Active

• youtube-dl - The original project
• yt-dlp - This project!
• nicolaasjan/yt-dlp - Unofficial yt-dlp builds for Windows 7/XP

Inactive

• yt-dlc/youtube-dlc - yt-dlp was forked from this
• weeb-dl - Mostly Merged into yt-dlp
• haruhi-dl - Partially merged into yt-dlp

Automated releases

• yt-dlp nightly
• youtube-dl nightly