InvenTree vs Open QuarterMaster
A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
InvenTree
Open-source inventory and stock management system
VS
Open QuarterMaster
Powerful inventory management system, designed to be flexible and
| Feature | InvenTree | Open QuarterMaster |
|---|---|---|
| Category | CRM & Business Apps | CRM & Business Apps |
| License | MIT | GPL-3.0 |
| Language | Python | Java |
| Setup difficulty | Medium | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, bare-metal, source | docker |
| GitHub stars | ★ 7,356 | ★ 73 |
| First released | 2017 | 2026 |
| Replaces | NetSuite, Fishbowl | — |
Why pick each one
Choose InvenTree if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 7.4k GitHub stars
- Written in Python
Choose Open QuarterMaster if…
- Released under the GPL-3.0 license
- First-class Docker support for quick deployment
- Written in Java
- Lightweight — runs in 512 MB RAM
Frequently asked questions
Is InvenTree or Open QuarterMaster better?
Neither is universally better. InvenTree has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are InvenTree and Open QuarterMaster free and open-source?
Yes. InvenTree is licensed under MIT and Open QuarterMaster under GPL-3.0. Both can be self-hosted at no software cost.
Can I run InvenTree and Open QuarterMaster with Docker?
InvenTree: yes. Open QuarterMaster: yes.