Video Speed Controller - Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.
Infuse - Media player and media server with subtitles and wide codec support.
Faster Video - Allows manipulation of the playback rate of HTML5 videos
IINA - The modern video player for macOS
Saima - AI-based browser extension for personalized adaptive video speed.
Clappr - An extensible media player for the web