head to head · open source
SigNoz vs 0xtools
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. 0xtools has 1,820 stars, 134 forks, 17 open issues and last shipped 10 months ago. SigNoz leads on adoption by 1,666% (32,146 vs 1,820 stars). SigNoz is written in TypeScript under a custom or non-standard licence; 0xtools is written in Python under GPL-2.0. SigNoz has attracted 8% as many forks as stars, 0xtools 7%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (observability), 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.
← all 20902 open source comparisons
Side by side
| SigNoz | 0xtools | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 1.8K |
| License | Custom / other | GPL-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-20 | 2025-11-25 |
| Forks | ⑂ 2.5K | ⑂ 134 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K 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 0xtools if
- You want the 0xtools feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches Python
- You evaluated both and 0xtools fits your workflow better
About SigNoz
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About 0xtools
0x.Tools is a GPL 2.0 Linux performance and observability toolkit, listed in this registry as Python, that gives engineers an X ray view of what every thread on a running system is actually doing, from kernel space up.
read the full 0xtools overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is SigNoz or 0xtools more popular?
SigNoz has 32,146 GitHub stars and 0xtools has 1,820. SigNoz has the larger community by that measure.
Are SigNoz and 0xtools free?
Both are open source. SigNoz has no licence declared in this registry, and 0xtools is licensed under GPL-2.0. Both are free to self-host.
What is the difference between SigNoz and 0xtools?
SigNoz is written in TypeScript and 0xtools in Python. 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 0xtools?
Choose SigNoz if you want the larger community (32,146 stars) or its Custom / other licence terms. Choose 0xtools if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.