head to head · open source
monolog vs tslog
monolog has 21,402 GitHub stars, 1,920 forks, 3 open issues and last shipped 4 days ago. tslog has 1,753 stars, 74 forks, 0 open issues and last shipped 2 days ago. monolog leads on adoption by 1,121% (21,402 vs 1,753 stars). monolog is written in PHP under MIT; tslog is written in TypeScript under MIT. monolog has attracted 9% as many forks as stars, tslog 4%. tslog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (logger, 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 | tslog | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 1.8K |
| License | MIT | MIT |
| Written in | PHP | TypeScript |
| Last push | 2026-11-01 | 2026-11-03 |
| Forks | ⑂ 1.9K | ⑂ 74 |
| 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 tslog if
- You want the tslog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and tslog 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 tslog
Beautiful logging experience for TypeScript Powerful, fast and expressive logging for TypeScript and JavaScript [!NOTE] This is tslog v5. It is a deliberate, breaking redesign — ESM only, grouped settings, a new fields first JSON shape, and middleware instead of overwrite. . If you are on the 4.x line, 4.11.0 is a safe place to stay — most of the v5 performance wins were back ported there with zero breaking changes. Upgrade when you want the new capabilities. See Upgrading from v4? . Highlights 🏗 Universal — one logger for Node.js, browser, Deno, Bun, workers and React Native 🧱 Structured, fields first JSON —…
read the full tslog overview →
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Frequently asked questions
Is monolog or tslog more popular?
monolog has 21,402 GitHub stars and tslog has 1,753. monolog has the larger community by that measure.
Are monolog and tslog free?
Both are open source. monolog is licensed under MIT and tslog under MIT. Neither carries a licence fee.
What is the difference between monolog and tslog?
monolog is written in PHP and tslog in TypeScript. 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 tslog?
Choose monolog if you want the larger community (21,402 stars) or its MIT licence terms. Choose tslog if its feature set, stack or MIT licence fits better. Both are self-hostable.