head to head · open source
monolog vs opensre
monolog has 21,406 GitHub stars, 1,910 forks, 3 open issues and last shipped 9 days ago. opensre has 11,103 stars, 1,617 forks, 67 open issues and last shipped yesterday. monolog leads on adoption by 93% (21,406 vs 11,103 stars). monolog is written in PHP under MIT; opensre is written in Python under Apache-2.0. monolog has attracted 9% as many forks as stars, opensre 15%. opensre 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
| monolog | opensre | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 11K |
| License | MIT | Apache-2.0 |
| Written in | PHP | Python |
| Last push | 2026-09-09 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick monolog if
- You weight community size — 21K stars and counting
- You want the MIT license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick opensre if
- You want the opensre feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and opensre fits your workflow better
About monolog
Monolog is a logging library for PHP that sends log records to files, sockets, inboxes, databases, and various web services. It ships with the handlers, formatters, and processors needed to route records where they belong, and special handlers allow more advanced logging strategies than a single output stream. The library lives in the PHP ecosystem and is distributed through Packagist as monolog/monolog . It is released under the MIT license and has been developed for sixteen years, with more than twenty one thousand stars and roughly nineteen hundred forks on GitHub.
read the full monolog overview →
About opensre
OpenSRE is an open source Python framework for building AI SRE agents, distributed under the Apache 2.0 license. It lives in the infrastructure and operations ecosystem, specifically the monitoring and observability space, and it describes itself as the toolkit for AI era site reliability engineering. The project is currently at v0.1 and is published as a public alpha, meaning the core workflows are usable for early exploration but are not yet fully stable, and both APIs and integrations may evolve as development continues.
read the full opensre overview →
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Frequently asked questions
Is monolog or opensre more popular?
monolog has 21,406 GitHub stars and opensre has 11,103. monolog has the larger community by that measure.
Are monolog and opensre free?
Both are open source. monolog is licensed under MIT and opensre under Apache-2.0. Neither carries a licence fee.
What is the difference between monolog and opensre?
monolog is written in PHP and opensre in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, monolog or opensre?
Choose monolog if you want the larger community (21,406 stars) or its MIT licence terms. Choose opensre if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.