Bricscad V9 is well on its way to become the standard alternative CAD software for users and application developers. In this comparison chart you get an overview.

Bricscad V9 Bricscad V6 AutoCAD
Yes = New feature Pro Classic Linux 2009 LT
Files
AutoCAD 2009 native file support Yes Yes 2000 Yes Yes
Native DWG 2007 file format Yes Yes 2000 Yes Yes
DWG for AutoCAD version 2.5 to 2009 Yes Yes to 2004 No No
Support for DWGCODEPAGE Yes Yes No Yes Yes
Support for DWT files (Drawing templates) Yes Yes No Yes Yes
Drawing recovery Yes Yes Yes Yes Yes
Export DWG to PDF Yes Yes No Yes Yes
Export to DWF 2D & 3D Yes Yes Yes Yes Yes
Xrefs in-place editing New New No Yes Yes
User File Manager Yes Yes No Yes Yes
Commands
Industry standard AutoCAD commands Yes Yes No Yes Yes
AutoCAD command Line Yes Yes Yes Yes Yes
AutoCAD 3D surface commands Yes Yes Yes Yes No
Interface
Dockable Properties toolbar Yes Yes No Yes Yes
Edit multiple drawings (MDI) Yes Yes Yes Yes Yes
Extended Drawing Explorer Yes Yes No Yes Yes
New Drawing wizard Yes Yes Yes Yes Yes
Object Properties toolbar Yes Yes Yes Yes Yes
Searchable Settings Manager Yes Yes No Yes Yes
Context menu Yes Yes Yes Yes Yes
Customization
AutoCAD CUI menus and toolbars Yes Yes No Yes Yes
Visual menu customization Yes Yes Yes Yes No
Customizable Status bar New New No Yes Yes
3D
ACIS viewing Yes Yes No Yes Yes
Full ACIS modeling & editing Yes No No Yes (2)
Layouts
Multiple paper spaces Yes Yes Yes Yes Yes
Lock layout viewports Yes Yes No Yes Yes
Snap & Track
eSnap Yes Yes No Yes Yes
Snap- and eSnap- from Yes Yes No Yes Yes
SnapTrack™ Yes Yes No Yes Yes
Polar tracking Yes Yes No Yes Yes
Apparent & extended intersection snap Yes Yes No Yes Yes
Text
Multi-language character set Yes Yes No Yes Yes
TrueType fonts Yes Yes No Yes Yes
Spelling Yes Yes No Yes Yes
Find & replace Yes Yes Yes Yes Yes
In-place WYSIWYG MTEXT editor New New No Yes Yes
MTEXT via internal or external editor Yes Yes Yes Yes Yes
Text exploding (TXTEXP command) New New No Yes Yes
Raster images
Image menu Yes Yes Yes Yes Yes
Image clipping Yes Yes Yes Yes Yes
Raster image support Yes Yes No Yes Yes
Support for ECW and JPEG2000 New New No Yes Yes
Transparency support New New No Yes Yes
Other functionalities
Real time pan & zoom Yes Yes Yes Yes Yes
Non-rectangular viewports Yes Yes No Yes Yes
Associative dimensions New New No Yes Yes
Layers toolbar New New No Yes Yes
Layer States Manager Yes Yes No Yes Yes
Hatch editing Yes Yes Yes Yes Yes
Quick Select tool New New No Yes Yes
Edit properties of multiple entities Yes Yes Yes Yes No
COPYBASE / PASTEBLOCK commands New New No Yes Yes
Lineweights (display and print) Yes Yes Yes Yes Yes
Wipe out New New No Yes Yes
Table support (1) (1) No Yes Yes
True colors Yes Yes No Yes Yes
User Profiles Manager Yes Yes No Yes Yes
Printing
CTB color table files Yes Yes Yes Yes Yes
STB style table files Yes Yes Yes Yes Yes
PC3 printer configuration files Yes Yes Yes Yes Yes
PLOT command Yes Yes Yes Yes Yes
Programming
ActiveX, including in-place editing Yes Yes No Yes No
Entity data interface Yes Yes Yes No No
Script recorder Yes Yes Yes No No
New AutoLISP engine Yes Yes Yes Yes No
LISP vl-, vlr-, vla- and vlax- support Yes Yes No Yes Yes
LISP encryption Yes Yes No Yes No
Solutions Development System (SDS/ADS) Yes Yes Yes Yes No
New DCL engine Yes Yes Yes Yes No
New COM API (AutoCAD COM) Yes Yes No Yes No
Visual Basic for Applications (VBA) Yes No No Yes No
VBA DVB projects support Yes No No Yes No
BRX (Bricscad Runtime eXtension) New No No ARX No
DRX (DwgDirect) support Yes Yes No No No
CUI menu files support Yes Yes No Yes Yes
Legacy menu MNU and MNS file support Yes Yes Yes Yes Yes
Menu Diesel expressions Yes Yes No Yes Yes
Visual Studio 2005 (VC8) compatible Yes Yes No Yes No
Unicode C/C++ interface Yes Yes No Yes No
Licensing
Single Yes Yes Yes Yes Yes
Volume Yes Yes Yes No No
Network Yes Yes No Yes Yes
Academic Yes Yes Yes Yes Yes

(1) View only
(2) Partial