Modular open-source business apps suite (ERP, CRM, eCommerce)

54k stars 33.5k forks last commit first released

Actively maintained

Last commit 18 Aug 2026.

Odoo screenshot

Odoo is a suite of web-based open-source business applications that can be used individually or combined into a fully integrated ERP. It provides a single platform for managing core business processes such as sales, operations, finance, and customer relationships.

Key Features

  • Modular app architecture with tightly integrated business modules
  • ERP capabilities across CRM, sales, invoicing/accounting, inventory/warehouse, and manufacturing
  • Project management and HR apps for internal operations
  • Website builder and eCommerce capabilities within the same platform
  • Large ecosystem of community-developed apps and extensions
  • Data stored in PostgreSQL, enabling ownership and portability of business data

Use Cases

  • Running an SMB ERP to manage sales, inventory, accounting, and operations in one system
  • Deploying a CRM and customer pipeline management tool integrated with invoicing
  • Building an eCommerce site connected to inventory, fulfillment, and accounting workflows

Limitations and Considerations

  • The Enterprise edition includes additional proprietary apps and services not available in Community
  • Real-world deployments often require configuration and customization to fit specific processes

Odoo fits organizations that want an integrated set of business applications with a modular approach and a large extension ecosystem. It can start as a single app deployment and scale into a broader ERP as needs grow.

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