OctoPrint is the snappy web interface for your 3D printer
A math-inspired CAD program in haskell. CSG, bevels, and shells
DXF2GCODE: converting 2D dxf drawings to CNC machine compatible G-Code
CNC Interpreter for Arduino
GCode sender for ramps and marlin firmware for CNC Milling Machine
DARwIn-OP cloning files
Analyze the network carateristics like Delay, Jitter, Packet loss etc.
A CAD/CAM Package for CNC GCode Creation
matterQ is a simple LPR 3D print server
GComb is a gCode viewing tool with an interior focus