head to head · open source
lottie-ios vs ux-ui-agent-skills
lottie-ios has 26,887 GitHub stars, 3,838 forks, 44 open issues and last shipped 9 days ago. ux-ui-agent-skills has 1,481 stars, 157 forks, 6 open issues and last shipped 12 days ago. lottie-ios leads on adoption by 1,715% (26,887 vs 1,481 stars). lottie-ios is written in Swift under Apache-2.0; ux-ui-agent-skills is written in JavaScript under MIT. lottie-ios has attracted 14% as many forks as stars, ux-ui-agent-skills 11%. lottie-ios 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
| lottie-ios | ux-ui-agent-skills | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 1.5K |
| License | Apache-2.0 | MIT |
| Written in | Swift | JavaScript |
| Last push | 2026-09-19 | 2026-09-16 |
| Forks | ⑂ 3.8K | ⑂ 157 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lottie-ios if
- You weight community size — 27K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Swift
- You value the larger contributor base for long-term maintenance
pick ux-ui-agent-skills if
- You want the ux-ui-agent-skills feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and ux-ui-agent-skills fits your workflow better
About lottie-ios
Lottie for iOS is an Apache 2.0 Swift library that natively renders After Effects and bodymovin JSON vector animations in realtime on iOS, macOS, tvOS, and visionOS, and it is aimed at Apple platform developers who want to ship designer authored motion without rebuilding it by hand in code.
read the full lottie-ios overview →
About ux-ui-agent-skills
ux ui agent skills is an MIT licensed kit of structured instructions, design tokens, runnable skills and 138 brand grade design systems that turns Claude into a senior design architect, aimed at product engineers, design system maintainers and design to code teams who need accessible, token driven interface output generated inside their own project.
read the full ux-ui-agent-skills overview →
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Frequently asked questions
Is lottie-ios or ux-ui-agent-skills more popular?
lottie-ios has 26,887 GitHub stars and ux-ui-agent-skills has 1,481. lottie-ios has the larger community by that measure.
Are lottie-ios and ux-ui-agent-skills free?
Both are open source. lottie-ios is licensed under Apache-2.0 and ux-ui-agent-skills under MIT. Neither carries a licence fee.
What is the difference between lottie-ios and ux-ui-agent-skills?
lottie-ios is written in Swift and ux-ui-agent-skills 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, lottie-ios or ux-ui-agent-skills?
Choose lottie-ios if you want the larger community (26,887 stars) or its Apache-2.0 licence terms. Choose ux-ui-agent-skills if its feature set, stack or MIT licence fits better. Both are self-hostable.