ERPNext vs Monica
A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.
Monica
Personal CRM to remember the people you know
| Feature | ERPNext | Monica |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 99 · Excellent | 66 · Good |
| Category | CRM & Business Apps | CRM & Business Apps |
| License | GPL-3.0 | AGPL-3.0 |
| Language | Python | PHP |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 512 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 39,502 | ★ 25,354 |
| First released | 2010 | 2017 |
| Replaces | SAP, NetSuite, Salesforce | Salesforce, HubSpot |
What are ERPNext and Monica?
ERPNext
ERPNext is a comprehensive open-source ERP covering accounting, inventory, manufacturing, HR, CRM, and more. It targets small and mid-sized businesses wanting an all-in-one system. It is deployed via Docker or the Frappe bench tool.
- Full ERP modules in one suite
- Accounting and inventory
- Manufacturing and HR
- Built on the Frappe framework
Monica
Monica is a personal CRM that helps you record and remember details about friends, family, and personal contacts. It targets individuals who want to nurture personal relationships. It is deployed via Docker or a PHP stack.
- Tracks personal relationships
- Reminders for important dates
- Notes, gifts and activities
- Contact journaling
ERPNext vs Monica: key differences
ERPNext is written in Python, while Monica is built with PHP. Licensing differs — GPL-3.0 for ERPNext versus AGPL-3.0 for Monica. Monica is the lighter option, starting around 512 MB of RAM against 4,096 MB for ERPNext. ERPNext is the more established project (first released 2010), while Monica arrived in 2017.
Why pick each one
Choose ERPNext if…
- Very comprehensive
- Active community
- Fully open source
Watch out for
- Complex to deploy and learn
- Resource heavy
Choose Monica if…
- Unique personal CRM focus
- Helps maintain relationships
- Open source
Watch out for
- Not for business sales
- Development pace varies
Frequently asked questions
Is ERPNext or Monica better?
Neither is universally better. ERPNext has the larger community, while Monica is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are ERPNext and Monica free and open-source?
Yes. ERPNext is licensed under GPL-3.0 and Monica under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run ERPNext and Monica with Docker?
ERPNext: yes. Monica: yes.
Which is lighter on resources, ERPNext or Monica?
Monica has the smaller minimum footprint at 512 MB of RAM, compared to about 4,096 MB for ERPNext. Real-world usage depends on library size, user count, and enabled features.