head to head · open source
Uptime Kuma vs swift-metrics
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. swift-metrics has 795 stars, 81 forks, 8 open issues and last shipped 9 days ago. Uptime Kuma leads on adoption by 11,409% (91,498 vs 795 stars). Uptime Kuma is written in JavaScript under MIT; swift-metrics is written in Swift under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, swift-metrics 10%. 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 | swift-metrics | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 795 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Swift |
| Last push | 2026-09-18 | 2026-09-10 |
| Forks | ⑂ 8.4K | ⑂ 81 |
| 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 swift-metrics if
- You want the swift-metrics feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and swift-metrics 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 swift-metrics
SwiftMetrics is the Apache 2.0 metrics API package for Swift, a shared abstraction that lets server side and cross platform Swift applications emit metrics for observability through whichever backend an application owner selects rather than tying emission code to a single library.
read the full swift-metrics overview →
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Frequently asked questions
Is Uptime Kuma or swift-metrics more popular?
Uptime Kuma has 91,498 GitHub stars and swift-metrics has 795. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and swift-metrics free?
Both are open source. Uptime Kuma is licensed under MIT and swift-metrics under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and swift-metrics?
Uptime Kuma is written in JavaScript and swift-metrics in Swift. 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 swift-metrics?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose swift-metrics if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.