source software and sustain it too
  11. Balancing technology heterogeneity in microservice architectures [EMSE Journal]
  12. Ensuring syntactic interoperability using consumer-driven contract testing [STVR Journal]
  13. From data to action: Building healthy and sustainable open source projects (Dawn Foster, IEEE Computer)
  14. Is AI killing open source?
  15. The new coming relicensing scare?
  16. Getting to win/win with a university TTO
  17. Re-relicensing to open source explained
  18. A taxonomy of microservice integration techniques [INFSOF Journal]
  19. The software bill of materials [Computer Magazine]
  20. Improving country-level competitiveness through open source consortia
  21. Making your research work practical for industry use
  22. What’s wrong with German university startup incubators?
  23. A systematic review of common beginner programming mistakes in data engineering [CSEE&T 2025]
  24. An empirical study of Jayvee, a domain-specific language for data engineering, on understanding data pipeline architectures [SP&E Journal]
  25. Open-source software: The ultimate in reuse or a risk not worth taking? (Mead et al., IEEE Computer)
  26. Why and how do organizations create user-led open source consortia? [INFSOF Journal]
  27. “Two hard things in computer science” explained

2024 24

  1. Governance practices for open source foundations in the healthcare sector [ICSOB 2024]
  2. Why do companies create and how do they succeed with a vendor‑led open source foundation [EMSE Journal]
  3. Open source program offices [Computer Magazine]
  4. What is “openwashing” (in software)?
  5. What to look for in startup co-founders and early employees
  6. Who gets to do velocity and burndown charts in Scrum?
  7. Stop maligning commercial open source, start helping it
  8. The OPEN_Source-Initiative and the hyphen
  9. The prisoner’s dilemma of open-source software security (Koch, IEEE Computer)
  10. Free and open-source software [Computer Magazine]
  11. A plea for an open source cloud copyleft license
  12. The societal value of commercial open source
  13. Improving velocity of code contributions in open source (Zaks et al., IEEE Computer)
  14. My top three challenges for open source in Germany
  15. A short history of open source business conferences
  16. The life-cycle of open source program offices
  17. Open digital safety (McGregor, IEEE Computer)
  18. Interview on open source and security with DLF Kultur (in German)
  19. What now, open source infrastructure startups?
  20. How open source licenses increase or curtail reach of the software
  21. What about skipping the “open source” part in commercial open source?
  22. Finding the right scope for open source development (Nettsträter & Brehler, IEEE Computer)
  23. A systematic literature review of pre-requirements specification traceability [RE Journal]
  24. Is isEven() a bad function to have?

2023 21

  1. You just don’t understand (open source edition)
  2. The future of the open source definition [Computer Magazine]
  3. Conference talk and magazine article for the Open Logistics Foundation
  4. Should open source projects denounce users who aren’t donating money?
  5. A systematic analysis of problems in open collaborative data engineering [TSC Journal]
  6. Myopia: Is it a feature or a product?
  7. Will open source fix the public cloud vendor lock-in?
  8. Let’s celebrate relicensing from an open source to a proprietary license
  9. Cybersecurity risks unique to open source and what communities are doing to reduce them (Matthew L. Levy, IEEE Computer)
  10. Open source dependencies are investments
  11. The business impact of inner source and how to quantify it [CSUR Journal]
  12. How to win with open source and openness (in German) [F.A.Z.-Institut Managementkompass]
  13. Open source promises not made and broken
  14. Openness is a red Herring, lock-in is the real deal
  15. The corporate open source strategy [Rebooting Computing Conference]
  16. Upcoming talks in June and July 2023
  17. Visual spaghetti robotics edition
  18. Why Scrum projects are harder at a university than in industry
  19. Lessons learned from the Ant Group open source program office (Xia et al., IEEE Computer Column)
  20. Open Source Explained lecture in TUM lecture series on digital sustainability
  21. Open source usability and user experience (Mikko Rajanen, IEEE Computer Column)

2022 26

  1. Women in open source: We need to talk about it (Trinkenreich et al., IEEE Computer Column)
  2. Open source license inconsistencies on GitHub [TOSEM Journal]
  3. Challenges of working from home in software development during COVID-19 lockdowns [TOSEM Journal]
  4. Open source legal debt
  5. Non-software-industry user-led open source consortia
  6. The Pegel Alarm open data challenge (a thread)
  7. Open source and the hyphen
  8. Two issue break of IEEE Computer Column Open Source Expanded
  9. Management accounting concepts for inner-source software engineering [ICSOB 2022]
  10. A research model for the economic assessment of inner-source software development [HICSS 2023]
  11. Open-source software governance: A case study evaluation of supply-chain management best practices [HICSS 2023]
  12. A solution for automated grading of QDA homework [HICSS 2023]
  13. Challenges to open collaborative data engineering [HICSS 2023]
  14. How to think about a dependency on commercial open-source software
  15. Problems, solutions, and success factors in the openMDM user-led open source consortium [CAIS Journal]
  16. The Four Opens: Open Source Beyond the Code (Ildikó Vancsa, IEEE Computer Column)
  17. The benefits of pre-requirements specification traceability [RE 2022]
  18. Call for article proposals for Open Source column in IEEE Computer Magazine
  19. Incentivizing German universities to capitalize on their intellectual property
  20. Software development metrics with a purpose (Gonzalez-Barahona et al., IEEE Computer)
  21. Will open source become the default way of developing software?
  22. Manufacturing independence in the age of the cloud
  23. Commercial participation in OpenStack (Zhang et al., IEEE Computer)
  24. Keynote on user-led open source consortia at ISAFOSS-TIEDE 2022
  25. Open source is not the infrastructure of modern society…
  26. How to fund your startup (using public grants, in Germany, 2022 Edition)

