head to head · open source
Uptime Kuma vs logging-log4j2
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. logging-log4j2 has 3,640 stars, 1,759 forks, 212 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 2,460% (93,190 vs 3,640 stars). Uptime Kuma is written in JavaScript under MIT; logging-log4j2 is written in Java under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, logging-log4j2 48%. Uptime Kuma 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
| Uptime Kuma | logging-log4j2 | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 3.6K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 1.8K |
| 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 logging-log4j2 if
- You want the logging-log4j2 feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and logging-log4j2 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…
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About logging-log4j2
//// Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the…
read the full logging-log4j2 overview →
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Frequently asked questions
Is Uptime Kuma or logging-log4j2 more popular?
Uptime Kuma has 93,190 GitHub stars and logging-log4j2 has 3,640. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and logging-log4j2 free?
Both are open source. Uptime Kuma is licensed under MIT and logging-log4j2 under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and logging-log4j2?
Uptime Kuma is written in JavaScript and logging-log4j2 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 logging-log4j2?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose logging-log4j2 if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.