Other Similar Games
Nothing quite like Performous but there are interesting projects here. Let us know if anything worth a mention is missing.
Singing games:
- UltraStar Deluxe - An open-source clone of SingStar
- KaraokeParty (Flash) - The most popular browser game
- KaraokeGame (Flash) - Has very good pitch detection (similar to Performous)
Guitar/band games:
- Frets on Fire - The original PC guitar game, written in Python and no longer developed
- FoFiX - FoF on steroids, a fork that adds a ton of new features
- Phase Shift (Windows only) - A new band game, using FoF file format