Introducing the world's most advanced open source ERP system.

PostBooks is a full-featured, fully-integrated accounting, ERP, and CRM system, based on the award winning OpenMFG 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

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 CPAL, the OSI-certified Common Public Attribution License.

How to get started

If you're a technical self-starter, you can read a quick "how-to" on getting PostBooks installed, or go straight to the PostBooks download site at SourceForge.

You might also want to review the full online User Guide, or a detailed comparison of PostBooks and its commercial sibling OpenMFG.

If you'd just like to talk with someone about the product, whether you're a potential end-user of the software or a potential partner or developer, just drop us a line at info (at) postbooks.com.

Thanks for your interest in PostBooks!