Show HN: Ossia score – a sequencer for audio-visual artists

Summary

ossia score is a sequencer for audio-visual artists, designed to create interactive shows. Sequence OSC, MIDI, DMX, sound, video and more, between multiple software and hardware. Create interactive and intermedia scores, script and live-code with JavaScript, ISF Shaders, Faust, PureData or C++. Leverage IoT protocols such as CoAP or MQTT, interact with joysticks, Wiimotes, Leapmotions, Web APIs and BLE sensors and integrate programs from a wealth of creative programming languages such as Structure Synth, Context-Free Art and Bytebeat. Load any kind of audio or video format and process visuals through Spout, Syphon, NDI, Shmdata or Sh4lt ; sonify large datasets with CSV and HDF5 support. Free, open source and runs on desktop, mobile, web and embedded, down to Raspberry Pi Zero 2. Read more on https://ossia.io, come ask questions on the forum or hang out in our Discord or Matrix room #ossia_score:gitter.im, we will be happy to help you ! Running ossia score Releases are available for Windows, Linux (via AppImage) and macOS. Windows: install and run. macOS: open the .dmg and drop ossia score.app in Applications. and drop in Applications. Linux: make executable (right click -> permissions or chmod +x ) and run the AppImage. Build status Platform Status AppImage (x86-64 & AArch64) Flatpak (x86-64 & AArch64) Nix ArchLinux, SUSE, Fedora Debian (Bookworm, Trixie) Ubuntu (22.04, 24.04, 24.10) macOS (M1 & Intel) Windows (MSYS2, MSVC 2022) FreeBSD WebAssembly Plug-in templates ossia score uses CppDepend to ensure consistent code quality improvements ; please check it out ! In order to build score, follow the documentation. Packaging status Contributing When updating the score repository through the command line, don't forget to update the submodules, they change often. cd score git pull git submodule update --init --recursive Some useful and easy potential contributions are listed on the website. There are also many fixable areas in the code : TODO : for simple issues. : for s...