FossBilling vs OpenProject
A side-by-side comparison of two self-hosted project management & tasks options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
FossBilling
Solution for efficient billing and client management for hosting
VS
OpenProject
Open-source project management and collaboration
| Feature | FossBilling | OpenProject |
|---|---|---|
| Category | Project Management & Tasks | Project Management & Tasks |
| License | Apache-2.0 | GPL-3.0 |
| Language | PHP | Ruby |
| Setup difficulty | Medium | Hard |
| Min. RAM | 50 MB | 2,048 MB |
| Deployment | bare-metal | docker, bare-metal |
| GitHub stars | ★ 1,667 | ★ 15,794 |
| First released | 2026 | 2012 |
| Replaces | WHMCS | Jira, Asana |
Why pick each one
Choose FossBilling if…
- Released under the Apache-2.0 license
- Active community (1.7k GitHub stars)
- Written in PHP
- Tiny footprint — runs in 50 MB RAM
Choose OpenProject if…
- Very feature-complete
- Good for classic project management
- Strong permissions
Frequently asked questions
Is FossBilling or OpenProject better?
Neither is universally better. OpenProject has the larger community, while FossBilling is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are FossBilling and OpenProject free and open-source?
Yes. FossBilling is licensed under Apache-2.0 and OpenProject under GPL-3.0. Both can be self-hosted at no software cost.
Can I run FossBilling and OpenProject with Docker?
FossBilling: check the project docs for container support. OpenProject: yes.