Jitsi Original author(s) Emil Ivov Developer(s) Jitsi Team and Contributors Initial release 2003(2003) Stable release 2.4 (build.4997) (January7, 2014; 3 months ago(2014-01-07))  Preview release 2.5 (nightly)  Development status Active Written in Java Operating system Linux, Mac OS X, Windows (all Java supported) Size 33 MB Windows 23MB Mac OS X 16MB GNU/Linux 60MB source code Available in Asturian, English, French, German, Bulgarian, Japanese, Spanish, Italian, Romanian, Greek and 25 more Type Voice over Internet Protocol / instant messaging / videoconferencing License LGPL Website jitsi.org
Jitsi (formerly SIP Communicator) is a free and open source multiplatformvoice (VoIP), videoconferencing and instant messaging application for Windows, Linux and Mac OS X. It supports several popular instant messaging and telephony protocols, including open recognised encryption protocols for chat (OTR) and voice/video/streaming and voice/video conferencing (SIP/RTP/SRTP/ZRTP), as well as built-in IPv6, NAT traversal and DNSSEC. Jitsi and its source code are released under the terms of the LGPL.
Work on Jitsi (then SIP Communicator) started in 2003 in the context of a student project by Emil Ivov at the University of Strasbourg. It was originally released as an example video phone in the JAIN-SIP stack and later spun off as a standalone project.
Originally the project was mostly used as an experimentation tool because of its support for IPv6. Through the years, as the project gathered members, it also added support for protocols other than SIP.
Jitsi has received support from various institutions such as the NLnet Foundation, the University of Strasbourg and the Region of Alsace and it has also had multiple participations in the Google Summer of Code program.
In 2009, Emil Ivov founded the BlueJimp company which has employed some of Jitsi’s main contributors in order to offer professional support and development services related to the project.
In 2011, after successfully adding support for Audio/Video communication over XMPPs Jingle extensions, the project was renamed to Jitsi since it was no longer “a SIP only Communicator”. This name originates from the Bulgarian “” (wires).
Jitsi supports multiple operating systems, including Windows as well as Unix-like systems such as GNU/Linux, Mac OS X and BSD. An Android version is planned for Q2 2014. It also includes:
The following protocols are currently supported by Jitsi:
Jitsi is mostly written in Java which helps reuse most of the same code over the various operating systems it works on. Its GUI is based upon Swing. The project also uses native code for the implementation of platform specific tasks such as audio/video capture and rendering, IP address selection, and access to native popup notification systems such as Growl.
Jitsi – Wikipedia, the free encyclopedia