vincentsch/explainroo
Explainer videos and product demos made by your AI agent. Free and open source: a local voice (Kokoro), word timing (Whisper) and a canvas renderer turn a script into a narrated MP4.
About the project
A local tool for making explainer videos and product demos: an agent writes script.md and scenes.js, while Kokoro, Whisper and a canvas renderer produce a narrated MP4.
Useful for
- Make a 60-second explainer video on a topic via Claude Code or Codex
- Build a product demo with screens, cursor clicks and typed input
- Check scene layout and speech recognition before exporting the MP4
README summarized by DeepSeek V4.1 Flash. Details may be inaccurate.
Why it’s trending
- 230 stars so far today, about 321 expected by the end of the day.
- The spike has held for 2 days in a row — not a one-off blip.
- The repository is 6 days old and already has 225 stars. With less than two weeks of history, there's no usual pace to compare the spike against yet.
- Top new repositories this week: #54.
- Hacker News: “Show HN: Explainroo, Open Source Framework to Make Explainer Videos with Claude” — 5 points, 1 day ago.
Stars per day
Bars are daily stars, the line is the usual pace. Red marks spike days.
Numbers
- Total stars
- 225
- Today
- 230 · ≈ 321 by evening
- Forks
- 3
- Issues and pull requests
- 0
- Watchers
- 0
- Language
- JavaScript
- License
- MIT
- Latest release
- v0.1.0 · September 30, 2026
- Created
- September 25, 2026
- Last push
- October 1, 2026
Star trust
Growth looks organic: forks and discussion are in line with active projects, and stars arrive unevenly, the way people give them.
These are heuristics, not a verdict: we judge by the repository’s behavior, not by a list of stargazers.
Hacker News discussions
- Show HN: Explainroo, Open Source Framework to Make Explainer Videos with Claude5 points, September 30, 2026
Spotted in
- October 1, 2026Top new repositories this week: #54
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README badge
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