2021 47

  1. A simple fun example of how a computer reads intent wrong
  2. Who to blame for the log4j vulnerability?
  3. Upcoming talk on scaling agile with SAFe® by Oliver Diller of Siemens
  4. The success of log4j
  5. Upcoming talk on agile methodologies in data analytics by Michael Schrapp of Siemens Healthineers
  6. The open source distributor business model [Computer Magazine]
  7. Upcoming talk on using agile methods in the development of medical software by Dr.-Ing. Thomas Göthel of BIOTRONIK
  8. Upcoming talk on challenges to agile software development by Philip Rauwolf of itestra
  9. Upcoming talk on how to achieve flow with the right batch size? by Konrad Swistelnicki of mbition
  10. User-led open source consortia, defined
  11. Using open source in commercial products (15min. video, slides; Oct 2021)
  12. Startup funding for researchers (8min. video, slides; Oct 2021)
  13. What’s next after “source-available”?
  14. Open source hardware (Hannig & Teich, IEEE Computer)
  15. Calculating the costs of inner source collaboration by computing the time worked [HICSS 2022]
  16. A validation of QDAcity‑RE for domain modeling using qualitative data analysis [RE Journal]
  17. Making open source project health transparent (Goggins et al., IEEE Computer)
  18. Advice to students on when to start your company
  19. Pattern discovery and validation using scientific research methods [TPLOP Journal]
  20. Whose open source freedom is it anyway?
  21. Open source software engineering the Eclipse way (Wayne Beaton, IEEE Computer)
  22. Upcoming talk on establishing open source license compliance using continuous integration
  23. The wrong first question: Which open source license?
  24. When does public funding trump venture capital?
  25. Podcast on product management and commercial open source
  26. The future resurgence of copyleft
  27. HarmonyOS, Android, and a radio interview
  28. Open source project licensing
  29. Open source distributions by life-cycle
  30. Open source explained (in German, without jargon, in 1500 Words)
  31. Creating and growing healthy community open source projects [PLoP 2020]
  32. Financial accounting software as a first-person shooter game (future article)
  33. Historic periods in (single-vendor) commercial open source
  34. Inner source and financial compliance
  35. Open source community governance the Apache Way (Drost-Fromm & Tompkins, IEEE Computer)
  36. What is an open source company?
  37. How to make finding inner source projects easy
  38. Research-to-startup for postdocs (5min. video for DAAD PRIME workshop)
  39. A brief history of free, open-source software and its communities (Jesus M. Gonzalez-Barahona, IEEE Computer)
  40. Summary of the winter 2020/21 AMOS projects
  41. Interview with GSO on academia and entrepreneurship
  42. Two types of open source communities
  43. Industry best practices for component approval in open source governance [EuroPLoP 2020]
  44. Upcoming talks on First Ph.D. Then Startup
  45. Getting started with corporate open source governance: A case study evaluation of industry best practices [HICSS 2021]
  46. Upcoming industry talk on when agile meets regulatory compliance by Roland Brethauer of SAP
  47. First Ph.D. Then Startup (5 min. video)

2020 56

  1. Keeping Silicon Valley at bay using open source (talk at Automotive Software Strategies 2021)
  2. Upcoming industry talk on “Do we need agile architecture?” by Wolfgang Strunk of iteratec
  3. Should you be reaching at a venture-backed private college?
  4. Upcoming industry talk on what happens when project = 1 team stops being feasible: Scaling methods, tools and skills, online and IRL by Giovanna Luisi of GfK, Growth from Knowledge
  5. Video for breaking down organizational silos with inner source (in German)
  6. Company support for open source stable for 15 years now?!
  7. Breaking down organizational silos with inner source (in German)
  8. Continuous open source license compliance (Phipps & Zacchiroli, IEEE Computer)
  9. Standardizing open source license compliance with OpenChain (Shane Coughlan, IEEE Computer Column)
  10. Join me at Europe’s Digital Decade: Empowered by Open Source event
  11. Tools for software composition analysis (Philippe Ombredanne, IEEE Computer)
  12. Open source in business on labor economics
  13. Commercial open source and the cloud
  14. Funding universal basic income with rent from your data
  15. A new commercial open source conference
  16. Where is open source in factory automation?
  17. Course on commercial open source startups at UC Santa Cruz
  18. What to call traditional community open source projects not hosted by a foundation?
  19. A researcher’s perspective on “Do developers care about open source?”
  20. Open-source research software (Wilhelm Hasselbring et al., IEEE Computer)
  21. How non-software vendors fail and how inner source can help
  22. Why istio matters to Google
  23. Interpreting the purpose of the Open Usage Commons foundation
  24. The German Corona Warn App, a legally defective product?
  25. What is open collaboration?
  26. What is open communication?
  27. The GNU Public License v2 in the land of microservices
  28. How to read open source license obligations
  29. Open source license compliance and work-for-hire
  30. Three reasons why companies are creating their own open source consortium
  31. Managing your open source supply chain—Why and how? (Nikolay Harutyunyan, IEEE Computer)
  32. Is inner source collaboration like shipping boxes between companies? (Hint: No!!)
  33. Inner source and work-from-home
  34. Teaching software product management
  35. A key capability German car manufacturers are still missing
  36. Ten years of student startups
  37. Challenges of tracking and documenting open source dependencies in products: A case study (video)
  38. The ecosystem of openKONSEQUENZ, a user-led open source foundation (video)
  39. Three open data sources made easy
  40. The innovations of open source article republished in IEEE Computing Edge’s April 2020 issue
  41. Single-vendor open source firms [Computer Magazine]
  42. Managing episodic volunteers in free/libre, and open-source software communities [TSE Journal]
  43. GitHub workflows for office documents
  44. Why I gray-listed GitHub for open source
  45. Please Help Keep our Language Precise: Single-Vendor Open Source is Neo-Proprietary Source, not Closed Source
  46. Challenges of tracking and documenting open source dependencies in products [OSS 2020]
  47. The ecosystem of openKONSEQUENZ, a user-led open source foundation [OSS 2020]
  48. An Analysis of Copyleft Compliance Behavior
  49. Pattern discovery and validation using scientific research methods [Technical Report]
  50. Sorting out the Ethical Licensing Mess
  51. Managing the open source dependency (Tomas Gustavsson, IEEE Computer)
  52. Photo Impressions from the Winter 2019/20 AMOS Projects
  53. Summary of the Winter 2019/20 AMOS Projects
  54. Single-Vendor Open Source Firms and Intellectual Property Strategies (Slides)
  55. Open Source and Public Policy (Slides)
  56. Public Seminars on License-Compliant Delivery of Products that Contain Open Source Software in Q1 of 2020

