Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
AutoCAD MEP - AutoCAD MEP software helps you draft, design, and document building systems.
XYplorer - File Manager for Windows
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.
Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
DataCAD - DataCAD is a computer-aided design and drafting software for 2D and 3D architectural design and drafting