A python parametric CAD scripting framework based on OCCT
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
Draw vector graphics to scale using a descriptive language
Toolkit for working with and mapping geospatial data
Report and Label Designer
French Geographic Information System
Another drawing editor for LaTeX with PSTricks & TikZ
View Sixel images in Windows, and Sixel image repository
The programmer's solid 3D CAD modeller
A Windows-based viewer currently supporting CDR & 2D DXF files
Emgu CV is a cross platform .Net wrapper for OpenCV
2D CAD software
Converts between many 3D data formats
Search engine using MySql and VB .NET
3D .NET engine for Windows, Linux, Mac
3D Engine with some extra features based on the D3x3D Engine for VB6
A Software for determing codes for hex and all the properties of color
A drawer for origami crease pattern