Yokee - Karaoke to YouTube videos
Swish - Insanely great window management
UltraStar Deluxe - A free and open source karaoke game inspired by the Singstar™ game, runs on Windows, Linux and macOS.
Starters - Hacker news for sports tech
Karaoke 5 - karaoke 5 software - Excellent Player and Creator of file Karaoke. Karaoke. Professional karaoke program. Free karaoke program.
Sporfie - Capture personal sports highlights without filming.