Free ah3 software for linux

Ah3 project is an invoicing and inventory system for repair shops. Out of the box it is focused towards autmotive repair shops but can be readily changed for any sort of shop without any knowledge of coding or recompiling the application.
Main features:
- Customer and vehicle database
- Inventory management
- Customizable invoice generation
- Forms which can be redily customized without code changes
- Minimal data changes from Ah2
- Building on MS Windows is possible