Odoo is an open source ERP and CRM platform for businesses, offering various apps for sales, marketing, HR, and more.

ERPNext is a 100% open source cloud ERP software offering comprehensive modules for manufacturing, retail, services, and more, eliminating per-user fees.

The world's largest directory for open source software, helping over 2 million users discover free alternatives to proprietary software products.

HotWax Systems is an open-source ERP solution provider for supply chain management and is used by enterprises.

Odoo Community Association is the best community for open source ERP solutions and is used by developers and businesses seeking quality apps.

FlectraHQ is the best open source ERP and CRM software for business management and is used by companies looking to streamline operations.