VertCheck Use this program to examine AutoCAD dwg and dxf files for z differences. It examines the vertices and builds a dwg file of your chooses version with point features in it.
PK GIF Optimizer PK GIF Optimizer is a nice utility you can use to easily optimize gif graphics for your website. Many of the files will be significantly smaller with no noticeable difference in quality.
Corona A software that uses freely available GIS data from the Internet to produce satellite-like image of the earth. Resolution is 1 Km/pixel. Emphasis is on ease of use and customization.
AutoGeometer AutoGeometer is a powerful interactive tool for Windows that lets you create any plane geometry and any analytic geometry graphics for word processing and desktop publishing documents, web pages.
Xtracta Xtracta allows you to extract block attribute values from AutoCAD drawing files at lightning speed without even owning a copy of AutoCAD!
Icon Collector The Icon Collector searches files and directories for icons. Found icons are listed and can be copied, extracted and saved as icon or bitmap files.