head to head · open source
Uptime Kuma vs amplify-js
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. amplify-js has 9,561 stars, 2,174 forks, 512 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 857% (91,477 vs 9,561 stars). Uptime Kuma is written in JavaScript under MIT; amplify-js is written in TypeScript under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, amplify-js 23%. Uptime Kuma 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
| Uptime Kuma | amplify-js | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 9.6K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 2.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick amplify-js if
- You want the amplify-js feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and amplify-js fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About amplify-js
AWS Amplify is a declarative JavaScript library for frontend and mobile developers who build cloud enabled applications. It lives in the JavaScript and TypeScript ecosystem, published on npm as the aws amplify package under the Apache 2.0 license, and it pairs with any JavaScript based frontend workflow as well as React Native for mobile developers. The project has been developed for roughly nine years and is maintained by AWS, with its documentation hosted at docs.amplify.aws.
read the full amplify-js overview →
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Frequently asked questions
Is Uptime Kuma or amplify-js more popular?
Uptime Kuma has 91,477 GitHub stars and amplify-js has 9,561. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and amplify-js free?
Both are open source. Uptime Kuma is licensed under MIT and amplify-js under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and amplify-js?
Uptime Kuma is written in JavaScript and amplify-js in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Uptime Kuma or amplify-js?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose amplify-js if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.