head to head · open source
Uptime Kuma vs SysmonTools
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. SysmonTools has 1,669 stars, 208 forks, 1 open issues and last shipped 7 months ago. Uptime Kuma leads on adoption by 5,484% (93,190 vs 1,669 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 12%. 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 | ★ 93K | ★ 1.7K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-04-04 |
| Forks | ⑂ 8.7K | ⑂ 208 |
| 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 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 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 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 —…
read the full SysmonTools overview →
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Frequently asked questions
Is Uptime Kuma or SysmonTools more popular?
Uptime Kuma has 93,190 GitHub stars and SysmonTools has 1,669. 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 (93,190 stars) or its MIT licence terms. Choose SysmonTools if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.