head to head · open source
Uptime Kuma vs Vector
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Vector has 22,785 stars, 2,369 forks, 2,512 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 309% (93,190 vs 22,785 stars). Uptime Kuma is written in JavaScript under MIT; Vector is written in Rust under MPL-2.0. Uptime Kuma has attracted 9% as many forks as stars, Vector 10%. Vector 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 | Vector | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 23K |
| License | MIT | MPL-2.0 |
| Written in | JavaScript | Rust |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 2.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Vector if
- You want the Vector feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches Rust
- You evaluated both and Vector fits your workflow better
About Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
read the full Uptime Kuma overview →
About Vector
Quickstart • Docs • Guides • Integrations • Chat • Download • Container Images • Rust Crate Docs What is Vector? Vector is a high performance, end to end (agent & aggregator) observability data pipeline that puts you in control of your observability data. [Collect][docs.sources], [transform][docs.transforms], and [route][docs.sinks] all your logs and metrics to any vendors you want today and any other vendors you may want tomorrow. Vector enables dramatic cost reduction, novel data enrichment, and data security where you need it, not where it is most convenient for your…
read the full Vector overview →
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Frequently asked questions
Is Uptime Kuma or Vector more popular?
Uptime Kuma has 93,190 GitHub stars and Vector has 22,785. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Vector free?
Both are open source. Uptime Kuma is licensed under MIT and Vector under MPL-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and Vector?
Uptime Kuma is written in JavaScript and Vector in Rust. 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 Vector?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Vector if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.