OBS-MIDI
Use MIDI devices to trigger events in OBS and visa versa.
Status -- 
Installing
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Grab the installer from the OBS-Midi Releases Page
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Download and run the installer for your OS
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Launch OBS
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The Configuration is under Tools-> OBS Midi Settings
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Select your controller, hit configure, Toggle a button and fader, remap it to an action and hit save!
Currently runs on Windows and Linux, and is partly tested on MAC
Special thanks to the following projects
- RTMidi17 An amazing modernized RTMIDI library
- OBSWebsocket from which much code was borrowed for interfacing with OBS
- Midi2OBS Where I got my start playing with this