Mastercam - Mastercam's Dynamic Milling is a game changer for us.
FreeCAD - An open-source parametric 3D modeler
CamBam - CamBam CNC software, best value for money, feature rich, CNC Software for G-Code generation on CNC Routers, CNC Mills, Homemade CNC machines, for 2D pocketing, 2D profiling, Text Engraving, Photo Engraving and 3D carving.
SolidWorks - Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.
Carveco - Carveco™ software is the trusted CAD modelling and CNC machining solution to a wide vatiety of industries worldwide.
LibreCAD - An open source 2D CAD application for Windows, Apple and Linux.