head to head · open source
SigNoz vs opentelemetry-cpp
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. opentelemetry-cpp has 1,390 stars, 660 forks, 290 open issues and last shipped yesterday. SigNoz leads on adoption by 2,240% (32,525 vs 1,390 stars). SigNoz is written in TypeScript under a custom or non-standard licence; opentelemetry-cpp is written in C++ under Apache-2.0. SigNoz has attracted 8% as many forks as stars, opentelemetry-cpp 47%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (distributed-tracing, metrics), 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 | opentelemetry-cpp | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 1.4K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | C++ |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 2.6K | ⑂ 660 |
| 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 opentelemetry-cpp if
- You want the opentelemetry-cpp 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 opentelemetry-cpp 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 opentelemetry-cpp
OpenTelemetry C++ The C++ OpenTelemetry client. Project Status Stable across all 3 signals i.e. Logs , Metrics , and Traces . See Spec Compliance Matrix to understand which portions of the specification has been implemented in this repo. Supported C++ Versions Code shipped from this repository generally supports the following versions of C++ standards: ISO/IEC 14882:2014 (C++14) ISO/IEC 14882:2017 (C++17) ISO/IEC 14882:2020 (C++20) ISO/IEC 14882:2024 (C++23) Any exceptions to this are noted in the individual README.md files. Please note that supporting the C Programming Language) is not a goal of the current…
read the full opentelemetry-cpp overview →
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Frequently asked questions
Is SigNoz or opentelemetry-cpp more popular?
SigNoz has 32,525 GitHub stars and opentelemetry-cpp has 1,390. SigNoz has the larger community by that measure.
Are SigNoz and opentelemetry-cpp free?
Both are open source. SigNoz has no licence declared in this registry, and opentelemetry-cpp is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and opentelemetry-cpp?
SigNoz is written in TypeScript and opentelemetry-cpp 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 opentelemetry-cpp?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose opentelemetry-cpp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.