Serenade.com

ServerBoss
Restricts and meters concurrent use of server logons, applications and RAS sessions by users and groups. Supports single signon or multiple signons to servers and applications.
www.serverboss.com/

Windows XP Software Compatibility Site
A list of applications and games, detailing whether or not they run on Windows XP. Users can submit results with applications they have tried.
www.xpsc.net/

O&O Software
Offering a variety of disk management solutions for Windows including tools for defragmenting and data recovery.
www.oo-software.com/

Systems Internals
System utilities for Windows NT and Windows 95/98. Includes NTFS driver for DOS, FAT32 driver for NT and NT Undelete program, most with source code. Very good for system administrators and system programmers.
www.sysinternals.com/

Troubleshooting and Resource Guide for Windows 95/98
An extensive troubleshooting and resource guide for non-technical users of Windows 95 and 98. Contains shareware programs, links, tips, hints, and procedures for Windows operations.
www.toejumper.net/

Windows NT Tips, Tricks and Registry Hacks (JSI)
Over seven hundred tips in a searchable database. Excellent format and content. New tips added almost every day.
www.jsiinc.com/

Bart's Preinstalled Environment (BartPE) bootable live windows CD/DVD
Put Windows XP on a live CD.
www.nu2.nu/

SyncSort for Windows
Minimizes sorting time for large volumes of data and significantly improves the performance of enterprise applications.
www.syncsort.com/

Kermit 95 for Windows 95/98, Windows NT, and OS/2
Freeware terminal emulation and file transfer package, with scripting capabilities and multiple character sets, for modem, standard or secure TCP/IP, serial, DECnet, and NetBios connections.
www.columbia.edu/

Show Me Windows XP
Video tutorials CD-ROM that shows beginners the essential skills needed to master Windows XP [Commercial Software].
www.showmewindows.com/