2019 83

  1. Ten years of university teaching
  2. Open Source and Public Policy (Video)
  3. Open Source im Blickpunkt der Politik (Video, in German)
  4. Upcoming industry talk on continuous integration / delivery / deployment by Bernard Ramon Ladenthin of IAV GmbH
  5. Single-Vendor Open Source Firms and Intellectual Property Strategies (Video)
  6. Upcoming AMOS Demo Day at IAV’s DigiLab
  7. The First Derivative of Software is Eating the World
  8. Industry best practices for FLOSS governance and component reuse [EuroPLoP 2019]
  9. How to select open source components (Diomidis Spinellis, IEEE Computer)
  10. Open Source is an On-ramp to the Cloud
  11. If Open Data is Like Open Source (20 Years Ago) 5/5: Inner Data
  12. If Open Data is Like Open Source (20 Years Ago) 4/5: Creating and Leading Open Data
  13. If Open Data is Like Open Source (20 Years Ago) 3/5: Contributing to Open Data
  14. If Open Data is Like Open Source (20 Years Ago) 2/5: Using Open Data
  15. If Open Data is Like Open Source (20 Years Ago) 1/5: Definition
  16. Upcoming industry talk on enabling digital transformation via scaling agile in the financial industry by Munir Mahrufi and Liang Que of Deloitte Consulting GmbH
  17. What’s So Bad About the Open Core Model?
  18. Open source is not free (nor is free software)
  19. Getting started with open source governance (Jeff McAffer, IEEE Computer)
  20. Digital sovereignty for Germany?
  21. The Missed Opportunity in Defining Open Source #OpenCoreSummit
  22. Industry best practices for corporate open sourcing [HICSS 2020]
  23. The JDownloader immune system for continuous deployment [HICSS 2020]
  24. What microservices can learn from enterprise information integration [HICSS 2020]
  25. Supporting interview analysis with autocoding [HICSS 2020]
  26. Managing commercial conflicts of interest in open source foundations [ICSOB 2019]
  27. Enabling Open Innovation with Open Data using the JValue Open Data Service
  28. Industry requirements for FLOSS governance tools to facilitate the use of open-source software in commercial products [JSS Journal]
  29. Why Self-Enlightened Contribution to Open Source Projects is Difficult
  30. Open source license compliance⸺Why and how? (Hendrik Schoettle, IEEE Computer)
  31. The Perfect Professor for University Startups
  32. Triple-Licensing Single-Vendor Open Source Components (Illustrated)
  33. On the Danger of Using Email Addresses as Identifying Information (Humor)
  34. Open source license compliance in software supply chains [Book Chapter]
  35. License-Compliant Delivery Seminar and Handbook
  36. Do You Need a Macbook to Learn to Code? (Coding vs. Systems Building)
  37. Why software engineering is not like assembly line work
  38. Getting started with FLOSS governance and compliance in companies [OpenSym 2019]
  39. Solving the Commercial Open Source Licensing Dilemma With Triple-Licensing
  40. Free and open source software licenses explained (Miriam Ballhausen, IEEE Computer)
  41. The Commercial Open Source Pledge
  42. Market Segmentation in the Open Core Model
  43. Agile Methods and the Magic Triangle
  44. Position statement on the use of ML / AI techniques in software engineering for the adesso Hochschulbeirat
  45. From the Bag of Commercial Open Source Tricks: Paying for the Upgrade
  46. How to Convince Your Management of the Need for an Open Source Program Office
  47. Time to Curb Your Open Source Wording
  48. The innovations of open source [Computer Magazine]
  49. Interview on “Why Open Source is Good for Your Economy”
  50. Open Source Expanded (new column)
  51. A Simple Model of the Organizational Support of Open Source Projects
  52. Open Source and Inner Source at IAV (in English)
  53. Translation (to German) of Interview on Open Source in the Public Sector
  54. Why Open Source is Good for Your Economy (FOSSC19 Recap)
  55. Free-to-Use, Unless You Are a Cloud Provider (The New Strategy?)
  56. Why Now? And Who? The Struggle Over Single-Vendor / Open-Core Licensing
  57. Single-Vendor Open Source at the Crossroads (Slides) #lfosls
  58. The Importance of Product Management
  59. CTO vs. VP of Engineering
  60. Escalating levels of complexity in inner source projects
  61. Getting Started With Inner Source
  62. The Footbridge From Ghost in the Shell
  63. The Argument For a Moral Machine in Autonomous Driving
  64. The Argument Against a Moral Machine in Autonomous Driving
  65. ACM Hypertext 2019 in Hof, Germany
  66. Comments on the state of open source in Germany (in German)
  67. Summaries of The AMOS Projects Winter 2018/19
  68. Too many points of failure (at Theranos)
  69. Open source and inner source at IAV (in German)
  70. Why open source is good for your Economy
  71. Stock options case in software product management course at @UniFAU
  72. Scaled Scrum with Deloitte Consulting at IAV in The AMOS Project (WS 2018/19)
  73. The Innovations of Open Source colloquium talk at University of Hamburg
  74. Agile software architecture with N26 at IAV in The AMOS Project (WS 2018/19)
  75. When did @GLS_Ireland lose my parcel?
  76. Why do episodic volunteers stay in FLOSS communities? [ICSE 2019]
  77. Should a public government stay out of the software market? 4/4
  78. Should the public sector consider open source only for new purchases? 3/4
  79. Why did Munich drop Linux and LibreOffice for Microsoft Windows and Office? 2/4
  80. Should The Public Sector Use Open Source Software? 1/4
  81. IAV Presents Side-window Entertainment at CES 2019, a 2017/18 AMOS Project
  82. Reminder of call for papers for 2nd Workshop on Innovative Software Engineering Education at SE 2019
  83. Happy new year, the second amendment, and private messaging

