xTuple Aptsource is a development and implementation partner of Xtuple , the world leader in open source ERP in the US. xTuple has three edition-levels of its ERP range.
	- PostBooks (a free open source edition with basic functionalities with some restriction). - Standard (a commercial open source edition with the basic functionalities but without restriction). - OpenMFG (a commercial open source edition with all advanced functionalities like MRP, MPS, Scheduling etc.).
Aptsource as the development partner for xTuple for OpenMFG through a contractual agreement works together for customization / extension / maintenance / internationalization / implementation of OpenMFG. At the same time, by mutual agreement, it also maintains another version of extended xTuple product for Indian business which includes implementation of the Indian TAX Structure. OpenMFG, in the current version, cover the following business modules.
	• Fully customization and configurable • Products • Inventory • Material Requirement Planning • Production Scheduling • Purchase • Manufacturing • CRM • Sales • Accounting
If any organization needs further functionality which is not covered by OpenMFG, say Payroll , project management, Stock Tracking etc Aptsource implements that as a separate package, choosing from its basket of open source solutions, and integrates with OpenMFG if need be.