Jitsi (from — "wires") is a collection of free and open-source multiplatform voice (VoIP), Video conference and instant messaging applications for the Web platform, Windows, Linux, macOS, iOS, iPadOS, watchOS, 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 Videobridge for allowing web-based multi-party video calling. Later the team added Jitsi Meet, a full video conferencing application that includes web, Android, iOS, iPadOS, and watchOS clients. Jitsi also operates meet.jit.si, a version of Jitsi Meet hosted by Jitsi for free community use. Other projects include: Jigasi, lib-jitsi-meet, Jidesha, and Jitsi.
Jitsi has received support from various institutions such as the NLnet Foundation, the University of Strasbourg and the Region of Alsace, Data Consultancy Services, the European Commission and it has also had multiple participations in the Google Summer of Code program.
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 "" (Copper conductor).
Jitsi introduced the Videobridge 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 Jitsi Videobridge allowing WebRTC calling from the browser. To demonstrate how Jitsi Videobridge could be used as a production service, BlueJimp 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 FOSDEM 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 look and feel, 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 HSQLDB 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 website.
In 2017, jitsi was added as a widget to Element instant messaging client.
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 Desktop is no longer actively maintained by the Jitsi team, but it is still maintained by the community.
Features Jitsi supports multiple , including Windows as well as Unix-like systems such as Linux, Mac OS X and BSD. The mobile apps can be downloaded on the App Store for iOS, iPadOS, and watchOS; and on the Google Play Store and F-Droid platform for Android. It also includes: Jitsi feature list with information on supported protocols
During the COVID-19 pandemic in April 2020, 8x8 reported 10.4 million active users globally per month.
Several organizations and universities have set up their own Jitsi based video conferencing services, among them fairkom with fairmeeting, hosted on a scalable kubernetes cluster in the EU or Goethe University Frankfurt. meet.studiumdigitale.uni-frankfurt.de
The non-profit-organization Digitalcourage discourages in 2023 the usage of the free meet.jit.si service, as it is not free of tracking, requires authentication at either Google, GitHub, or Facebook and is hosted at AWS which is not considered GDPR-compliant. jitsi.org – Authentication on meet.jit.si golem.de – Jitsi Meet fordert Anmeldung Digitale Selbstverteidigung mit Videokonferenzen
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