2018 91

  1. What software vendors don’t seem to understand about university teaching
  2. Upcoming talk on ten years of inner source case studies at UC Santa Cruz
  3. Upcoming talk on industry best practices for corporate open source governance of software supply chains at UC Santa Cruz
  4. Agile design thinking with Zalando at IAV in The AMOS Project (WS 2018/19)
  5. My top three trends for open source in 2019 (3/3)
  6. My top three trends for open source in 2019 (2/3)
  7. My top three trends for open source in 2019 (1/3)
  8. Upcoming industry talk on scaled agile to support the “Digital Transformation” in the financial services industry by Munir Mahrufi and Sahar Khaksar of Deloitte Consulting GmbH
  9. Upcoming industry talk on building evolutionary architectures by Patrick Kua of N26 GmbH
  10. Upcoming industry talk on introducing continuous delivery to the SAP ecosystem by Benjamin Heilbrunn of SAP SE
  11. Upcoming Industry Talk on Design Thinking and Agile by Vivekanand Jayakrishnan and Franziska Konnopka of Zalando SE
  12. Scrum’s product vision vs. project mission
  13. How project vs. product confuses agile methods terminology
  14. How Project vs. Product Confuses Open Source Terminology
  15. Looking for examples of open source user consortia
  16. EU survey on open source software and standardization
  17. How UML is actually used (if it is used)
  18. Amazon’s announcement about Corretto and Java’s future
  19. No open-source software allowed in products and services
  20. The cost of designer handbags in Kuala Lumpur
  21. Cargo cult startup incubators
  22. Internal component marketplaces vs. transfer pricing of inner source
  23. How not to refactor your code
  24. On the state of using vs. contributing to open source
  25. Data structures vs. functions in the age of microservices
  26. Open source license compliance in mobile apps
  27. Why I don’t teach a traditional software architecture course (any longer)
  28. Some argue that dual-licensing in commercial open source indicates a lack of ability to provide superior service
  29. The dancing robot dog: Magic trick or real artificial intelligence?
  30. What’s wrong in software product line engineering? The separation of the platform as a cost center from the product units as profit centers
  31. What’s wrong in software product line engineering? Political power play between product units
  32. What’s wrong in software product line engineering? Insufficient collaboration between product and platform unit
  33. What’s wrong in software product line engineering? Lack of resources in the platform organizational unit
  34. Commercial open source in the cloud
  35. Open data: Source of public income or invaluable common good?
  36. Impressions from the Berlin Open Data Day 2018
  37. Best of “As a developer, I want…” student user stories, raw and unfiltered
  38. If GitHub was like Berlin…
  39. Classifying open source user consortia
  40. Clarification of “Why I still teach Scrum”
  41. Uncovering the periphery: A qualitative survey of episodic volunteering in free/libre and open source software communities [TSE Journal]
  42. There is no (Scrum) product owner
  43. Agile feature teams vs. inner source
  44. User experience design in software product lines [HICSS 2019]
  45. Why I still teach Scrum
  46. Paid vs. volunteer open source work in China (projects) 3 / 3
  47. Paid vs. volunteer open source work in China (developers) 2 / 3
  48. Paid vs. volunteer open source work in China 1 / 3
  49. Survey of open source compliance by working group of Bitkom (in German)
  50. Quote for Unicum Beruf on how IT changes your job (in German)
  51. The challenge of product management in commercial open source
  52. The cardinal sin of commercial open source?
  53. German engineering now and then
  54. Microservices vs. inner source
  55. OpenKONSEQUENZ: Offene Software für Netzbetreiber (in German)
  56. Bitkom Forum Open Source 2018 (in German)
  57. How to capture open source user consortia 4/4
  58. The scope of the opportunity 3/4
  59. Does the incorporation type matter to open source foundations? 2/4
  60. The Apache Software Foundation (@TheASF) is missing out 1/4
  61. The 120 seconds open source pitch
  62. Contractions and expansions in organizing software development 2/2
  63. The Meaning of “Digitalization” 1/2
  64. Why you should not let developers scan their code for open source violations 4/4
  65. The challenge of scanning your product code for open source 3/4
  66. Getting started with open source license compliance 2/4
  67. Reasons for why companies are getting serious about open source licenses 1/4
  68. Ten years of inner source case studies (video)
  69. Third time’s the charm: Ten years of inner source case studies
  70. The QDAcity-RE method for structural domain modeling using qualitative data analysis [RE Journal]
  71. CeBIT Forum on “Open Source und Smart Services”
  72. Why are there only two research groups working on inner source?
  73. The fiercer the competition, the more companies open source
  74. Code of conduct for code reviews
  75. Who writes and prioritizes user stories?
  76. Product manager vs. product owner
  77. Professors and startups
  78. But what if someone steals my inner source code?
  79. Slides for keynote at Inner Source Commons Summit at Bosch
  80. Output of a 3D metal printer
  81. FOSS compliance intensive seminar June 14-15th, 2018 in Berlin (in German)
  82. Understanding industry requirements for FLOSS governance tools
  83. Gotta love the pragmatism…
  84. Photo path to berlin-style stealth startup
  85. Impressions from Deutsche Bahn’s Mindbox in Berlin
  86. The patch-flow method for measuring inner source collaboration [MSR 2018]
  87. Summaries of The AMOS Projects Winter 2017/18
  88. Research questions on product management of open source in commercial products
  89. The OpenSym 2018 call for papers is out!
  90. Why don’t companies open source more of their in-house code?
  91. Upcoming industry talk on Agile Architekturentwicklung beim Aufbau einer Cloud-Plattform by Marcus Mennemeier of Actano GmbH

