KeyNote

Open-source, tab-based life organizer for notes, finances, and tasks with simple, appealing layout

Low-cost graphics editor, paint and drawing program with many features similar to large commercial applications

A comprehensive software package with everything users need for 3D modeling

Lightweight electro-technical CAD tool for designing and simulating electrical and automation circuits with ease

Effortlessly explore, review, and print detailed 3D models while keeping original designs fully protected

Open-source software for creating and sharing 3D images and graphics

Viewing and conversion software for .dwg files