ProfiCAD

ProfiCAD is a highly ergonomic software designed for drawing electrical and electronic diagrams, schematics, and control circuit diagrams. Available in its latest version, 12.4.2, this program is developed by ProfiCAD and features a minimal file size of just 11.8 MB. Among the files you can expect to find with this software are ProfiCAD.exe, ProfiCADPE.exe, profiCAD_3.exe, ProfiCAD_updater.exe, and TCW32.exe. One stand-out feature is that ProfiCAD supports a wide range of operating systems, including Windows XP, XP Professional, Vista, 7, 8, 10, and 11.

The software falls under the Education category, more specifically the Science Tools subcategory. Besides electrical schematics, its versatility extends to creating diagrams for pneumatics, hydraulics, and several other technical fields. One interesting aspect is that the program offers automatic numbering of symbols, generation of netlists, lists of wires, bills of material, and the drawing of striped wires.

If you've used versions 10.6, 10.4, or 10.3, you'll find the latest iteration of ProfiCAD has made notable improvements. It is also known by aliases such as ProfiCAD 2D3D Edition 2000 and ProfiCAD10. This program can be downloaded for free for non-commercial use, allowing it to be used indefinitely without any charges. However, for professional use, a purchase is required.

Pros:

• Free for non-commercial use
• Extremely lightweight at 11.8 MB
• Supports multiple operating systems
• Highly versatile for various types of technical diagrams
• Automatic numbering and other convenient features

Cons:

• Limited to Windows operating systems
• Free version limited to non-commercial purposes

You may want to check out more software, such as Graphmatica, ExpressPCB or HEC-RAS, which might be related to ProfiCAD.