SIP Communicator
Open Source VoIP & IM

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 instant messaging and telephony protocols such as SIP, Jabber, AIM/ICQ, MSN, Yahoo! Messenger, Bonjour, IRC, RSS and soon others like IAX.

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

RESOURCES: The SIP Communicator FAQ can usually answer most questions. You can also ask on the users mailing list, or at the irc channel #sip-communicator at irc.freenode.net.

Note: Right now the SIP Communicator is still a work in progress and as such is still unstable. If you would like to help or follow project progress check the Project Roadmap or join our Mailing Lists. You can also have a look at the SIP Communicator screenshots

2008.03.20 - SIP Communicator in Google Summer of Code 2008

SIP Communicator has been accepted for the second year as a mentoring organization for the 2008 edition of Google Summer of Code! So, if you want to write open source this summer, instead of working on the local gas station hurry up and pick up one of our summer of code projects. Deadline was extended until Monday, April 7, 2008!