Jamulus enables musicians to perform in real-time together over the internet. A Jamulus server collects the incoming audio data from each Jamulus client, mixes that data and then sends that mix back to each client. Jamulus can support large numbers of clients with minimal latency and modest bandwidth requirements.
Jamulus is free and open source software (FOSS) licensed under the GPL and runs under Windows (ASIO or JACK), MacOS (Core Audio) and Linux (JACK). It is based on the Qt framework and uses the OPUS audio codec.
Please see the Getting Started page containing instructions for installing and using Jamulus for your platform.
Official documentation for Jamulus is on the Jamulus homepage
See also the discussion forums. If you have issues, feel free to ask for help there.
Bugs and feature requests can be reported here
See the contributing instructions
Jamulus contains code from different sources (see also COPYING). The developers wish to thank the maintainers of these projects for making their efforts available to us under their respective licences:
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Qt cross-platform application framework: http://www.qt.io
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Opus Interactive Audio Codec: http://www.opus-codec.org
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Audio reverberation code: by Perry R. Cook and Gary P. Scavone, 1995 - 2004 (taken from "The Synthesis ToolKit in C++ (STK)"): http://ccrma.stanford.edu/software/stk
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Some pixmaps are from the Open Clip Art Library (OCAL): http://openclipart.org
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Country flag icons from Mark James: http://www.famfamfam.com
We would also like to acknowledge the contributors listed in the Github Contributors list.