Windows NT

Advanced Toolware
NT and W2K tools for disk quotas, user and domain management, and security.
http://www.advtoolware.com/

Computerstructures
Using NTBACKUP supplied with every Windows NT license for backing up critical files
http://www.computerstructures.com/nt_backup.htm

LabMice.net
Offers annotated resource directory for Windows users and administrators with a searchable index of thousands of Windows 2000/NT resources.
http://labmice.techtarget.com/

Managing Windows Systems
Automatically monitors a Windows environment 24x7 and provides the alerting, querying and reporting tools to maintain the highest levels of availability and performance for the business-critical services provided by the IT infrastructure.
http://www.windowsmanagement.co.uk

MysaNiTy
Creates, manages, moves, deletes user accounts, and controls workstation and desktop security, and drive and printer mappings for Windows 2000 and NT4 Server networks.
http://www.my-sanity.com/

NeoTech - Windows NT Tips and Tricks
Bacis help for Windows NT users. (NT/FTP/SQL)
http://www.neotechit.com/

Network Tools : Lyonesse Software
Disaster Recovery, Security, Network Analysis, General Admin - Software for NT administrators.
http://www.lyonware.co.uk

Restrict logons to NT, Citrix MetaFrame, Terminal Server, Windows 2000 by Users, Groups and Applications Metering
Restrict, meter, concurrent use of server logons, applications and RAS sessions by users and groups. Single signon or multiple signons to servers and applications.
http://www.serverboss.com/

Software Tips and Tricks
Tips and Tricks for Windows NT
http://www.softwaretipsandtricks.com/tipsandtricks/windows2000_xppro.php

SysInternals
System utilities for Windows NT/2000 including NTFS driver for DOS, FAT32 driver for NT and NT Undelete program. Most with source code, good for system administrators and system programmers.
http://www.sysinternals.com/

USB for Windows NT
USB tips, tricks, troubleshooting, drivers, software, news, kinks and information for Windows NT
http://www.usbman.com/Win%20NT%20USB%20Guide.htm

Wayne's NT Resources for Administrators and Users
Includes Windows NT registry index; nt tips and tricks for admins and users; focus on utilities and security resources and tools; penetration testing tips
http://is-it-true.org/nt/

Windows Hardware Compatibility List (HCL)
Microsoft's official list of hardware that works under any Windows OS. Other hardware may work but Microsoft will not support it.
http://www.microsoft.com/whdc/hcl/default.mspx

Windows NT for Compaq / DIGITAL Alpha
Systems platform support for Alpha and Windows NT hardware porting list and Windows NT V4.0 Service Pack 6 for Alpha Systems.
http://h18000.www1.hp.com/support/files/alphant/

The Windows NT Resource Center
Software, answers, sites, consultants, jobs, resumes, and anything about Windows NT.
http://products.enterpriseitplanet.com/

Windows NT Tools 4 Ever
Provides NT tools for solving problems, disk quota management, user management, server management and editing System Policy Templates.
http://www.tools4ever.com/

WindowSecurity.com
A one stop Windows NT and 2000 portal with links, tips, faq, downloads, and news.
http://www.nttoolbox.com/

WINNT-INET - Windows NT on the Internet Mailing List
Mailing list about WinNT's implementation of DNS, WINS, TCP/IP and DCHP.
http://www.neystadt.org/winnt/winnt.htm