Business Applications Hub

Odoo

54,34433,692

Odoo is an open-source, modular business suite licensed under LGPLv3, and a self-hosted alternative to SAP, NetSuite, and Salesforce. Its Community Edition covers CRM, accounting, inventory, manufacturing, HR, and e-commerce as installable apps that share one database, so businesses can start with one module and add more as they grow.

ERPNext

39,01712,735

ERPNext is an open-source enterprise resource planning suite, and a self-hosted alternative to SAP, Oracle NetSuite, and Microsoft Dynamics. Built on the Frappe framework, it covers accounting, inventory, manufacturing, sales and purchasing, projects, HR, and CRM in one data model, with every form, report, and workflow customizable without forking. It fits small businesses through mid-market operations.

Twenty

56,4058,974

An open-source CRM and a self-hostable alternative to Salesforce and HubSpot. Twenty offers a fast, keyboard-friendly interface for managing companies, contacts, and deals, with fully customizable objects and fields, a GraphQL and REST API, and a permission model teams can shape to their own sales process.

Huly Platform

18,2281,137

A robust framework for developing business applications like CRM systems, offering multiple integrated applications including Chat, Project Management, CRM, HRM, and ATS.