Autodesk BIM 360 - Autodesk BIM 360 is a construction project management software.
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
iTWO 4.0 - iTWO 4.0 is a 5D BIM cloud-based enterprise construction software that manages and digitalizes the whole construction life cycle based on 5D BIM model.
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.