head to head · open source
Uptime Kuma vs monoscope
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. monoscope has 1,801 stars, 73 forks, 32 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 4,979% (91,477 vs 1,801 stars). Uptime Kuma is written in JavaScript under MIT; monoscope is written in Haskell under AGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, monoscope 4%. 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 | monoscope | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.8K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Haskell |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 73 |
| 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 monoscope if
- You want the monoscope feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Haskell
- You evaluated both and monoscope 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 monoscope
Monoscope is an open source observability platform written in Haskell and licensed under AGPL 3.0. It ingests and explores logs, traces, and metrics, and stores telemetry in S3 compatible buckets. It supports OpenTelemetry ingestion and can be used as a self hosted or cloud service.
read the full monoscope overview →
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Frequently asked questions
Is Uptime Kuma or monoscope more popular?
Uptime Kuma has 91,477 GitHub stars and monoscope has 1,801. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and monoscope free?
Both are open source. Uptime Kuma is licensed under MIT and monoscope under AGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and monoscope?
Uptime Kuma is written in JavaScript and monoscope in Haskell. 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 monoscope?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose monoscope if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.