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 Actively maintained
Managed cloud hosting for ERPNext, the open-source ERP suite for accounting, inventory, CRM, HR and operations. Provides maintained SaaS instances with automated backups, updates, and infrastructure management to avoid self-hosting.
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 Actively 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 Actively 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 Actively maintained
Web-based POS system for sales, inventory, customers, suppliers, invoicing, and reporting, built with PHP and MySQL/MariaDB.

4.3k stars2.6k forkslast commit Actively 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 Actively 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 Actively maintained
Ruby on Rails app for managing food cooperatives: product catalog, online ordering, accounting, member and job scheduling.

353 stars159 forkslast commit Actively maintained
Tryton is a modular, scalable open-source ERP platform covering accounting, sales, inventory, CRM, purchasing, manufacturing, projects, and subscriptions.
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Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 7 of 8 shipped a commit in the last six months. Licences in this list: MIT, GPL-3.0, AGPL-3.0, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in ERP & Operations.