Ossia Score is a free, open-source, cross-platform intermedia sequencer for precise and flexible scripting of interactive scenarios. Control and score any OSC-compliant software or hardware: Max/MSP, PureData, openFrameworks, Processing, and more.

Software type
ALSA
JACK
Platform
GNU/Linux
macOS
Windows
Software features
Modular
LV2 host
Step/grid sequencer
MIDI
OSC
Synthesis
Audio input
Audio FX
Software language
C++
License
GPL-3
Developer(s)
Jean-Michaƫl Celerier (jcelerier)

Recent releases Release Date
Ossia Score 3.0.9 21 May '22
Ossia Score 3.0.8 19 Apr '22
Ossia Score 3.0.7 18 Apr '22
Ossia Score 3.0.0-rc7 29 Dec '21
Ossia Score 3.0.0-rc6 10 Dec '21
Ossia Score 3.0.0-rc5 30 Nov '21
Ossia Score 3.0.0-rc4 25 Nov '21
Ossia Score 3.0.0-rc3 20 Nov '21
Ossia Score 3.0.0-rc1 30 Sep '21
Ossia Score 3.0.0-b9 25 Sep '21