Above is a 4 minute video which explains the similarities between AViCAD and AutoCAD®.

2019 (version 19.0.8) just released!

★ denotes recently added features

Feature Comparison
AViCAD
    AutoCAD®
Pro Full LT
Native DWG
DWG for AutoCAD® version 2.5 to 2018
DWG Recovery
Classic Toolbars and Ribbon GUI support
Ribbon Contextual ★
Tables creation/editing
Tables Styles
Mechanical, Piping, HVAC & Structural Plugin
20,000+ Block Library (Architectural, Electrical + more)
EasyArch 3D (Architectural plugin)
Export to DWF
Workspaces Support ★
Export Interactive 3D PDF
STL and Collada (DAE) Export
Edit multiple drawings
User Profiles support
Multiple Paper Spaces (layouts)
AutoCAD® 3D surface commands
ACIS viewing
Full ACIS modeling & editing
Perspective image correction
XRef Manager
Fade for Xref, Locked Layer and Refedit ★
MTEXT support via external editor
Hatch editing
Superhatch ★
Default Layer for Hatches and Dimensions
Lineweights (display and print)
Arc Aligned Text
Quick Dimension
Drawing Fields
Raster Image Display (image management)
PDF, DWF, DGN Underlay
Image polygonal clip
Traceparts and Cadenas integration
Numbered Markers (Bubbles / Balloons) ★
Loft and Helix commands ★
Flatshot
Image menu
CTB color table files
STB style table files
Graphical Block Preview
PLOT command
Publish (Batch Plot)
AutoCAD® Command Line
AutoCAD® menu and script files
Explorer for managing layers, blocks, line types
Object Properties toolbar
Edit properties of multiple entries
Properties palette
Apparent & Extended intersection snap
Polar Tracking
Express Tools
Refedit ( Edit locally individual objects within a Block)
Layer Manager ( Save and Restore Layers configurations)
In-Place Text Editor ★
ETrack
Visual Menu Customization
ActiveX, including in-place editing
IRX – similar to ARX – SDS/ADS C++
Solutions Development System (SDS/ADS C++)
AutoLISP (including DCL)
Script Recorder
COM support
Visual Basic for Applications (VBA)
External VBA file loading (multiple .vbi)
JPG print
PDF and PDF/A print
True Type Font
Annotative Objects
PC3 Support
CUI menu support ★
Dynamic Input
Integrated Cloud Service
eTransmit
Find & Replace
Native ECW support
Native Jpeg 2000 support
True color support
Wipeout
Slope linetype (topographic)  ★
ESRI-SHAPE Importer (.shp) graphic & data ★