All plugins now have their separate repos, check them here: https://github.com/topics/harmony-plugin
Plugins for Harmony
All Harmony's plugins are open-sourced.
Feel free to use them as example to create your own plugins
Documentation for creating plugins is available here.
Install a plugin
Auto-install: Open Harmony's settings, and simply copy-paste the raw .js file url in Harmony then hit install.
Manual install: Simply put the .js in:
~/Library/Application Support/Harmony/Plugins/on macOS