xTuple PostBooks Edition


Free Open Source Accounting and Enterprise Business Management Software


PostBooks is a full-featured, fully integrated open source accounting, ERP, and CRM system, based on the award winning xTuple ERP Suite.

Built with the open source PostgreSQL database, and the open source Qt framework for C++, it provides the ultimate in power and flexibility for a range of businesses and industries. It includes the following modules:

  • Accounting (general ledger, accounts receivable and payable, bank reconciliation, financial reporting)
  • Sales (quotes, order entry, sales reporting, shipping)
  • CRM (universal address book, incident management, opportunity management, to-do lists, project management)
  • Purchasing (purchase orders, receiving, vendor reporting)
  • Product Definition (items, infinite-level bills of material)
  • Inventory (multiple locations, other advanced warehouse features)
  • Light Manufacturing (work orders, strong support for make-to-order)
  • OpenRPT open source report writer

PostBooks is the ideal solution for the small business or the one you just started. Easily deployed as a web based solution all of your team members can seamlessly communicate and collaborate, whether you are in the same office, at home, on the road or across the globe.

Like all xTuple products, it runs equally well on Windows, Linux, and Mac - and is fully internationalized (multi-currency, support for multiple tax structures, and multilingual translation packs maintained by our global community).

PostBooks is licensed under the OSI-certified Common Public Attribution License.