Talks & Presentations

2026
- UnifiedPush, CLT 2026
  event page, recording, slides
- XMPP - XEP-0202: Entity Time, IETF 125
  recording, slides
- UnifiedPush - Push notifications. Decentralized and Open Source, FOSDEM 2026
  event page, recording, slides
2025
- UnifiedPush, MRMCD 2025
  event page, recording, slides
- UnifiedPush, Datenspuren
  event page, recording, recording (mirror), slides
2024
- Intro to Ltt.rs: A JMAP client for Android, FOSDEM 2024
  event page, recording, slides
2023
- Der Angriff auf jabber.ru, XMPP Meetup Berlin
  recording, slides
2021
- Intro to JMAP: A spiritual successor to IMAP & Submission, XMPP Happy Hour
  recording, slides
2020
- Jingle & WebRTC: An introduction to audio/video calls with XMPP, XMPP Meetup Berlin
  recording, slides
2019
- The state of the XMPP Community, FrOSCon 2019
  event page, recording, slides
- XMPP for developers, XMPP Meetup Dresden
  slides
- Regulierung von Instant Messengern, PrivacyWeek Wien
  event page (archive.org), recording, slides
- JMAP & Ltt.rs, 36C3
  recording, slides
2018
- Open Source darf auch was kosten – vom Hobby zum Beruf, CLT 2018
  event page, recording, slides
- Federated Instant Messaging with Jabber/XMPP, FOSSASIA 2018
  event page, recording, slides
- The Ecosystem is Moving, Varia
  event page, slides
- Open Source darf auch was kosten, FrOSCon 2018
  event page,recording, slides
- Copying WhatsApp the right way, Datengarten
  event page, recording, recording (mirror), slides
2017
- Jabber/XMPP: Instant Messaging selber in die Hand nehmen, MRMCD 2017
  event page, recording
- The Past, The Presence & The Future, 34C3
  recording, slides
2016
- Settling the IM war, FrOCSCon 2016
  event page, recording
- Beenden wir den Krieg der Instant Messenger, Datenspuren 2016
  event page,recording
2015
- XMPP 2015 - challenges of modern day instant messaging, FrOSCon 2015
  event page, recording
2009
- Verteiltes Suchen – Ein aktueller Überblick, CLT 2009
  event page