Dr. DivX 2.0.1 Beta 7 for Mac OS X
The goal of the Dr.DivX project is to build an application which is portable and capable of transcoding as many video formats as possible to DivX.
Dr.DivX can convert most input files including MPEG-1, MPEG-2, VOB, AVI, FLV, MOV, MP4 to DivX.
Dr.DivX is open source / free software released under the LGPL license.
Download: Dr. DivX 2.0.1 Beta 7 for Mac OS X