2017 21

  1. Upcoming industry talk on Agile in Research by Carina Haupt of Deutsches Zentrum für Luft- und Raumfahrt (DLR)
  2. Upcoming industry talk on Inside an Agile Transformation of 1000+ Employees by Samir Keck of Zalando
  3. Why companies don’t always free-ride on open source projects
  4. Upcoming industry talk on Continuous Delivery by Thomas Fricke of Endocode
  5. Upcoming industry talk on Richtung Innovation – Scrum und Design Thinking (in German) by Radouane el Marjani of 365farmnet
  6. Upcoming industry talk on Advanced Scrum Master – From Applying Scrum to Understanding Agility by Mario Berger and Martin Wurm of Mister Spex
  7. Call for Papers: 1st Workshop on Innovative Software Engineering Education (ISEE 2018)
  8. Call for Papers: 3rd Workshop on Continuous Software Engineering (CSE 2018)
  9. High-tech and the rights to your body
  10. License clearance in software product governance [Book Chapter]
  11. Favorite (own) open source research publications
  12. Tech troubles of @Seagate backup plus slim
  13. Costs of no or poor open source governance
  14. Register now for Forum Open Source 2017
  15. Open data is moving, slowly but surely
  16. From a student business plan
  17. Entrepreneurship panel at IT-Gipfel Göttingen #itgipfelgoe
  18. Startupinformatik at IT-Gipfel Göttingen #itgipfelgoe
  19. Morning traffic in Silicon Valley
  20. From chat bot to AI (The AMOS Project Winter 2016/17)
  21. Why on earth?! Why product vendors invest in open-source software (upcoming talk, in German)

2016 30

  1. Impressions from installing and configuring the Devolo Home Automation Control Center
  2. Unwrapping and experiences with installing the Devolo Home Automation thermostats
  3. Making introductions for job interviews
  4. Chaos testing (The AMOS Project Summer 2016)
  5. Inner source definition, benefits, and challenges [CSUR Journal]
  6. Platforms but no platform organizations
  7. Invited research talk on inner source at FSE 2016
  8. Putting on their #Gearface (no Google Daydream)
  9. Mitgründer für Startup mit existierenden Kunden gesucht
  10. An example charter for inner source programs [Technical Report]
  11. Competition knows no boundaries #brexit
  12. Re: Your unsolicited email / our joint problem
  13. The humor that is Alexa 2 / 2
  14. The humor that is Alexa 1 / 2
  15. Inner source in platform-based product engineering [TSE Journal]
  16. Using students as a distributed coding team for validation through intercoder agreement [Technical Report]
  17. That new agile delivery terminology
  18. An alternative view of funding for innovation
  19. What’s wrong with Industrie 4.0?
  20. Some progress on Wikipedia editing
  21. Open source collaboration: The other open source innovation (in German)
  22. Upcoming talk on corporate open source governance in Berlin (in German)
  23. I want my computer to be as easy to use as my rice cooker
  24. The looming bubble in Lego bricks
  25. The Internet is eating the things
  26. Software is eating the world auf Deutsch
  27. Farewell, my first-Gen OnePlus
  28. Current open source publications of general interest
  29. Offene Daten und die Deutsche Bahn als Vorbild #opendata #deutschebahn
  30. The design space for object creation

