head to head · open source
SigNoz vs loongsuite-go
SigNoz has 32,146 GitHub stars, 2,497 forks, 1,557 open issues and last shipped today. loongsuite-go has 902 stars, 124 forks, 30 open issues and last shipped 20 days ago. SigNoz leads on adoption by 3,464% (32,146 vs 902 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 | ★ 32K | ★ 902 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-09-20 | 2026-08-31 |
| Forks | ⑂ 2.5K | ⑂ 124 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SigNoz if
- You weight community size — 32K 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
SigNoz is an open source, OpenTelemetry native observability platform for cloud native applications. It unifies logs, metrics, traces, alerts, and dashboards into a single tool, replacing fragmented monitoring stacks with a correlated signal pipeline. It lives in the observability ecosystem alongside tools like Prometheus, Jaeger, and Grafana, and is positioned as an open alternative to Datadog.
read the full SigNoz overview →
About loongsuite-go
loongsuite go is an Apache 2.0 licensed compile time instrumentation agent that adds OpenTelemetry tracing and metrics to Go applications without requiring any source code changes, and it is built for Go teams that need observability across services they would rather not modify by hand.
read the full loongsuite-go overview →
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Frequently asked questions
Is SigNoz or loongsuite-go more popular?
SigNoz has 32,146 GitHub stars and loongsuite-go has 902. 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 (32,146 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.