TabWorld.zip creates geo-registered MapInfo Tab files from TIFF, MrSID, or JPEG format world files (TFW, SDW, or JPW files) You must know the coordinate system of your world file in order to use this program.
cogo.zip A simple Coordinate Geometry (COGO) routine for MapInfo. Provides Traverse (input of bearings and distances) and Inverse (output in bearing and distance format).
RGB.htm is a JavaScript tool that will convert MapInfo style colors to standard Red Green Blue. MapInfo colors are defined as: (red * 65536) + (green * 256) + blue
Curve Calculator 1 and Calculator 2 are two JavaScript Circular Curve Calculators that do the same thing, but with a slightly different interface.