head to head · open source
Uptime Kuma vs SysmonTools
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. SysmonTools has 1,662 stars, 209 forks, 1 open issues and last shipped 6 months ago. Uptime Kuma leads on adoption by 5,405% (91,498 vs 1,662 stars). Uptime Kuma is written in JavaScript under MIT; SysmonTools is written in TypeScript under GPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, SysmonTools 13%. 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 | SysmonTools | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.7K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-18 | 2026-04-04 |
| Forks | ⑂ 8.4K | ⑂ 209 |
| 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 SysmonTools if
- You want the SysmonTools feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and SysmonTools 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 SysmonTools
Sysmon Tools A collection of utilities for analyzing, visualizing, and managing Microsoft Sysmon logs — designed for security analysts, DFIR specialists, and threat hunters. What's New in v2.0 Sysmon View has been rewritten from the ground up as a fully open source desktop application — a long requested change by the community. Built with Electron + React + TypeScript , the entire codebase is now open and free of commercial dependencies. Key improvements: Modern dark themed UI with a streamlined analyst workflow Interactive session diagrams with freedom to move and arrange nodes Collapsible nodes — collapse/expan…
read the full SysmonTools overview →
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Frequently asked questions
Is Uptime Kuma or SysmonTools more popular?
Uptime Kuma has 91,498 GitHub stars and SysmonTools has 1,662. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and SysmonTools free?
Both are open source. Uptime Kuma is licensed under MIT and SysmonTools under GPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and SysmonTools?
Uptime Kuma is written in JavaScript and SysmonTools in TypeScript. 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 SysmonTools?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose SysmonTools if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.