Circuit Diagram enables you to make electronic circuit diagrams and allows them to be exported as images. Ideal for use in coursework, you no longer have to use image editing programs to paste components together.
A Circuit Diagram Maker – [Link]
TinyCAD is a program for drawing 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.
TinyCAD for schematic drawings – [Link]