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

54k stars33.5k forkslast commit Actively maintained

SuiteCRM is a customer relationship management platform for managing sales, marketing and customer support workflows—leads, accounts, opportunities and cases. It is available as a cloud-hosted SaaS offering via partners.
Odoo is a modular suite of web-based business apps, providing an open-source ERP with CRM, accounting, inventory, HR, eCommerce, website, and more.

54k stars33.5k forkslast commit Actively maintained
Open-source ERP for SMBs with accounting, CRM, inventory, manufacturing, HR/payroll, projects, POS, and support in one integrated system.

38.5k stars12.6k forksGPL-3.0last commit Actively maintained
Monica is an open-source personal CRM to manage contacts, track interactions, set reminders, and keep a private diary about your relationships.

25.1k stars2.6k forksAGPL-3.0last commit Slowing down
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.

4.3k stars871 forksAGPL-3.0last commit Actively maintained
A PHP-based open-source CRM providing contacts, leads, pipelines, workflows, dashboards and extensible integrations for sales and support teams.

3.3k stars958 forksAGPL-3.0last commit Actively maintained
Web application to manage CSA/ACP/Solawi operations: members, deliveries, automated billing, online shop and multilingual communications.

80 stars22 forkslast commit Actively maintained
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. 5 of 6 shipped a commit in the last six months. Licences in this list: GPL-3.0, AGPL-3.0. In exchange you take on hosting, backups and updates yourself.
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