SIP Communicator - the Java VoIP and Instant Messaging client.

SIP Communicator is an audio/video Internet phone and instant messenger that supports some of the most popular VoIP and instant messaging protocols such as SIP, Jabber, AIM/ICQ, MSN, Yahoo! Messenger, Bonjour, IRC and a whole lot of other useful features.

SIP Communicator is completely Open Source / Free Software, and is freely available under the terms of the GNU Lesser General Public License.

Extensible Messaging and Presence Protocol

Extensible Messaging and Presence Protocol (qu'on peut traduire par « protocole extensible de présence et de messagerie »), souvent abrégé en XMPP, est un ensemble de protocoles standards ouverts de l’Internet Engineering Task Force (IETF) pour la messagerie instantanée, et plus généralement une architecture décentralisée d’échange de données. XMPP est également un système de collaboration en quasi-temps-réel et d’échange multimédia via le protocole Jingle, dont la Voix sur réseau IP (téléphonie sur Internet), la visioconférence et l’échange de fichiers sont des exemples d’applications.

Public switched telephone network

is the network of the world's public circuit-switched telephone networks. It is a worldwide network of telephone lines, fiberoptic cables, microwave transmission links, cellular networks, communications satellites, and undersea telephone cables connected by switching centers, which allows any telephone in the world to communicate with any other. Originally a network of fixed-line analog telephone systems, the PSTN is now almost entirely digital in its core and includes mobile as well as fixed telephones.

(PSTN)

WeTab presents the first tablet with open operating system MeeGo

Working intensively with Intel, we have developed the WeTab OS with MeeGo to meet the requirements of a tablet user in the best way possible. The tablet runs extremely fast

The Web-browser plays a special role here and is based on the free HTML rendering engine WebKit, enabling fast and unrestricted surfing enjoyment including HTML5, Adobe Flash® and Java™.

Welcome to ProcessLibrary.com The unique and indispensable process listing database Uniblue's free and comprehensive online library of processes is for everyone who needs to know the exact nature and purpose of every process that should, and should not, be running on their PC.

open-source social networking project Diaspora

if the team is half as good at building software as it is at building hype, there might be something interesting in the upcoming release, and maybe even a viable business.

The big challenge is that the enterprise developer world isn't screaming out for an open-source Facebook, nor are consumers really looking to run their own instances of social networks. What they really want is for Facebook to take privacy more seriously