head to head · open source
motion vs openharness
motion has 33,670 GitHub stars, 1,364 forks, 112 open issues and last shipped 6 days ago. openharness has 529 stars, 50 forks, 40 open issues and last shipped yesterday. motion leads on adoption by 6,265% (33,670 vs 529 stars). motion is written in TypeScript under MIT; openharness is written in C under MIT. motion has attracted 4% as many forks as stars, openharness 9%. openharness was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| motion | openharness | |
|---|---|---|
| GitHub stars | ★ 34K | ★ 529 |
| License | MIT | MIT |
| Written in | TypeScript | C |
| Last push | 2026-09-16 | 2026-09-21 |
| Forks | ⑂ 1.4K | ⑂ 50 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick motion if
- You weight community size — 34K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick openharness if
- You want the openharness feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C
- You evaluated both and openharness fits your workflow better
About motion
Motion is an open source, MIT licensed animation library for React, JavaScript and Vue that provides a simple API and a hybrid engine for 120fps, GPU accelerated animation.
read the full motion overview →
About openharness
OpenHarness is MIT licensed open source software and hardware, written in C, that gives people who build with coding agents one place to run those agents alongside domain tools and live viewers for work beyond software — CAD parts, circuit boards, data analysis, and video.
read the full openharness overview →
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Frequently asked questions
Is motion or openharness more popular?
motion has 33,670 GitHub stars and openharness has 529. motion has the larger community by that measure.
Are motion and openharness free?
Both are open source. motion is licensed under MIT and openharness under MIT. Neither carries a licence fee.
What is the difference between motion and openharness?
motion is written in TypeScript and openharness 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, motion or openharness?
Choose motion if you want the larger community (33,670 stars) or its MIT licence terms. Choose openharness if its feature set, stack or MIT licence fits better. Both are self-hostable.