head to head · open source
Sentry vs logging-log4net
Sentry has 45,704 GitHub stars, 4,959 forks, 2,265 open issues and last shipped yesterday. logging-log4net has 936 stars, 335 forks, 6 open issues and last shipped 2 days ago. Sentry leads on adoption by 4,783% (45,704 vs 936 stars). Sentry is written in Python under a custom or non-standard licence; logging-log4net is written in C# under Apache-2.0. Sentry has attracted 11% as many forks as stars, logging-log4net 36%. Sentry 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
| Sentry | logging-log4net | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 936 |
| License | Custom / other | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 5.0K | ⑂ 335 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 46K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Sentry
Users and logs provide clues. Sentry provides answers. What's Sentry? Sentry is the debugging platform that helps every developer detect, trace, and fix issues. Code breaks, fix it faster. Official Sentry SDKs JavaScript Electron React Native Python Ruby PHP Laravel Go Rust Java/Kotlin Objective C/Swift C\ /F\ C/C++ Dart/Flutter Perl Clojure Elixir Unity Unreal Engine Godot Engine PowerShell Resources Documentation Discussions (Bugs, feature requests, general questions) Discord Contributing Bug Tracker Code Transifex (Translate Sentry\!)
read the full Sentry overview →
About logging-log4net
log4net Introduction Apache log4net is a sub project of the Apache Logging Services project. Apache log4net graduated from the Apache Incubator in February 2007. Web site: Documentation For the latest documentation see the log4net web site at: Extensions log4net.Ext.Mail MailKit based SMTP appender for sending log events via email (recommended replacement for the deprecated SmtpAppender) Contributing log4net development happens on Github and on our mailing list. Please join the mailing list and discuss bigger changes before working on them. For bigger changes we must ask you to sign a Contributor License…
read the full logging-log4net overview →
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Frequently asked questions
Is Sentry or logging-log4net more popular?
Sentry has 45,704 GitHub stars and logging-log4net has 936. Sentry has the larger community by that measure.
Are Sentry and logging-log4net free?
Both are open source. Sentry has no licence declared in this registry, and logging-log4net is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and logging-log4net?
Sentry is written in Python 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, Sentry or logging-log4net?
Choose Sentry if you want the larger community (45,704 stars) or its Custom / other licence terms. Choose logging-log4net if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.