YARG

YARG (a.k.a. Yet Another Rhythm Game) is a free, open-source, plastic guitar game that is still in development. It supports guitar (five fret), drums (plastic or e-kit), vocals, pro-guitar, and more! 

If you're a developer, artist, or band and are interested in contributing to YARG, feel free to join us on Discord, GitHub, or contact us. We are 100% open source and always welcome anyone who wants to contribute!