UltraStar Deluxe - A free and open source karaoke game inspired by the Singstar™ game, runs on Windows, Linux and macOS.
Hatsune Miku: Project DIVA F - Hatsune Miku: Project DIVA F is a Fantasy, Rhythm, Music and Single-player video game developed and published by Sega.
Yokee - Karaoke to YouTube videos
Rock Band Rivals - Rock Band Rivals is a Party Music video game created and published by Harmonix Music System.
KaraFun - KaraFun is the best online karaoke. Over 35,000 karaoke songs, with studio quality, at home or on the go. Regular updates. Free demo!
Osu - Osu is Music, Rhythm, Single and Multiplayer video game developed by Dean Herbert.