jabber server2server verbindungen sollen ab 4.1.2009 gültige ssl-cert benutzen
Psi+ is a cross-platform powerful Jabber client (Qt, C++) designed for the Jabber power users.
psyced, a scalable multi-protocol multi-casting chat, messaging and social server solution to build decentralized chat networks upon, released as open source.
the missing link between rss (=pull) and jabber (=push)
A simple, open, server-to-server web-hook-based pubsub (publish/subscribe) protocol as an extension to Atom. Parties (servers) speaking the PubSubHubbub protocol can get near-instant notifications (via webhook callbacks) when a topic (Atom URL) they're interested in is updated.
real time social browsing - With the SamePlace extension for Firefox, you can enter a virtual place associated with each web page you visit, and meet others who did the same. realised with jabber