head to head · open source
SigNoz vs pup
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. pup has 1,040 stars, 138 forks, 12 open issues and last shipped 2 days ago. SigNoz leads on adoption by 3,027% (32,525 vs 1,040 stars). SigNoz is written in TypeScript under a custom or non-standard licence; pup is written in Rust under Apache-2.0. SigNoz has attracted 8% as many forks as stars, pup 13%. 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 | pup | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.0K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Rust |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.6K | ⑂ 138 |
| 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 pup if
- You want the pup feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and pup 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 pup
:dog2: Give Your Agent a Puppy: Introducing Pup CLI Every AI agent needs a loyal companion. Meet Pup — the CLI that gives your agents full access to Datadog's observability platform (because even autonomous agents need good tooling, not just tricks). What is Pup? A comprehensive, AI agent ready CLI covering a wide range of Datadog product domains. We've unleashed the full power of Datadog's APIs so your agents can fetch metrics, sniff out errors, and track down issues without barking up the wrong API tree. AI agents are the fastest growing interface for infrastructure management. Companies like Vercel and AWS…
More in Infrastructure & Operations
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Frequently asked questions
Is SigNoz or pup more popular?
SigNoz has 32,525 GitHub stars and pup has 1,040. SigNoz has the larger community by that measure.
Are SigNoz and pup free?
Both are open source. SigNoz has no licence declared in this registry, and pup is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and pup?
SigNoz is written in TypeScript and pup in Rust. 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 pup?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose pup if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.