Mastercam - Mastercam's Dynamic Milling is a game changer for us.
Universal Gcode Sender - A full featured gcode platform used for interfacing with advanced CNC controllers like GRBL and TinyG.
Carveco - Carveco™ software is the trusted CAD modelling and CNC machining solution to a wide vatiety of industries worldwide.
bCNC - Development
Mach3 - Mach3 is very popular among the Hobby CNC community.
CNCjs - A web-based interface for CNC milling controller running Grbl, Marlin, Smoothieware, or TinyG. - cncjs/cncjs