KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
GEES - GEES is an all-in-one AI design platform that is shaping a future where you can brainstorm, design, hand-off in one file — without changing any other tools.
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.
Sketch - Professional digital design for Mac.