head to head · open source
Uptime Kuma vs Highlight
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. Highlight has 9,375 stars, 675 forks, 553 open issues and last shipped 29 days ago. Uptime Kuma leads on adoption by 876% (91,477 vs 9,375 stars). Uptime Kuma is written in JavaScript under MIT; Highlight is written in TypeScript under a custom or non-standard licence. Uptime Kuma has attracted 9% as many forks as stars, Highlight 7%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (monitoring, self-hosted), so they are genuine substitutes rather than adjacent tools.
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 | Highlight | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 9.4K |
| License | MIT | Custom / other |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-17 | 2026-08-20 |
| Forks | ⑂ 8.4K | ⑂ 675 |
| 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 Highlight if
- You want the Highlight feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Highlight 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 Highlight
Highlight is an open source, full stack monitoring platform for modern web applications. It lives in the Infrastructure & Operations / Monitoring & Observability ecosystem, and its repository lists TypeScript, Golang, APM, metrics, tracing, and self hosted as topics.
read the full Highlight overview →
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Frequently asked questions
Is Uptime Kuma or Highlight more popular?
Uptime Kuma has 91,477 GitHub stars and Highlight has 9,375. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Highlight free?
Both are open source. Uptime Kuma is licensed under MIT, and Highlight has no licence declared in this registry. Both are free to self-host.
What is the difference between Uptime Kuma and Highlight?
Uptime Kuma is written in JavaScript and Highlight 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 Highlight?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose Highlight if its feature set, stack or Custom / other licence fits better. Both are self-hostable.