ERPNext vs Krayin
A side-by-side comparison of two self-hosted crm & business apps options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | ERPNext | Krayin |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 99 · Excellent | 97 · Excellent |
| Category | CRM & Business Apps | CRM & Business Apps |
| License | GPL-3.0 | MIT |
| Language | Python | PHP |
| Setup difficulty | Hard | Medium |
| Min. RAM | 4,096 MB | 1,024 MB |
| Deployment | docker, bare-metal | docker, bare-metal |
| GitHub stars | ★ 39,476 | ★ 23,930 |
| First released | 2010 | 2020 |
| Replaces | SAP, NetSuite, Salesforce | Salesforce, HubSpot |
What are ERPNext and Krayin?
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
Krayin
Krayin is a free and open-source CRM built on Laravel, offering lead management, contacts, and sales pipelines. It targets small businesses wanting a lightweight PHP CRM. It is deployed via Docker or a PHP stack.
- Lead and pipeline management
- Contact and activity tracking
- Built on Laravel
- Email integration
ERPNext vs Krayin: key differences
ERPNext is written in Python, while Krayin is built with PHP. Licensing differs — GPL-3.0 for ERPNext versus MIT for Krayin. Krayin is the lighter option, starting around 1,024 MB of RAM against 4,096 MB for ERPNext. ERPNext is the more established project (first released 2010), while Krayin arrived in 2020.
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 Krayin if…
- Lightweight CRM
- Laravel-based and extensible
- Open source
Watch out for
- Smaller community
- Fewer features than big CRMs
Frequently asked questions
Is ERPNext or Krayin better?
Neither is universally better. ERPNext has the larger community, while Krayin is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are ERPNext and Krayin free and open-source?
Yes. ERPNext is licensed under GPL-3.0 and Krayin under MIT. Both can be self-hosted at no software cost.
Can I run ERPNext and Krayin with Docker?
ERPNext: yes. Krayin: yes.
Which is lighter on resources, ERPNext or Krayin?
Krayin has the smaller minimum footprint at 1,024 MB of RAM, compared to about 4,096 MB for ERPNext. Real-world usage depends on library size, user count, and enabled features.