The Curious Engineer

All blogs / Networking

Daniel Gultsch

gultsch.de

I’ve been a freelance software developer for over 15 years. My main interests lie in open standards and communication protocols, including instant messaging, email, and the fediverse. I’m the project lead for Conversations and Ltt.rs. Occasionally, I also dabble in security research and regularly sp

NetworkingMobile / iOS / AndroidSecurity

’15’20’25
Posts
15 from 14 Jul 2014 to 24 Sep 2026
Posting
now and then (5 in the last year)
Kind
personal blog
Feed
https://gultsch.de/index.xml

2026 5

  1. Breaking Up with Google Play: Why Conversations Is Now Free
  2. Jabber/XMPP: How Do We Gain Traction?
  3. Jabber/XMPP: 25 Years of Digital Independence
  4. Self-hosting UnifiedPush with Conversations as Distributor
  5. Sending Jabber/XMPP Messages via HTTP

2019 2

  1. Multiple Vulnerabilities found in Dino
  2. A pathway to a well regulated instant messaging market

2018 3

  1. Here lies the Sliding Pane Layout. RIP
  2. The rocky road to OMEMO by default
  3. Converse.js leaking information about which rooms are bookmarked

2016 3

  1. An Objection to ‘The ecosystem is moving’
  2. Blind Trust Before Verification
  3. The State of Mobile XMPP in 2016

2015 1

  1. Gajim Roster Push Attack / Message Interception

2014 1

  1. Conversations: A Mission Statement