CAD freeware downloads

MarvinSketch

23.16.0 freeware download

An advanced chemical editor for drawing chemical structures, queries

WinBlast

0.2.0 freeware download

Run on any Windows machine that supports Microsoft .NET framework

QSapecNG for Linux

2.0.0 Beta freeware download

Designed to help you with symbolic analysis of linear analog circuits

Seqwog x64

2.0 freeware download

Find frequent sequences without gaps in their occurrences

VirtualBreadboard

6.0.8/1.7.2 freeware download

Developed to be a simulation & development environment

PyNcView

0.99.8 Beta freeware download

An easy-to-use graphical user interface to the creation of animations