head to head · open source
primitives vs lemo-opuscar
primitives has 19,396 GitHub stars, 1,268 forks, 356 open issues and last shipped yesterday. lemo-opuscar has 2,380 stars, 250 forks, 0 open issues and last shipped 2 days ago. primitives leads on adoption by 715% (19,396 vs 2,380 stars). primitives is written in TypeScript under MIT; lemo-opuscar is written in JavaScript under MIT. primitives has attracted 7% as many forks as stars, lemo-opuscar 11%. 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.
← all 20902 open source comparisons
Side by side
| primitives | lemo-opuscar | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 2.4K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-10-14 | 2026-10-13 |
| Forks | ⑂ 1.3K | ⑂ 250 |
| 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 lemo-opuscar if
- You want the lemo-opuscar feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and lemo-opuscar 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 lemo-opuscar
Lemo Opuscar is an MIT licensed Claude Code skill that turns a coding agent into a film director, shipping 43 film styles — each with a reusable style prompt and a demo short film made entirely in code — for developers, designers and creative coders who want finished video without a video model.
read the full lemo-opuscar overview →
More in Miscellaneous
Related comparisons
More Design & Prototyping projects
Compare either of these against the rest of the Design & Prototyping field.
Frequently asked questions
Is primitives or lemo-opuscar more popular?
primitives has 19,396 GitHub stars and lemo-opuscar has 2,380. primitives has the larger community by that measure.
Are primitives and lemo-opuscar free?
Both are open source. primitives is licensed under MIT and lemo-opuscar under MIT. Neither carries a licence fee.
What is the difference between primitives and lemo-opuscar?
primitives is written in TypeScript and lemo-opuscar in JavaScript. 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 lemo-opuscar?
Choose primitives if you want the larger community (19,396 stars) or its MIT licence terms. Choose lemo-opuscar if its feature set, stack or MIT licence fits better. Both are self-hostable.