harvestr

One username in, every video they've posted out. Archive mode: 50+ sites via yt-dlp + 25 custom scrapers (YouTube, Twitch, Pornhub, XVideos, Coomer, Kemono, RedGifs, X.com, Reddit, cam mirrors). Live recording: StripChat, Chaturbate, CamSoda, 19 cam sites. Web UI, dedup, drift detection. Maintained by KevinStreetCoder on GitHub, where it has earned 34 stars from the community.

It's actively developed around archival, ffmpeg, flask, and is a solid reference for anyone building with these tools.