head to head · open source
SigNoz vs swift-metrics
SigNoz has 32,525 GitHub stars, 2,576 forks, 1,557 open issues and last shipped yesterday. swift-metrics has 798 stars, 83 forks, 8 open issues and last shipped 8 days ago. SigNoz leads on adoption by 3,976% (32,525 vs 798 stars). SigNoz is written in TypeScript under a custom or non-standard licence; swift-metrics is written in Swift under Apache-2.0. SigNoz has attracted 8% as many forks as stars, swift-metrics 10%. SigNoz was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | swift-metrics | |
|---|---|---|
| GitHub stars | ★ 33K | ★ 798 |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | Swift |
| Last push | 2026-11-04 | 2026-10-28 |
| Forks | ⑂ 2.6K | ⑂ 83 |
| 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 swift-metrics if
- You want the swift-metrics feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and swift-metrics 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 swift-metrics
SwiftMetrics A Metrics API package for Swift. Almost all production server software needs to emit metrics information for observability. Because it's unlikely that all parties can agree on one specific metrics backend implementation, this API is designed to establish a standard that can be implemented by various metrics libraries which then post the metrics data to backends like Prometheus, Graphite, publish over statsd, write to disk, etc. This is the beginning of a community driven open source project actively seeking contributions, be it code, documentation, or ideas. Apart from contributing to SwiftMetrics…
read the full swift-metrics overview →
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Frequently asked questions
Is SigNoz or swift-metrics more popular?
SigNoz has 32,525 GitHub stars and swift-metrics has 798. SigNoz has the larger community by that measure.
Are SigNoz and swift-metrics free?
Both are open source. SigNoz has no licence declared in this registry, and swift-metrics is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SigNoz and swift-metrics?
SigNoz is written in TypeScript and swift-metrics in Swift. 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 swift-metrics?
Choose SigNoz if you want the larger community (32,525 stars) or its Custom / other licence terms. Choose swift-metrics if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.