8 self-hosted Acumatica Cloud ERP alternatives

Odoo is a modular suite of web-based business apps, providing an open-source ERP with CRM, accounting, inventory, HR, eCommerce, website, and more.

53.3k stars33.2k forkslast commit 14 Jul 2026Actively maintained

Open-source ERP for SMBs with accounting, CRM, inventory, manufacturing, HR/payroll, projects, POS, and support in one integrated system.

37.3k stars12.2k forksGPL-3.0last commit 28 Jul 2026Actively maintained

Aureus ERP is an open-source, modular ERP platform built on Laravel for managing accounting, HR, CRM/sales, projects, inventory, and procurement.

11.6k stars509 forksMITlast commit 27 Jul 2026Actively maintained

Dolibarr is an open-source web-based ERP/CRM to manage sales, invoicing, purchases, inventory, accounting, HR, projects, and customer relationships.

7.5k stars3.5k forksGPL-3.0last commit 28 Jul 2026Actively maintained

Ever Gauzy is an open-source business management suite combining ERP, CRM, HRM/ATS, and project & time tracking with a web UI and headless APIs.

3.8k stars790 forksAGPL-3.0last commit 28 Jul 2026Actively maintained

Apache OFBiz is a Java-based open-source ERP and e-commerce framework providing modular apps for accounting, CRM, order management, inventory and manufacturing, plus developer APIs.

1.1k stars704 forksApache-2.0last commit 24 Jul 2026Actively maintained

Open source web-based double-entry accounting and ERP with invoicing, order processing, inventory, projects, and robust PostgreSQL-backed reporting.

555 stars167 forkslast commit 27 Jul 2026Actively maintained

Tryton is a modular, scalable open-source ERP platform covering accounting, sales, inventory, CRM, purchasing, manufacturing, projects, and subscriptions.

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