head to head · open source
Uptime Kuma vs skydive
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. skydive has 2,798 stars, 414 forks, 119 open issues and last shipped 12 months ago. Uptime Kuma leads on adoption by 3,170% (91,498 vs 2,798 stars). Uptime Kuma is written in JavaScript under MIT; skydive is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, skydive 15%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), 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 | skydive | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 2.8K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2025-09-19 |
| Forks | ⑂ 8.4K | ⑂ 414 |
| 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 skydive if
- You want the skydive feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and skydive 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 skydive
Skydive Skydive is an open source real time network topology and protocols analyzer. It aims to provide a comprehensive way of understanding what is happening in the network infrastructure. Skydive agents collect topology information and flows and forward them to a central agent for further analysis. All the information is stored in an Elasticsearch database. Skydive is SDN agnostic but provides SDN drivers in order to enhance the topology and flows information. Key features Captures network topology and flows Full history of network topology and flows Distributed Ability to follow a flow along a path in the topo…
read the full skydive overview →
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Frequently asked questions
Is Uptime Kuma or skydive more popular?
Uptime Kuma has 91,498 GitHub stars and skydive has 2,798. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and skydive free?
Both are open source. Uptime Kuma is licensed under MIT and skydive under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and skydive?
Uptime Kuma is written in JavaScript and skydive in Go. 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 skydive?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose skydive if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.