The #1 download so far this month is a USGS quad grid, in ArcView SHP format, Geographic (Lat/Long) projection

Recent software additions include:
Geo Tran - This coordinate conversion utility is awesome! Make quick, accurate conversions between various systems of location, including Alberta legal land descriptions (ATS), latitude and longitude (lat-long) and UTM coordinates.

Triangulator - a MapInfo plug-in for creating contour maps, interpolated grid maps, aspect and slope maps, and Voronoy polygons from any point map.

Profiler - a tool to create contour-profiles with ArcView

Data Download - Nick Nazarenko, Center for Applied Geoinformatics TerraSpace (www.terraspace.ru) recently contributed this free GIS data - a world 1 : 11 000 000 political map in native MapInfo Tab format.