KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Mastercam - Mastercam's Dynamic Milling is a game changer for us.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
Autodesk Fusion 360 - Integrated CAD, CAM, and CAE featuring collaborative editing and cloud-based computation.
QUCS - Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
Vectric Aspire - The complete software solution for CNC Routing,