head to head · open source
metrics vs Logstash
metrics has 17,365 GitHub stars, 2,300 forks, 68 open issues and last shipped 5 months ago. Logstash has 14,972 stars, 3,503 forks, 2,254 open issues and last shipped yesterday. metrics leads on adoption by 16% (17,365 vs 14,972 stars). metrics is written in JavaScript under MIT; Logstash is written in Java under a custom or non-standard licence. metrics has attracted 13% as many forks as stars, Logstash 23%. Logstash 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
| metrics | Logstash | |
|---|---|---|
| GitHub stars | ★ 17K | ★ 15K |
| License | MIT | Custom / other |
| Written in | JavaScript | Java |
| Last push | 2026-05-29 | 2026-11-02 |
| Forks | ⑂ 2.3K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick metrics if
- You weight community size — 17K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Logstash if
- You want the Logstash feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Java
- You evaluated both and Logstash fits your workflow better
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 →
About Logstash
Logstash Logstash is part of the Elastic Stack along with Beats, Elasticsearch and Kibana. Logstash is a server side data processing pipeline that ingests data from a multitude of sources simultaneously, transforms it, and then sends it to your favorite "stash." (Ours is Elasticsearch, naturally.). Logstash has over 200 plugins, and you can write your own very easily as well. For more info, see Documentation and Getting Started You can find the documentation and getting started guides for Logstash on the elastic.co site For information about building the documentation, see the README in Downloads You can…
read the full Logstash overview →
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Frequently asked questions
Is metrics or Logstash more popular?
metrics has 17,365 GitHub stars and Logstash has 14,972. metrics has the larger community by that measure.
Are metrics and Logstash free?
Both are open source. metrics is licensed under MIT, and Logstash has no licence declared in this registry. Both are free to self-host.
What is the difference between metrics and Logstash?
metrics is written in JavaScript and Logstash in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, metrics or Logstash?
Choose metrics if you want the larger community (17,365 stars) or its MIT licence terms. Choose Logstash if its feature set, stack or Custom / other licence fits better. Both are self-hostable.