Plectica offers an intuitive environment for teams to communicate and diagram together. Diagram practically anything from systems models to processes or concept maps.


Square Sketch is described as 'Digital graph paper for diagrams, technical sketches and geometric art' and is a Mind Mapping tool in the photos & graphics category. There are more than 100 alternatives to Square Sketch for a variety of platforms, including Windows, Web-based, Mac, Linux and iPhone apps. The best Square Sketch alternative is draw.io, which is free. Other great apps like Square Sketch are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Dia.
Plectica offers an intuitive environment for teams to communicate and diagram together. Diagram practically anything from systems models to processes or concept maps.


UNIX/X11 program for drawing publishable-quality electrical circuit schematic diagrams and related figures, and produce circuit netlists through schematic capture.

Livewire is a sophisticated software package for designing and simulating electronic circuits.

Circuit Wizard is a revolutionary new system that combines circuit design, PCB design, simulation and CAD/CAM in one complete package.

FidoCadJ is a free user-friendly vector graphic editor for Mac OS X, Linux, Windows and Android. Available in English, French, Italian, German, Chinese, Spanish, Czech, Japanese and Dutch.

CircuitMaker is the best free PCB design software by Altium for Open Source Hardware Designers, Hackers, Makers, Students and Hobbyists. From the about page of the website:



With Sprint-Layout you can design your PCB’s quick and easy. There is no unnecessary “ballast” which makes it difficult to keep the overview or which makes the usage almost impossible. Because of the logical and understandable strucure of Sprint-Layout the usage is very easy to...

Tool to easily create electrical and electronic schematics, PLC ladder, flow and timing diagrams


Cross platform with near-native OS integration for Windows, Mac OS X, Linux and commercial Unixes

BSch3V is a schematic capture program for Windows Vista/7/8/10. The name "BSch" is an abbreviation of "Basic Schematic". It has only basic functions, in order to simplify operation.
