head to head · open source
Uptime Kuma vs Logstash
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Logstash has 14,972 stars, 3,503 forks, 2,254 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 522% (93,190 vs 14,972 stars). Uptime Kuma is written in JavaScript under MIT; Logstash is written in Java under a custom or non-standard licence. Uptime Kuma has attracted 9% 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.
← all 20902 open source comparisons
Side by side
| Uptime Kuma | Logstash | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 15K |
| License | MIT | Custom / other |
| Written in | JavaScript | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K 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 Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
read the full Uptime Kuma 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 →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Uptime Kuma or Logstash more popular?
Uptime Kuma has 93,190 GitHub stars and Logstash has 14,972. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Logstash free?
Both are open source. Uptime Kuma is licensed under MIT, and Logstash has no licence declared in this registry. Both are free to self-host.
What is the difference between Uptime Kuma and Logstash?
Uptime Kuma 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, Uptime Kuma or Logstash?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Logstash if its feature set, stack or Custom / other licence fits better. Both are self-hostable.