head to head · open source
SigNoz vs qtap
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. qtap has 1,465 stars, 57 forks, 8 open issues and last shipped 2 days ago. SigNoz leads on adoption by 2,120% (32,525 vs 1,465 stars). SigNoz is written in TypeScript under a custom or non-standard licence; qtap is written in C under Apache-2.0. SigNoz has attracted 8% as many forks as stars, qtap 4%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (go, 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 | qtap | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.5K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | C |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 57 |
| 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 qtap if
- You want the qtap feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C
- You evaluated both and qtap 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 qtap
An eBPF agent that captures traffic flowing through the Linux kernel. By attaching to TLS/SSL functions, data is intercepted before and after encryption and then passed to flexible plugins with full visibility along with all of the available context process/container/host/user/protocol/etc. Qtap makes it possible to understand what's happening with your egress traffic, without modifying apps, installing proxies, or managing certs. Qtap shows you exactly what data is being sent and received in its original, unencrypted form while operating out of band with minimal overhead, without adding latency or disrupting…
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 qtap more popular?
SigNoz has 32,525 GitHub stars and qtap has 1,465. SigNoz has the larger community by that measure.
Are SigNoz and qtap free?
Both are open source. SigNoz has no licence declared in this registry, and qtap is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and qtap?
SigNoz is written in TypeScript and qtap 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 qtap?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose qtap if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.