head to head · open source
Uptime Kuma vs logging-log4net
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. logging-log4net has 934 stars, 333 forks, 6 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 9,696% (91,498 vs 934 stars). Uptime Kuma is written in JavaScript under MIT; logging-log4net is written in C# under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, logging-log4net 36%. 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-log4net | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 934 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | C# |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 333 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K 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-log4net if
- You want the logging-log4net feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and logging-log4net fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About logging-log4net
Apache log4net is a versatile, feature rich logging API and backend for .NET, distributed as the NuGet package log4net and developed as a subproject of the Apache Logging Services project — a fit for .NET developers and platform teams that need a stable, Apache licensed logging library rather than a commercial or single vendor offering.
read the full logging-log4net overview →
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Frequently asked questions
Is Uptime Kuma or logging-log4net more popular?
Uptime Kuma has 91,498 GitHub stars and logging-log4net has 934. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and logging-log4net free?
Both are open source. Uptime Kuma is licensed under MIT and logging-log4net under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and logging-log4net?
Uptime Kuma is written in JavaScript and logging-log4net in C#. 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-log4net?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose logging-log4net if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.