Jitsi is a collection of free and open-source multiplatform voice (VoIP), videoconferencing and instant messaging applications for the web platform, Windows, Linux, Mac OS X and Android. The Jitsi project began with the Jitsi Desktop (previously known as SIP Communicator). With the growth of WebRTC, the project team focus shifted to the Jitsi Video Bridge for allowing web-based multi-party video calling. Later the team added Jitsi Meet, a full video conferencing application that includes a web, Android, and iOS clients. Jitsi also operates meet.jit.si, a version of Jitsi Meet its hosts for free community use. Other projects include; Jigasi, lib-jitsi-meet, Jidesha, and Jitsi.
|Original author(s)||Emil Ivov|
|Stable release||2.10 (build.5550) (February 5, 2017[±])|
|Preview release||2.11 (nightly) [±]|
|Operating system||Linux, Mac OS X, Windows (all Java supported)|
|Size||52.4 MB – Windows (bundles its own private JRE) |
78.8 MB – Mac OS X (includes private JRE)
22 MB – Linux
65 MB – source code
|Available in||Asturian, English, French, German, Bulgarian, Japanese, Spanish, Italian, Romanian, Greek and 25 more|
|Type||Voice over IP, instant messaging, videoconferencing|
|License||Apache License 2.0|
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.
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.
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 XMPP’s Jingle extensions, the project was renamed to Jitsi since it was no longer "a SIP only Communicator". This name originates from the Bulgarian "жици" (wires).
Jitsi introduced the Video Bridge in 2013 to support multiparty video calling with its Jitsi clients using a new Selective Forwarding Unit (SFU) architecture. Later that year initial support was added to the JitsiVideobridge allowing WebRTC calling from the browser. To demonstrate how JitsiVideobridge could be used as a production service, BlueJump offered a free use of its hosted system at meet.jit.si.
On November 4, 2014, "Jitsi + Ostel" scored 6 out of 7 points on the Electronic Frontier Foundation's secure messaging scorecard. They lost a point because there has not been a recent independent code audit.
On February 1, 2015, Hristo Terezov, Ingo Bauersachs and the rest of the team released version 2.6 from their stand at the Free and Open Source Software Developers' European Meeting 2015 event in Brussels. This release includes security fixes, removes support of the deprecated MSN protocol, along with SSLv3 in XMPP. Among other notable improvements, the OS X version bundles a Java 8 runtime, enables echo cancelling by default, and uses the CoreAudio subsystem. The Linux build addresses font issues with the GTK+ native LookAndFeel, and fixes some long standing issues about microphone level on call setup when using the PulseAudio sound system. This release also adds the embedded Java database Hyper SQL Database to improve performance for users with huge configuration files, a feature which is disabled by default. A full list of changes is available on the project web site.
Atlassian acquired BlueJimp on April 5, 2015. After the acquisition, the new Jitsi team under Atlassian ceased meaningful new development work on the Jitsi Desktop project and expanded its efforts on projects related to the Jitsi Videobridge and Jitsi Meet. Regular contributions from the open source community have maintained the Jitsi Desktop project. Jitsi is fully funded by 8x8.
Primary Projects of JitsiEdit
The Jitsi open source repository on Github currently contains 73 repositories. The major projects include:
- Jitsi Meet – video conferencing server designed for quick installation on Debian/Ubuntu servers
- JitsiVideobridge – WebRTC Selective Forwarding Unit engine for powering multi-party conferences
- Jigasi - server-side application that links allows regular SIP clients to join JitMeet conferences hosted by JitsiVideobridge.
- Jidesha – a Chrome and Firefox extension for Jitsi Meet
- Jitsi – an audio, video, and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, and IRC
Features of Jitsi Meet
- Encrypted communication and
- No need of new software installation 
It is a video conferencing solution supporting the WebRTC that allows multiuser video communication. It is SFU and only forwards the selected streams to other participating users in the video conference call, therefore, CPU horsepower is not that critical for the performance.
Jitsi spawned some sister projects such as the Jitsi Video Bridge Selective Forwarding Unit (SFU) and Jitsi Meet, a video and web conferencing application. To prevent confusion with the growing popularity with these other Jitsi projects, the Jitsi client application was rebranded as Jitsi Desktop.
