Theatre.js
Apache-2.0 motion design editor for the web
Graphics & 3D / Animation · Apache-2.0 · 12.8k
Reviewed 2026-09-06 · last push 2024-08-14 · repo checked 2026-10-19
What's Good
Apache-2.0. Studio UI plus runtime, sequence editing for web animation stacks.
The Catch
Core repo quiet since mid-2024 - still used, watch maintenance. Distinct from Threlte and Rive/Lottie authored runtimes.
Verdict
Apache-2.0 web motion studio. Free forever.
Embed
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Markdown
[](https://stackgems.com/gems/theatre-js)
HTML
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