FacturaLUX is the open source Spanish ERP and CRM software written in C++ and JavaScript, and released under the GNU General Public License. PostgreSQL maintains the database manager of FacturaLUX.

FacturaLUX software is compatible with most of the operating systems such as all 32-bit MS Windows like Windows 95, 98, NT, 2000 and XP, all BSD platforms like FreeBSD, NetBSD, OpenBSD, Apple Mac OSX and all POSIX like Linux, BSD and Unix like operating systems. Carbon (Mac OS X), Win 32 (MS Windows) and X Window System (X11) are the user interfaces that support FacturaLUX.

FacturaLUX was developed intending for the developers and end users. This software is designed for small to medium enterprise market in the operations like sales, distribution and service. The topics covered by FacturaLUX are Financial and Software Development. FacturaLUX covers the areas like administration, management, finances and can handle large databases and administrative processes.

FacturaLUX is a stable and optimized framework and it efficiently supports Complete Financials, Performance Analysis, Material Management, Job Costing, Scheduling and Quoting. The updated version of FacturaLUX contains Accounting Modules.