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.
Platform(s)
GNU/Linux
macOS
Windows
Software type
ALSA
JACK
Software language
C++
Software features
Modular
LV2 host
Step/grid sequencer
MIDI
OSC
Synthesis
Audio input
Audio FX
License
GPL-3
Developer(s)
Jean-Michaël Celerier (jcelerier)
Announcements
| Recent releases | Release Date |
|---|---|
| Ossia Score 3.8.2 | 29 Mar '26 |
| Ossia Score 3.8.1 | 25 Mar '26 |
| Ossia Score 3.8.0 | 4 Feb '26 |
| Ossia Score 3.7.1 | 22 Sep '25 |
| Ossia Score 3.7.0 | 20 Sep '25 |
| Ossia Score 3.6.1 | 12 Aug '25 |
| Ossia Score 3.6.0 | 7 Aug '25 |
| Ossia Score 3.5.3 | 7 Jul '25 |
| Ossia Score 3.5.2 | 6 May '25 |
| Ossia Score 3.1.10 | 9 Jun '23 |