head to head · open source
Sentry vs SysmonTools
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. SysmonTools has 1,670 stars, 208 forks, 1 open issues and last shipped 7 months ago. Sentry leads on adoption by 2,637% (45,704 vs 1,670 stars). Sentry is written in Python under a custom or non-standard licence; SysmonTools is written in TypeScript under GPL-3.0. Sentry has attracted 11% as many forks as stars, SysmonTools 12%. Sentry 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
| Sentry | SysmonTools | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 1.7K |
| License | Custom / other | GPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-04-04 |
| Forks | ⑂ 5.0K | ⑂ 208 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry 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 Sentry or SysmonTools more popular?
Sentry has 45,704 GitHub stars and SysmonTools has 1,670. Sentry has the larger community by that measure.
Are Sentry and SysmonTools free?
Both are open source. Sentry has no licence declared in this registry, and SysmonTools is licensed under GPL-3.0. Both are free to self-host.
What is the difference between Sentry and SysmonTools?
Sentry is written in Python 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, Sentry or SysmonTools?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose SysmonTools if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.