castor alternatives (video tools)
castor is an open-source video tools project written in Go with 2,202 stars on GitHub. Below are the closest alternatives in the same category — every entry with a live profile in the hub.
castor on GitHub ↗ · Full castor profile →
Whatever you record, edit or capture with castor, Whipscribe transcribes the audio track into an accurate, speaker-labeled transcript with SRT/VTT captions — 100+ languages, secured private cloud. About $2 per audio hour, with a free instant preview.
Transcribe a file →← Back to castor · All video tools →
Frequently asked
What is castor?
castor is an open-source video tools project written in Go with 2,202 stars on GitHub. The authors describe it as: “Point it at any web page and it finds the video, extracts the stream, transcodes it and casts in real time to your TV. It even burns subtitles….”
Is castor free?
castor is open source — free to use; check its license for redistribution terms.
What are the best castor alternatives?
The closest alternatives in the same category include FFmpeg, remotion, iina, lossless-cut, cobalt — each has a live profile with facts and its own alternatives list on this hub.
How were these castor alternatives chosen?
By category match, ranked consumer-first then by GitHub activity for open-source projects — live facts, no pay-for-placement.