head to head · open source
cilium vs monolog
cilium has 25,759 GitHub stars, 4,207 forks, 1,085 open issues and last shipped yesterday. monolog has 21,404 stars, 1,921 forks, 3 open issues and last shipped 2 days ago. cilium leads on adoption by 20% (25,759 vs 21,404 stars). cilium is written in Go under Apache-2.0; monolog is written in PHP under MIT. cilium has attracted 16% as many forks as stars, monolog 9%. cilium 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.
← all 20902 open source comparisons
Side by side
| cilium | monolog | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 21K |
| License | Apache-2.0 | MIT |
| Written in | Go | PHP |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 4.2K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cilium if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick monolog if
- You want the monolog feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches PHP
- You evaluated both and monolog fits your workflow better
About cilium
.. raw:: html Cilium is a networking, observability, and security solution with an eBPF based dataplane. It provides a simple flat Layer 3 network with the ability to span multiple clusters in either a native routing or overlay mode. It is L7 protocol aware and can enforce network policies on L3 L7 using an identity based security model that is decoupled from network addressing. Cilium implements distributed load balancing for traffic between pods and to external services, and is able to fully replace kube proxy, using efficient hash tables in eBPF, allowing for almost unlimited scale. It also supports advanced…
read the full cilium overview →
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 →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is cilium or monolog more popular?
cilium has 25,759 GitHub stars and monolog has 21,404. cilium has the larger community by that measure.
Are cilium and monolog free?
Both are open source. cilium is licensed under Apache-2.0 and monolog under MIT. Neither carries a licence fee.
What is the difference between cilium and monolog?
cilium is written in Go and monolog in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cilium or monolog?
Choose cilium if you want the larger community (25,759 stars) or its Apache-2.0 licence terms. Choose monolog if its feature set, stack or MIT licence fits better. Both are self-hostable.