4DOS / 4OS2 / 4NT - Command.com or CMD.EXE replacement with filename expansion, enhanced batch commands.
Canyon Software - Drag-n-file, Drag-n-zip for Windows.
Norton Ghost - High performance disk cloning software.
Norton Utilities - Norton Utilities helps you solve most PC related problems for systems running Windows 95/98/NT/2000
PC-Doctor Inc - Leading devloper of Hardware Diagnostics for PC's