head to head · open source
SigNoz vs loongsuite-go
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. loongsuite-go has 907 stars, 131 forks, 30 open issues and last shipped 17 days ago. SigNoz leads on adoption by 3,486% (32,525 vs 907 stars). SigNoz is written in TypeScript under a custom or non-standard licence; loongsuite-go is written in Go under Apache-2.0. SigNoz has attracted 8% as many forks as stars, loongsuite-go 14%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (apm, go, metrics, 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 | loongsuite-go | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 907 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-10-19 |
| Forks | ⑂ 2.6K | ⑂ 131 |
| 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 loongsuite-go if
- You want the loongsuite-go feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and loongsuite-go 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 loongsuite-go
Loongsuite Go Agent provides an automatic solution for Golang applications that want to leverage OpenTelemetry to enable effective observability. No code changes are required in the target application, the instrumentation is done at compile time. Simply adding otel prefix to go build to get started :rocket: Installation [!IMPORTANT] Requires Go 1.25 or newer. loongsuite go pins OpenTelemetry v1.45.0, and the OTel modules declare go 1.25.0 from v1.42.0 onward. Since the tool injects those modules into the application it instruments, both the tool and the instrumented application need Go 1.25+. See compatibility…
read the full loongsuite-go overview →
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Frequently asked questions
Is SigNoz or loongsuite-go more popular?
SigNoz has 32,525 GitHub stars and loongsuite-go has 907. SigNoz has the larger community by that measure.
Are SigNoz and loongsuite-go free?
Both are open source. SigNoz has no licence declared in this registry, and loongsuite-go is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and loongsuite-go?
SigNoz is written in TypeScript and loongsuite-go in Go. 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 loongsuite-go?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose loongsuite-go if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.