・Streaming Video Player
FreeTube
https://freetubeapp.io/

・Flash Movie Player
CleanFlash
https://gitlab.com/cleanflash/installer

・Music Player
foobar2000
https://www.foobar2000.org/
AIMP
https://www.aimp.ru/

・Radio Player
らじれこ
https://dogaradi.123net.jp/dl-radirec/