Double Commander - Double Commander is a cross-platform open source file manager with two panels side by side.
AutoCAD MEP - AutoCAD MEP software helps you draft, design, and document building systems.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.
AutoCAD Arch - Design and document more efficiently with the AutoCAD Architecture toolset, created specifically for architects.
XYplorer - File Manager for Windows
AutoCAD Plant 3D - AutoCAD Plant 3D is a BIM software that lets you create, modify, and manage schematic piping and instrumentation diagrams.