Is there is any software that can be helpful in drawing professional diagrams such as circuit diagrams and systems diagrams for engineering reports?

For example this diagram

schematic circuit diagram

  • 1
    I don't think there is anything particularly scientific about this diagram, is there? As such, the title of the question may evoke wrong ideas. Commented Apr 21, 2017 at 20:08
  • Dia? wiki.gnome.org/Apps/Dia
    – Eric S
    Commented Apr 21, 2017 at 22:27

1 Answer 1


Take a look at TinyCAD

TinyCAD is a program for drawing electrical circuit diagrams commonly known as schematic drawings. It supports standard and custom symbol libraries. It supports PCB layout programs with several netlist formats and can also produce SPICE simulation netlists. It is also often used to draw one-line diagrams, block diagrams, and presentation drawings.


  • Flat or Hierarchical Schematic Entry
  • Many popular PCB Layout compatible netlist formats
  • Convenient support for embedding graphical images in drawings

enter image description here

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