DependencyWalker - Check Dependencies to EXE Files RockXP - Find Product Keys to Microsoft Products IPNetInfo - Information on IP Address and Webaddresses, Checks Whois and pulls info AdvanceLanScan - Network Scanning System HoverIP - IP Scanner, Includes NSLookup Info/Router Table Info/Ping/Traceroute NetStumbler - Wireless Connection Scanner VLC Player - Media Player with many codecs already installed HTTrack - Download Websites to local drive CyberShred - File/Folder Permanent Deletion QuickBatch - Create EXE files from BAT files On a 128MB USB Drive - Takes about 50MB - I am Still Adding things. I also keep (relatively) up-to-date virus definition files, Symantec Removal Tools, installation files for non-portable apps that I might need to run on a given client machine, and of course, a backup extensionless Portable Firefox for fast loading on problem computers. Multires (Forces changes in screen resolution) Easy Thumbnails (Simple image size/compression manipulator)