Block Ctrl-Alt-Delete in Windows 2000 and Windows XP... (who said that it could not be done?) KeyTrap is a programmer's tool for Microsoft Windows that allows you to trap key presses and optionally block them. KeyTrap offers a rigorous key trapping solution for all (Win32) versions of Microsoft Windows and for all keys. KeyTrap maintains the keyboard state and a key queue internally, so blocked keys can still be detected by your program.

• License: Shareware
• Language: English
• Release: 2003-11-12
• Size: 528 Kb
• Cost: 190.00 $

Keylogger King Pro can be used to monitor how your employees use their work-time and to log all textual data typed by them. This program logs all applications running, all user's keystrokes and grabs screenshots. The program works in a stealth mode. It is not visible in the Windows Task Manager. The program also monitors the Windows Clipboard and addresses of pages opened in a Web browser. Log files can be automatically sent to an e-mail address.

• License: Shareware
• Language: English, ChineseSimplified, ChineseTraditional, Danish, French, German, Hungarian, Portuguese, Romanian, Spanish
• Release: 2005-11-24
• Size: 1 Mb
• Cost: 39.95 $

SuperKeylogger is professional yet very easy to use key logging software for big and small companies, network administrators, concerned parents and PC owners. It can be used as employee monitoring software or parental control tool that monitors all computer activity, Internet usage, keystrokes, passwords, outgoing e-mails and much more with remote installation.

• License: Commercial
• Language: English
• Release: 2005-10-21
• Size: 1 Mb
• Cost: 39.99 $

Diplodock System Spy is a unique computer surveillance utility that helps many people worldwide securely monitor their PCs for keyboard and mouse input, hardware and software usage, internet access, and much more. Unlike other PC monitoring tools, System Spy keeps a very detailed record of what has been happening on one’s computer, and can be run in the stealth mode.

• License: Shareware
• Language: English
• Release: 2002-07-01
• Size: 2 Mb
• Cost: 25.00 $

Keyboard Guardian is an advanced key logger that helps thousands of people worldwide safely monitor their PCs day and night. Unlike other key loggers, Keyboard Guardian can operate in the stealth mode, being invisible to most users, and it has an automatic emailing feature that can securely send all log files to the specified address.

• License: Shareware
• Language: English
• Release: 2001-05-10
• Size: 1 Mb
• Cost: 15.00 $