2015 34

  1. Things wrong with my Amazon Echo and Fire tablet
  2. The Frankfurt opera house, criving C programmers crazy since 1972
  3. Wed Nov 19: At Offener IT Gipfel and Hochsprung Award
  4. Call for papers: OpenSym 2016, the 12th International Symposium on Open Collaboration
  5. Call for papers: The 12th international conference on open source systems (OSS 2016)
  6. Einladung zum 2. Offener IT-Gipfel — Offenheit, Innovation & Gesellschaft
  7. Call for papers: Continuous software engineering 2016 (workshop at SE 2016)
  8. Amazon Echo and Skype
  9. Should cars be programmed to make life or death decisions?
  10. Another take on explaining open source business models
  11. Student startup passion vs. market potential
  12. Example login designed to make users go away
  13. Tabs vs. spaces and cause vs. effect
  14. Founders vs. success vs. home-runs
  15. The five stages of open source volunteering [Book Chapter]
  16. Communication in firm-internal global software development with China
  17. Do what you are great at rather than follow your passion?
  18. Inner source in platform-based product engineering [Technical Report]
  19. Best quotes for promoting open source developer career article
  20. Mike Milinkovich on open source consortia @mmilinkov
  21. How open source is changing the software developer’s career [Computer Magazine]
  22. Only four more weeks until OSS 2015!
  23. Favorite story of student entrepreneur ageism
  24. M.B.A.s or engineers for product management?
  25. Where to focus a University incubator
  26. For posteriority and reuse
  27. From developer networks to verified communities: A fine-grained approach [ICSE 2015]
  28. How developers acquire FLOSS skills [OSS 2015]
  29. Improving traceability of requirements through qualitative data analysis [SE 2015]
  30. The Wall Street Journal and Berlin reporting
  31. Public upcoming talks on open source and inner source
  32. Hackathons and 20% time
  33. Should children learn to code?
  34. Sexist ads alive and well in 2015

2014 30

  1. Vortrag zu Open-Source-Geschäftsmodellen auf dem 10ten OSE Symposium, München, 2015-01-23
  2. Call for papers: OpenSym 2015, the 11th International Symposium on Open Collaboration
  3. Which design patterns should be retired? (In defense of singleton)
  4. First thoughts on the 20 year anniversary of the design patterns book (a.k.a. GoF book)
  5. Call for papers (Verlängerung): Deutsche Software-Engineering-Konferenz SE 2015, Software-Engineering-Ideen-Track
  6. Call for papers: The 11th International Conference on Open Source Systems (OSS 2015)
  7. Fine-grained change detection in structured text documents [DocEng 2014]
  8. The impact of germany’s stop of Uber
  9. Aufruf zur Einreichung von Beiträgen für den Software-Engineering-Ideen-Track der SE 2015
  10. Upcoming keynote: The software engineering education tripod: Students, teachers, and industry
  11. Upcoming keynote: Sustainable open source
  12. Open source career 2014 talk slides, photos, and video
  13. IT standards and open source (repeat)
  14. Should you learn to code?
  15. Open source for the energy sector (in German) [ew Magazine]
  16. Erfolgsmethoden der Open-Source-Governance und -Compliance (Best Practices of Open-Source-Governance and -Compliance) [Technical Report]
  17. The smartphone market upset
  18. Talk slides: The open-source software developer career and its benefits
  19. Upcoming talk: Sustainable open source (in German)
  20. Upcoming talk: The open-source software developer career and its benefits
  21. System efficiency vs. fragility
  22. This curious word 3D printing
  23. Assumption about longevity and its consequences
  24. The five stages of open source volunteering [Technical Report]
  25. Upcoming public talks on open source
  26. Call for demos: Future programming workshop
  27. The business of open source user foundations (consortia)
  28. Call for papers: Onward! Essays at SplashCon 2014 in Portland, OR
  29. Talk slides: Paid vs. volunteer work in open source paper
  30. Looking for simple examples of product management failures and challenges