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 supports multiple operating systems, including Windows as well as Unix-like systems such as Linux, Mac OS X and BSD. "Beta" packages built for Android are available but the project's roadmap describes the porting to Android as "on hold". It also includes:
- Attended and blind call transfer
- Auto away
- Auto re-connect
- Auto answer and Auto Forward
- Call recording
- Call encryption with SRTP and ZRTP
- Conference calls
- Direct media connection establishment with the ICE protocol
- Desktop Streaming
- Encrypted password storage using a master password
- File transfer for XMPP, AIM/ICQ, Windows Live Messenger, YIM
- Instant messaging encryption with OTR (end-to-end encrypted)
- IPv6 support for SIP and XMPP
- Media relaying with the TURN protocol
- Message Waiting Indication (RFC 3842)
- Voice and video calls for SIP and XMPP using H.264 and H.263 or VP8 for video encoding
- Wideband audio with SILK, G.722, Speex and Opus
- DTMF support with SIP INFO, RTP (RFC 2833/RFC 4733), In-band
- Zeroconf via mDNS/DNS-SD (à la Apple's Bonjour)
- Group video support (Jitsi Videobridge)
- Packet loss concealment with the SILK and Opus codecs
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- "Index of /jitsi/macosx". Download.jitsi.org. Retrieved 2015-02-01.
- "Index of /jitsi/src". Download.jitsi.org. Retrieved 2015-02-01.
- "jitsi/jitsi". GitHub. Retrieved 16 April 2018.
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- "SIP Communicator: Interview with Emil Ivov". Gulli.com. Retrieved 2013-06-08.
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- "Atlassian's HipChat gets group video chats". TechCrunch. Retrieved 2018-07-20.
- "Secure Messaging Scorecard. Which apps and tools actually keep your messages safe?". Electronic Frontier Foundation. 2014-11-04.
- "Jitsi 2.6 release notice on the Jitsi-users mailing list". Jitsi.org. Retrieved 2015-02-01.
- "Jitsi build 5390 release notes". Jitsi.org. Retrieved 2015-02-01.
- Spencer, Leon. "Atlassian acquires video conferencing company Blue Jimp | ZDNet". ZDNet. Retrieved 2018-07-20.
- "Atlassian Launches Group Video Conferencing for HipChat". PCMAG. Retrieved 2018-07-20.
- "Atlassian acquires Blue Jimp & Jitsi.org - Atlassian Blog". Atlassian Blog. 2015-04-22. Retrieved 2018-07-21.
- "Jitsi". GitHub. Retrieved 2018-07-21.
- "How to Create Your Own Video Conference Server using Jitsi Meet on Ubuntu 18.04 LTS". www.howtoforge.com. Retrieved 2018-07-23.
- "Top Ten VoIP Apps For Consumers | VoIP Review". VoIP Review. 2018-01-28. Retrieved 2018-07-23.
- "Jitsi Meet | Me and my Shadow". myshadow.org. Retrieved 2018-08-06.
- Dimitris, Kanellopoulos (2015-08-14). Emerging Research on Networked Multimedia Communication Systems. IGI Global. ISBN 9781466688513.
- "jitsi/jitsi-videobridge". GitHub. Retrieved 2018-07-23.
- Ivov, Emil; Noël, Thomas (2004). "Optimizing SIP Application Layer Mobility over IPv6 Using Layer 2 Triggers" (PDF). Emcho.com. Retrieved 2013-06-08.
- "NEMO Basic Support, Multi-Domiciliation et Découverte de Services" (in French). Lsiit-cnrs.unistra.fr. Archived from the original on 2011-07-17. Retrieved 2013-06-08.
- "Jitsi (SIP Communicator) Android - Nightly Builds Index". Jitsi.org. Retrieved 2014-11-15.
- "Roadmap". Jitsi.org. Retrieved 2013-12-17.
- Jitsi feature list with information on supported protocols
- "Jitsi changelog". Jitsi.org.
- "News". Jitsi. Retrieved 2013-06-08.
- "Jitsi: firstname.lastname@example.org: Archive — Project Kenai". Java.net. Retrieved 2013-06-08.
- "opus-codec.org". opus-codec.org. Retrieved 2013-06-08.