AutoCAD LT - AutoCAD LT is a drafting tool to create 2D drawings.
SketchUp - 3D for Everyone
BricsCAD - A powerful CAD platform, with features familiar to you from native .dwg applications.
Arena - Chess GUI Arena
ActCAD - ActCAD is one Software for many applications covering the primary domains of – Architecture, Engineering, Construction (AEC) including Structural, Electrical, and Mechanical.
PTC Creo Sketch - Creo Sketch is an easy to use 2D CAD application for capturing and creating new 2D freehand concepts which is available on PCs, Macs, and iPads.