CAD, GIS mapping, eCommerce engines, and specialized industry systems.
Open-source parametric 3D CAD modeler for mechanical engineering and product design.

The leading open source Geographic Information System (GIS) application.

Free, open-source e-commerce platform with built-in multi-store management.

Cross-platform and open source electronics design automation suite.

Free Open Source personal CAD application for 2D design and drafting.

Open-source programmable logic controller for industrial automation and IoT.
Open-source digital conference and assembly management system for official voting.