head to head · open source
SigNoz vs 0xtools
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. 0xtools has 1,826 stars, 134 forks, 17 open issues and last shipped 12 months ago. SigNoz leads on adoption by 1,681% (32,525 vs 1,826 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.
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Side by side
| SigNoz | 0xtools | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.8K |
| License | Custom / other | GPL-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-04 | 2025-11-25 |
| Forks | ⑂ 2.6K | ⑂ 134 |
| 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 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
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 0xtools
xCapture v3.0.3 By Tanel Poder 2025 10 23 This is the first ever release of 0x.tools xCapture tool that is built with modern eBPF ! My previous tools and prototypes were using either bcc , bpftrace or were just sampling and aggregating thread level info from /proc files. Announcing xCapture v3: Linux Performance Analysis with Modern eBPF and DuckDB xtop: Dimensional Performance Analysis of Sampled Thread Activity Requirements Modern eBPF means libbpf , CORE , BTF , BPF iterators , etc. I'll write about my learning journey with proper thank you notes soon. In practice this means you'll need to be on a Linux…
read the full 0xtools overview →
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Frequently asked questions
Is SigNoz or 0xtools more popular?
SigNoz has 32,525 GitHub stars and 0xtools has 1,826. 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 (32,525 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.