head to head · open source
hyperframes vs OpenTimelineIO
hyperframes has 68,623 GitHub stars, 6,206 forks, 200 open issues and last shipped yesterday. OpenTimelineIO has 2,032 stars, 360 forks, 211 open issues and last shipped 5 days ago. hyperframes leads on adoption by 3,277% (68,623 vs 2,032 stars). hyperframes is written in TypeScript under Apache-2.0; OpenTimelineIO is written in C++ under Apache-2.0. hyperframes has attracted 9% as many forks as stars, OpenTimelineIO 18%. hyperframes was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (animation), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| hyperframes | OpenTimelineIO | |
|---|---|---|
| GitHub stars | ★ 69K | ★ 2.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-10-21 | 2026-10-17 |
| Forks | ⑂ 6.2K | ⑂ 360 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick hyperframes if
- You weight community size — 69K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick OpenTimelineIO if
- You want the OpenTimelineIO feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and OpenTimelineIO fits your workflow better
About hyperframes
Write HTML. Render video. Built for agents. Quickstart Showcase Playground Catalog Docs Discord HyperFrames is an open source framework for turning HTML, CSS, media, and seekable animations into deterministic MP4 videos. Use it locally with the CLI, from AI coding agents with skills, or as the rendering core behind hosted authoring workflows. Quick Start With an AI coding agent Install the HyperFrames skills, then describe the video you want: The picker opens with nothing pre selected — the Core Skills group is all you need: the /hyperframes router installs each creation workflow on demand. Agents and non…
read the full hyperframes overview →
About OpenTimelineIO
OpenTimelineIO ======= ============== Links Main web site: Documentation: Wiki (more documentation): GitHub: Discussion group Slack channel To join, create an account here first: Presentations DEVELOPMENT STATUS OpenTimelineIO is a mature framework widely deployed across the film and television industries. It is natively supported in most non linear editing applications, and has deep integration in game engines, digital content creation tools and adjacent industries as well. The API for OpenTimelineIO is considered stable, but is still undergoing active development, refinement and bug fixes. Work is underway to…
read the full OpenTimelineIO overview →
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Frequently asked questions
Is hyperframes or OpenTimelineIO more popular?
hyperframes has 68,623 GitHub stars and OpenTimelineIO has 2,032. hyperframes has the larger community by that measure.
Are hyperframes and OpenTimelineIO free?
Both are open source. hyperframes is licensed under Apache-2.0 and OpenTimelineIO under Apache-2.0. Neither carries a licence fee.
What is the difference between hyperframes and OpenTimelineIO?
hyperframes is written in TypeScript and OpenTimelineIO in C++. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, hyperframes or OpenTimelineIO?
Choose hyperframes if you want the larger community (68,623 stars) or its Apache-2.0 licence terms. Choose OpenTimelineIO if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.