DDL Stone Planning Tool - The Future of Stone
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Stone Profit Systems - Stone Profit Systems is the leading provider of user friendly all-in-one software for the natural stone, quartz, tile and solid surface industries.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
ERPNext - The ERP Software that helps you take full control of your business. ERPNext is both powerful and easy to use.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.