head to head · open source
SigNoz vs tapir
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. tapir has 1,476 stars, 473 forks, 173 open issues and last shipped 3 days ago. SigNoz leads on adoption by 2,104% (32,525 vs 1,476 stars). SigNoz is written in TypeScript under a custom or non-standard licence; tapir is written in Scala under Apache-2.0. SigNoz has attracted 8% as many forks as stars, tapir 32%. 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 | tapir | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.5K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Scala |
| Last push | 2026-11-04 | 2026-11-02 |
| Forks | ⑂ 2.6K | ⑂ 473 |
| 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 tapir if
- You want the tapir feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Scala
- You evaluated both and tapir 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 tapir
Welcome! Intro Tapir is a library to describe HTTP APIs, expose them as a server, consume as a client, and automatically document using open standards. Tapir is fast and developer friendly. The endpoint definition APIs are crafted with readability and discoverability in mind. Our Netty based server is one of the best performing Scala HTTP servers available. Tapir integrates with all major Scala stacks, so you can use your favorite approach to Functional Programming, while leveraging all the benefits that Tapir brings! Seamless integration with the Scala and HTTP ecosystems is one of Tapir's major strengths: all…
read the full tapir overview →
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Frequently asked questions
Is SigNoz or tapir more popular?
SigNoz has 32,525 GitHub stars and tapir has 1,476. SigNoz has the larger community by that measure.
Are SigNoz and tapir free?
Both are open source. SigNoz has no licence declared in this registry, and tapir is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and tapir?
SigNoz is written in TypeScript and tapir in Scala. 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 tapir?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose tapir if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.