From progeCAD USA:
progeCAD IntelliCAD uses AutoCAD DWG files, no need for conversion. No learning curve for AutoCAD users.
AutoLISP, VBA, ADS programming, import from PDF, Advanced Rendering, 3D ACIS Solid Modeling included. For architects, building kitchen and bath designers, civil, electrical, AEC, MEP and structural engineers, road, site and town planning etc. 2D and 3D CAD drawing using common AutoCAD and AutoCAD LT commands.
Import and edit your Raster Images, including Raster to Vector. Comes with near 11,000 standard symbols and blocks. AutoCAD DWG File 2.5 - 2016, Open and Save Compatible with AutoCAD menus, scripts, fonts, etc. A Library of Blocks Symbols for Electrical, Mechanical, Architectural, Civil Survey, Hybrid DWG Raster Image Editing. Vertical applications for many industries. Google Earth export, Quick Dimensioning, updated spell checker, DIESEL expression support, over 1000 new CAD symbols, right-mouse click context menus, improved speed and reliability, Advanced Data Extraction wizard, one-click text editing, an interactive purge command dialog, and one-click entity grouping, layout print area visualization. eTransmit, PDF, ECW, O2C, JPG, SVG XML image file support, Express Tools, easy-to-use attribute editing, DWG redlining, and Find and Replace text and attribute search
Network NLM, USB mobile, and corporate licensing options, progeCAD Professional is an easy replacement for AutoCAD and AutoCAD LT.