Open QuarterMaster vs Twenty
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?
Open QuarterMaster
Powerful inventory management system, designed to be flexible and
VS
Twenty
Modern open-source CRM alternative
| Feature | Open QuarterMaster | Twenty |
|---|---|---|
| Category | CRM & Business Apps | CRM & Business Apps |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Java | TypeScript |
| Setup difficulty | Medium | Medium |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker | docker |
| GitHub stars | ★ 73 | ★ 54,478 |
| First released | 2026 | 2023 |
| Replaces | — | Salesforce, HubSpot |
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 Open QuarterMaster or Twenty better?
Neither is universally better. Twenty has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are Open QuarterMaster and Twenty free and open-source?
Yes. Open QuarterMaster is licensed under GPL-3.0 and Twenty under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Open QuarterMaster and Twenty with Docker?
Open QuarterMaster: yes. Twenty: yes.