head to head · open source
jaeger vs metrics
jaeger has 23,366 GitHub stars, 3,220 forks, 547 open issues and last shipped yesterday. metrics has 17,365 stars, 2,300 forks, 68 open issues and last shipped 5 months ago. jaeger leads on adoption by 35% (23,366 vs 17,365 stars). jaeger is written in Go under Apache-2.0; metrics is written in JavaScript under MIT. jaeger has attracted 14% as many forks as stars, metrics 13%. jaeger was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| jaeger | metrics | |
|---|---|---|
| GitHub stars | ★ 23K | ★ 17K |
| License | Apache-2.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-05-29 |
| Forks | ⑂ 3.2K | ⑂ 2.3K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jaeger if
- You weight community size — 23K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick metrics if
- You want the metrics feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and metrics fits your workflow better
About jaeger
[![Slack chat][slack img]]( get in touch) [![Unit Tests][ci img]][ci] [![Coverage Status][cov img]][cov] [![Project+Community stats][community badge]][community stats] [![FOSSA Status][fossa img]][fossa] [![OpenSSF Scorecard][openssf img]][openssf] [![OpenSSF Best Practices][openssf bp img]][openssf bp] [![CLOMonitor][clomonitor img]][clomonitor] [![Artifact Hub][artifacthub img]][artifacthub] Jaeger a Distributed Tracing System 💥💥💥 Jaeger v2 is out! Read the blog post and try it out. Quick Start Get Jaeger running in seconds with Docker: For production deployments and more options, see the Getting Started…
read the full jaeger overview →
About metrics
📊 Metrics Generate metrics that can be embedded everywhere, including your GitHub profile readme! Supports users, organizations, and even repositories! For user accounts For organization accounts 🧩 Customizable with 47 plugins and 335 options! 📅 Isometric commit calendar 🈷️ Languages activity Full year calendar Half year calendar Indepth analysis (clone and analyze repositories) Recently used (analyze recent activity events) Default algorithm Default algorithm (with details) ✨ Stargazers 👨💻 Lines of code changed Classic charts Graph charts Worldmap Repositories and diff history Compact display in base…
read the full metrics overview →
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Frequently asked questions
Is jaeger or metrics more popular?
jaeger has 23,366 GitHub stars and metrics has 17,365. jaeger has the larger community by that measure.
Are jaeger and metrics free?
Both are open source. jaeger is licensed under Apache-2.0 and metrics under MIT. Neither carries a licence fee.
What is the difference between jaeger and metrics?
jaeger is written in Go and metrics in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, jaeger or metrics?
Choose jaeger if you want the larger community (23,366 stars) or its Apache-2.0 licence terms. Choose metrics if its feature set, stack or MIT licence fits better. Both are self-hostable.