head to head · open source
primitives vs mojs
primitives has 19,309 GitHub stars, 1,247 forks, 356 open issues and last shipped 2 months ago. mojs has 18,778 stars, 888 forks, 37 open issues and last shipped 2 months ago. primitives leads on adoption by 3% (19,309 vs 18,778 stars). primitives is written in TypeScript under MIT; mojs is written in CoffeeScript under MIT. primitives has attracted 6% as many forks as stars, mojs 5%. primitives 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
| primitives | mojs | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 19K |
| License | MIT | MIT |
| Written in | TypeScript | CoffeeScript |
| Last push | 2026-08-08 | 2026-07-30 |
| Forks | ⑂ 1.2K | ⑂ 888 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick primitives if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick mojs if
- You want the mojs feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches CoffeeScript
- You evaluated both and mojs fits your workflow better
About primitives
Radix Primitives is an MIT licensed, TypeScript UI component library for React, maintained by WorkOS, that gives teams building design systems and web apps low level components focused on accessibility, customization and developer experience.
read the full primitives overview →
About mojs
mojs is a JavaScript motion graphics library, published on the npm registry as @mojs/core , that gives web developers a declarative API and built in components for animating HTML, shapes, swirls, bursts and staggers on the web.
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Frequently asked questions
Is primitives or mojs more popular?
primitives has 19,309 GitHub stars and mojs has 18,778. primitives has the larger community by that measure.
Are primitives and mojs free?
Both are open source. primitives is licensed under MIT and mojs under MIT. Neither carries a licence fee.
What is the difference between primitives and mojs?
primitives is written in TypeScript and mojs in CoffeeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, primitives or mojs?
Choose primitives if you want the larger community (19,309 stars) or its MIT licence terms. Choose mojs if its feature set, stack or MIT licence fits better. Both are self-hostable.