head to head · open source
monolog vs FASTER
monolog has 21,402 GitHub stars, 1,920 forks, 3 open issues and last shipped 4 days ago. FASTER has 6,635 stars, 592 forks, 36 open issues and last shipped 17 days ago. monolog leads on adoption by 223% (21,402 vs 6,635 stars). monolog is written in PHP under MIT; FASTER is written in C# under MIT. monolog has attracted 9% as many forks as stars, FASTER 9%. monolog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (logging), so they are genuine substitutes rather than adjacent tools.
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 | FASTER | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 6.6K |
| License | MIT | MIT |
| Written in | PHP | C# |
| Last push | 2026-11-01 | 2026-10-19 |
| Forks | ⑂ 1.9K | ⑂ 592 |
| 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 FASTER if
- You want the FASTER feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and FASTER fits your workflow better
About monolog
Monolog Logging for PHP Note This is the documentation for Monolog 3.x , if you are using older releases see the documentation for Monolog 2.x or Monolog 1.x Monolog sends your logs to files, sockets, inboxes, databases and various web services. See the complete list of handlers below. Special handlers allow you to build advanced logging strategies. This library implements the PSR 3 interface that you can type hint against in your own libraries to keep a maximum of interoperability. You can also use it in your applications to make sure you can always use another compatible logger at a later time. As of 1.11.0…
read the full monolog overview →
About FASTER
[!IMPORTANT] This repository is no longer actively maintained. We encourage users to look at Garnet — this project evolves FASTER into a full fledged remote cache store with strong performance (throughput and latency), scalability, storage, recovery, and more. Garnet's storage engine, Tsavorite , is a highly optimized and evolved fork of FASTER. Introduction Managing large application state easily, resiliently, and with high performance is one of the hardest problems in the cloud today. The FASTER project offers two artifacts to help tackle this problem. FASTER Log is a high performance concurrent persistent…
read the full FASTER overview →
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Frequently asked questions
Is monolog or FASTER more popular?
monolog has 21,402 GitHub stars and FASTER has 6,635. monolog has the larger community by that measure.
Are monolog and FASTER free?
Both are open source. monolog is licensed under MIT and FASTER under MIT. Neither carries a licence fee.
What is the difference between monolog and FASTER?
monolog is written in PHP and FASTER 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, monolog or FASTER?
Choose monolog if you want the larger community (21,402 stars) or its MIT licence terms. Choose FASTER if its feature set, stack or MIT licence fits better. Both are self-hostable.