2013 30

  1. Open-Up Camp in Nuremberg February 14-16, 2014 (in German)
  2. Call for Papers: ECOOP 2014, the 28th European Conference on Object-Oriented Programming
  3. Call for Papers: ICSOB 2014, the Fifth International Conference on Software Business
  4. Upcoming talk: Inner source in product line engineering
  5. Open Source Day in Nuremberg
  6. Editorial to special journal issue: The unstoppable rise of open source
  7. Special journal issue: The unstoppable rise of open source
  8. Upcoming talk: Inner source in product line engineering
  9. Call for Papers: OpenSym 2014, the 10th International Symposium on Open Collaboration
  10. Call for Papers: OSS 2014, the 10th International Conference on Open Source Systems
  11. Paid vs. volunteer work in open source [HICSS 2014]
  12. World views are not data inconsistencies
  13. Learning Across Open Collaboration Perspectives
  14. WikiSym + OpenSym 2013 Proceedings Published!
  15. How commercial involvement affects open source projects: Three case studies on issue reporting [Science China Journal]
  16. Design and implementation of wiki content transformations and refactorings [WikiSym 2013]
  17. The empirical commit frequency distribution of open source projects [OpenSym 2013]
  18. Call for proposals: 2nd Open Data Dialog
  19. If Fitbit sales in Germany are sluggish, here is a reason
  20. Call for participation: WikiSym + OpenSym 2013, the 9th International Symposium on Open Collaboration
  21. Current talks as of 2013-06-15
  22. Call for papers: 7th international workshop on foundations and techniques for open-source software certification (OpenCert 2013)
  23. On the technology behind the Wikipedia sexism debate on “American women novelists”
  24. A dual model of open source license growth [OSS 2013]
  25. A model of product features in commercial open-source software [ICSOB 2013]
  26. Call for participation: OC13 – Open Commons Kongress in Linz, Austria, 2013-05-14
  27. Call for papers: PLoP 2013, the International Conference on Pattern Languages of Programs
  28. Upcoming talk: Best of our empirical open source work
  29. Announcing OpenSym 2013, the Open Symposium!
  30. Product management and I know who you are (price discrimination on the web)

2012 18

  1. Looking back on one year of public policy consulting
  2. Planned inner source: Code reuse across profit-center boundaries (in German) [Technical Report]
  3. The commit size distribution of open-source software (summary)
  4. A model of the commit size distribution of open source [SOFSEM 2013]
  5. Software architecture is a (poor) metaphor
  6. Cargo cult public investments?
  7. A model of open source developer foundations [OSS 2012]
  8. Short position paper on open source (in German)
  9. Open source in automotive industry rising
  10. The business of open models
  11. Call for papers: HICSS-46 minitrack on open movements
  12. Tracking and preparing for ECOOP 2012
  13. Agile methods course at Tsinghua University
  14. Startupinformatik
  15. Definition of disruptive technology
  16. Call for papers: WikiSym 2012
  17. Why open source is good for German software businesses
  18. Top-cited research articles on this site

2011 28

  1. Developer Belief vs. Reality: The Case of the Commit Size Distribution [SE 2012]
  2. Business Risks and Governance of Open Source in Software Products (in German) [HMD Journal]
  3. Call for Papers: OSS 2012
  4. Call for Papers: ECOOP 2012
  5. Call for Papers: Software Product Lines (SPLC 2012)
  6. Cloud Computing is not a Business Model
  7. Design and Implementation of the Sweble Wikitext Parser: Unlocking the Structured Data of Wikipedia [WikiSym 2011]
  8. WOM: An Object Model for Wikitext [Technical Report]
  9. On the Open Cloud Principles: Every Real-World Specification is an Underspecification
  10. Controlling and steering open source projects [Computer Magazine]
  11. The Evolution of the Source Forge Home Page
  12. Upcoming Talk: The Open Source Volunteering Process
  13. The Java IP Story
  14. Call for Papers: SoSyM Special Issue on Enterprise Modeling
  15. The Open Source Big Bang
  16. The Open Source Innovation and Commoditization Frontier
  17. Dating Design Patterns Skit Script
  18. New Talk: How and Why IT User Companies Sponsor Open Source
  19. The Parser That Cracked The MediaWiki Code
  20. Open Commons Region Linz is Starting
  21. More Upcoming Talks: Open Source Research
  22. Upcoming Talk, Tsinghua University: Open Source Research
  23. Call for Papers: OSS 2011, the 7th International Conference on Open Source Systems
  24. New German edition of Design Patterns (Entwurfsmuster) book (in German)
  25. Curating, preserving, and showing software at the Computer History Museum
  26. Honoring Peter Naur on the community wall at the Computer History Museum
  27. Call for Papers: WikiSym 2011, the 7th International Symposium on Wikis and Open Collaboration
  28. Lessons Learned from Using Design Patterns in Industry Projects [TPLOP Journal]

2010 30

  1. Micro-Blogging Adoption in the Enterprise: An Empirical Analysis [WI 2011]
  2. The single-vendor commercial open source business model [Book Chapter]
  3. Control points and steering mechanisms in open-source software projects
  4. Upcoming Talk: Steering and Control Mechanisms in Open Source Software Projects (in German)
  5. Revamping German Copyright Law #EIDG
  6. Open Source Business Research at OWF 2010
  7. Open World Forum State of Open Source
  8. MediaWiki and Commercial Open Source Innovation
  9. Call for Papers: ICSE 2011
  10. Upcoming Talk (in German) July 2nd, 2010: Open Source: Was Es Ist, Wie Es Funktioniert, Warum Es Nachhaltig Ist
  11. Call for Papers: ACM CHIMIT 2010
  12. WikiSym 2010 Program Announced!
  13. Linux-Tag Keynote Slides: A New Developer Career
  14. Call For Papers: AOSD 2011 Special Track on Modularity Visions
  15. SPLASH OOPSLA 2010 Technical Research Papers
  16. Public Open Source Talks in June and July 2010
  17. Revised 2010 Stock Open Source Talks
  18. Open Source Software Research Inaugural Lecture at FAU Erlangen-Nürnberg
  19. OpenSAGA and making community open source attractive
  20. Next three public open source talks
  21. Key statements from Marten Mickos’ PARC forum talk
  22. Community open source as the raw material of computing utility providers
  23. Three areas of open source economics
  24. Open source: A new developer career
  25. Next three public open source talks
  26. Call for papers: OOPSLA 2010, expanded scope!
  27. Research positions for CCC’s 2010 future of open source research workshop
  28. Call for open source, dated Dec 12, 1968
  29. The economic case for open source foundations [Computer Magazine]
  30. Workshop on open source, innovation, and entrepreneurship

