Twenty
CRM & Business AppsModern open-source CRM alternative
Replaces Salesforce, HubSpot
Best PostgreSQL CRM & Business Apps for self-hosting
The 14 best PostgreSQL crm & business apps you can self-host, ranked by community traction.
Odoo Community
CRM & Business AppsModular open-source business management suite
Replaces Salesforce, SAP
InvenTree
CRM & Business AppsOpen-source inventory and stock management system
Replaces NetSuite, Fishbowl
Fat Free CRM
CRM & Business AppsRuby on Rails open-source customer relationship manager
Replaces Salesforce
Shelf Asset Management
CRM & Business AppsOpen-source asset and equipment tracking
Replaces Asset Panda, Sortly
pretix
CRM & Business AppsOpen-source ticketing for conferences and events
Replaces Eventbrite, Ticketmaster
Django-CRM
CRM & Business AppsOpen-source CRM with contact and pipeline tracking
Replaces Salesforce, Zoho CRM
metasfresh
CRM & Business AppsOpen-source ERP for small and midsize companies
Replaces SAP, NetSuite
Corteza
CRM & Business AppsLow-code platform with built-in CRM and case management
Replaces Salesforce, Microsoft Power Apps
Atomic CRM
CRM & Business AppsOpen-source CRM built with React and Supabase
Replaces HubSpot, Pipedrive
Axelor
CRM & Business AppsOpen-source ERP, CRM, and BPM platform
Replaces SAP, Odoo
frePPLe
CRM & Business AppsOpen-source ERP for accounting, sales and inventory
Replaces SAP, Oracle SCM
iDempiere
CRM & Business AppsCommunity-driven open-source ERP and CRM
Replaces SAP, Oracle ERP
Flectra
CRM & Business AppsOpen-source business management suite forked from Odoo
Replaces Odoo, SAP Business One
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Twenty | Under-an-hour setup | Medium | 2,048 MB | AGPL-3.0 | 58,300 |
| Odoo Community | Under-an-hour setup | Hard | 2,048 MB | LGPL-3.0 | 55,022 |
| InvenTree | Under-an-hour setup | Medium | 1,024 MB | MIT | 7,707 |
| Fat Free CRM | Under-an-hour setup | Medium | 1,024 MB | MIT | 3,633 |
| Shelf Asset Management | Under-an-hour setup | Medium | 512 MB | AGPL-3.0 | 3,029 |
| pretix | Under-an-hour setup | Medium | 1,024 MB | Apache-2.0 | 2,542 |
| Django-CRM | Under-an-hour setup | Medium | 1,024 MB | GPL-3.0 | 2,447 |
| metasfresh | Under-an-hour setup | Hard | 4,096 MB | GPL-2.0 | 2,447 |
| Corteza | Under-an-hour setup | Hard | 2,048 MB | Apache-2.0 | 2,170 |
| Atomic CRM | Under-an-hour setup | Medium | 512 MB | MIT | 1,370 |
Quick picks
- Most adopted: Twenty (58,300 GitHub stars).
- Lightest footprint: Shelf Asset Management (from 512 MB RAM, against 4,096 MB for the heaviest here).
- Licensing: 4 of 14 use AGPL-3.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged PostgreSQL within the crm & business apps category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.