DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting
KiCad - A Cross Platform and Open Source Electronics Design Automation Suite
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.
EasyEDA - EasyEDA - Web-based EDA suite; runs in browser.
AutoCAD Plant 3D - AutoCAD Plant 3D is a BIM software that lets you create, modify, and manage schematic piping and instrumentation diagrams.
Proteus PCB design - Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a...