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# Music

- **[Canta](../canta.md)** (Python, GPL-3.0, beta, inactive since 2011)
- **[Etterna](../etterna.md)** (C, C++, Lua, MIT, beta)
- **[Frets on Fire X](../frets_on_fire_x.md)** (Python, GPL-2.0, mature)
- **[Frets on Fire](../frets_on_fire.md)** (Python, GPL-2.0, mature, inactive since 2008)
- **[OpenITG](../openitg.md)** (C, C++, MIT, beta, inactive since 2017)
- **[osu!](../osu.md)** (C#, MIT, beta)
- **[Performous](../performous.md)** (C, C++, GPL-2.0, mature)
- **[PianOli](../pianoli.md)** (Java, GPL-3.0, mature)
- **[PyKaraoke](../pykaraoke.md)** (Python, LGPL-2.1, beta, inactive since 2011)
- **[Sinatra](../sinatra.md)** (C, GPL-3.0, mature, inactive since 2008)
- **[StepMania](../stepmania.md)** (C, C++, Lua, MIT, mature)
- **[Transcend](../transcend.md)** (C++, ?, beta, inactive since 2005)
- **[UltraStar Deluxe](../ultrastar_deluxe.md)** (Pascal, GPL-2.0, mature)
- **[Vocaluxe](../vocaluxe.md)** (C#, C++, GPL-3.0, beta, inactive since 2018)