head to head · open source
Uptime Kuma vs Logfire
Uptime Kuma has 91,578 GitHub stars, 8,441 forks, 805 open issues and last shipped today. Logfire has 4,480 stars, 289 forks, 191 open issues and last shipped today. Uptime Kuma leads on adoption by 1,944% (91,578 vs 4,480 stars). Uptime Kuma is written in JavaScript under MIT; Logfire is written in Python under MIT. Uptime Kuma has attracted 9% as many forks as stars, Logfire 6%. Logfire 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 | Logfire | |
|---|---|---|
| GitHub stars | ★ 92K | ★ 4.5K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 8.4K | ⑂ 289 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 92K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Logfire if
- You want the Logfire feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Logfire 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 Logfire
Pydantic Logfire is an observability platform for Python applications, with a focus on AI systems, LLM apps, and agents. The project lives in the Python and OpenTelemetry ecosystem. The repository contains the MIT licensed Python SDK and documentation, while the server application for recording and displaying data is closed source.
read the full Logfire overview →
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Frequently asked questions
Is Uptime Kuma or Logfire more popular?
Uptime Kuma has 91,578 GitHub stars and Logfire has 4,480. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Logfire free?
Both are open source. Uptime Kuma is licensed under MIT and Logfire under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and Logfire?
Uptime Kuma is written in JavaScript and Logfire in Python. 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 Logfire?
Choose Uptime Kuma if you want the larger community (91,578 stars) or its MIT licence terms. Choose Logfire if its feature set, stack or MIT licence fits better. Both are self-hostable.