KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Mastercam - Mastercam's Dynamic Milling is a game changer for us.
Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
Carveco - Carveco™ software is the trusted CAD modelling and CNC machining solution to a wide vatiety of industries worldwide.
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
Mach3 - Mach3 is very popular among the Hobby CNC community.