2009 39

  1. 2010 open source research workshops galore!
  2. Up and coming conference calls for papers
  3. Open source vendor lock-in
  4. Talk slides: Design pattern density defined
  5. OpenOffice.org at Oracle after the Sun acquisition
  6. Why open source is hard for closed source vendors (alpha release)
  7. My open source research agenda (as of 2009)
  8. Professor for Open-Source-Software at University of Erlangen
  9. The commenting practice of open source (completed, for now) [Onward! 2009]
  10. Pre-test survey on what drives enterprise micro-blogging adoption
  11. Talk slides: The commercial open source business model
  12. Design pattern density defined
  13. The intellectual property rights imperative of single-vendor open source
  14. Every license has its time and place
  15. Patterns of effective tweeting and retweeting
  16. Call for papers: Empirical research free/libre open-source software
  17. A Twitter best practice
  18. Commercial open source: The naming confusion remains
  19. Summary and translation of micro-blogging can enhance productivity interview
  20. Micro-blogging in the enterprise can improve productivity
  21. Commercial open source paper appears in LNBIP 36
  22. ICSE 2009 NIER presentation on open source comment density
  23. Is it “use” or “reuse”?
  24. Commercial open source: Faster, better, cheaper, and more easily?
  25. Red Hat on patents and total growth of open source
  26. The commercial open source business model [AMCIS 2009]
  27. Modeling micro-blogging adoption in the enterprise [AMCIS 2009]
  28. Micro-blogging in the enterprise: Focus groups evaluation results
  29. Bringing open source best practices into corporations using a software forge
  30. Call for papers: Onward! 2009
  31. Open collaboration within corporations using software forges [Software Magazine]
  32. Estimating commit sizes efficiently [OSS 2009]
  33. The sweet spot of code commenting in open source
  34. The comment density of open-source software code [ICSE NIER 2009]
  35. My position on privacy (seven things about me)
  36. There is no “donating code to the community”
  37. Call for papers: Fourth workshop on wikis for software engineering
  38. Six easy pieces of quantitatively analyzing open source projects
  39. Organizational design and engineering

2008 55

  1. WikiSym 2009 call for papers (submissions)
  2. Every complex system that works started out as a simple system that worked
  3. Open source labor economics…
  4. Collaboration and knowledge sharing in software development teams (SofTEAM ’09)
  5. How open source comments (by programming language)
  6. The perils of going from community to commercial open source
  7. Capobianco’s OSS 2008 keynote
  8. PLoP proceedings now in ACM Digital Library
  9. The dominance of small code contributions
  10. The commit size distribution of open-source software [HICSS 2009]
  11. Learning from Wikipedia: Open collaboration within corporations
  12. Open collaboration: Self-organizing innovation in large corporations
  13. Open-source software developer careers
  14. The imperfection of search algorithms
  15. End-user programming with application wikis
  16. Interdisciplinary research on wiki communities workshop
  17. Bringing open source best practices into corporations using a software forge
  18. The economic motivation of open-source software: Stakeholder perspectives [Computer Magazine]
  19. A Grammar for Standardized Wiki Markup [WikiSym 2008]
  20. Wikis for software engineering workshop
  21. Open source in the share of wallet wars
  22. Open source businesses and developer careers: Who benefits from open source? How and why?
  23. Successful open source, with little or no agile
  24. Conflict of interest in open source and PostgreSQL replication
  25. Bringing Wikipedia to work: Open collaboration within corporations
  26. Richard P. Gabriel: Photography workshop at OOPSLA 2008
  27. Dave Humphrey: New graduate program on Linux and open source system administration
  28. OSS 2.0: Leveraging the open source community for business
  29. Open source is a business strategy not a business model
  30. Design pattern density and design maturity
  31. FOSSBazaar: Open source under the CIO’s radar screen: Good or bad?
  32. Object-oriented software design documentation
  33. SDN: Is open source competing unfairly?
  34. SE Radio interview on open source business models
  35. Commercial, professional, and community open source: Resolving the naming confusion
  36. International Journal of Open-Source Software & Processes
  37. JUnit 3.8 documented using collaborations [Technical Report]
  38. Ward Cunningham: What if bacteria designed computers?
  39. Addendum to Total Growth of Open Source Paper
  40. Web 2.0 pattern mining workshop
  41. The total growth of open source [OSS 2008]
  42. Global open source trends and public initiatives
  43. WikiSym 2008 call for papers
  44. Continuous integration in open-source software development [OSS 2008]
  45. SDN: Selling services for stock open source components…
  46. SDN: Is there money in open source services?
  47. Onward! 2008 call for papers
  48. Is open source bad for your career?
  49. Towards end-user programming with wikis [WEUSE 2008]
  50. How to benefit from open source
  51. Wiki Creole grammar, schema, transformations made available
  52. An XML interchange format for Wiki Creole 1.0 [Technical Report]
  53. An EBNF grammar for Wiki Creole 1.0 [Technical Report]
  54. Website Reorganization
  55. Hello world!