Fritzing - Fritzing is an open-source initiative to support designers, artists, researchers and hobbyists to...
AutoCAD MEP - AutoCAD MEP software helps you draft, design, and document building systems.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
LTspice - LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.