head to head · open source
SigNoz vs fsmon
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. fsmon has 1,032 stars, 162 forks, 21 open issues and last shipped 7 months ago. SigNoz leads on adoption by 3,052% (32,525 vs 1,032 stars). SigNoz is written in TypeScript under a custom or non-standard licence; fsmon is written in C under MIT. SigNoz has attracted 8% as many forks as stars, fsmon 16%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| SigNoz | fsmon | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.0K |
| License | Custom / other | MIT |
| Written in | TypeScript | C |
| Last push | 2026-11-04 | 2026-04-11 |
| Forks | ⑂ 2.6K | ⑂ 162 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 33K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick fsmon if
- You want the fsmon feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C
- You evaluated both and fsmon fits your workflow better
About SigNoz
中文 · Deutsch · Português SigNoz is an open source observability platform built on OpenTelemetry. We’re building an enterprise grade alternative to fragmented monitoring stacks, with logs, metrics, traces, alerts, and dashboards in one place. Choose how to run SigNoz SigNoz Cloud (Recommended) Fully managed SigNoz with a 30 day free trial, no credit card required, usage based pricing that starts at $49, and regional data hosting. Start free → Enterprise Enterprise Cloud, BYOC, or Enterprise Self Hosted with compliance, support, custom retention, RBAC, ingestion controls, data residency, and region selection…
read the full SigNoz overview →
About fsmon
fsmon Low level filesystem monitor utility for Linux, Android, iOS and macOS. Author : pancake @ nowsecure License : MIT Designed for System administrators and incident responders Security researchers and forensic analysts Developers debugging I/O heavy applications Reverse engineers interested in observing filesystem access behavior Installation On macOS you can now install it via brew with these commands: Alternatively just run make or pick the builds from the release page. Usage The tool retrieves file system events from a specific directory and shows them in colorful format or in JSON. It is possible to…
read the full fsmon overview →
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Frequently asked questions
Is SigNoz or fsmon more popular?
SigNoz has 32,525 GitHub stars and fsmon has 1,032. SigNoz has the larger community by that measure.
Are SigNoz and fsmon free?
Both are open source. SigNoz has no licence declared in this registry, and fsmon is licensed under MIT. Both are free to self-host.
What is the difference between SigNoz and fsmon?
SigNoz is written in TypeScript and fsmon in C. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, SigNoz or fsmon?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose fsmon if its feature set, stack or MIT licence fits better. Both are self-hostable.