ERPNext 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?
ERPNext
Open-source ERP for growing businesses
VS
Open QuarterMaster
Powerful inventory management system, designed to be flexible and
| Feature | ERPNext | Open QuarterMaster |
|---|---|---|
| Category | CRM & Business Apps | CRM & Business Apps |
| License | GPL-3.0 | GPL-3.0 |
| Language | Python | Java |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 512 MB |
| Deployment | docker, bare-metal | docker |
| GitHub stars | ★ 37,773 | ★ 73 |
| First released | 2010 | 2026 |
| Replaces | SAP, NetSuite, Salesforce | — |
Why pick each one
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 ERPNext or Open QuarterMaster better?
Neither is universally better. ERPNext has the larger community, while Open QuarterMaster is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are ERPNext and Open QuarterMaster free and open-source?
Yes. ERPNext is licensed under GPL-3.0 and Open QuarterMaster under GPL-3.0. Both can be self-hosted at no software cost.
Can I run ERPNext and Open QuarterMaster with Docker?
ERPNext: yes. Open QuarterMaster: yes.