Spy4PC   
http://www.spy4pc.com

Spy4PC is the most affordable and powerful spy software for windows, monitor all computer activity and Internet use. It can automatically track visited website addresses, and log work time on each application. * Application usage recording * Keystroke recording * Screenshot recording * Email recording * Chat/Instant Messaging recording * Website Recording * Totally Stealth in windows

Pcspy   
http://www.spymode.com

This amazing software package is installed on any computer and installation takes only a few seconds. Once installed, it sits hidden away in the system and is undetectable. No one will ever know it is there except you. It will then monitor all keyboard activity, page titles, websites visited, passwords, email and more. The user will be able to save and view all activities simply and quickly. The logs are encrypted and Pcspy will also email the logs to a pre-defined email address of your choice at set intervals if required so you need never return to the PC! Even using the Ctrl+Alt+Del buttons will not reveal or disable the program, only the user is able to do this and Pcspy starts up automatically each time the PC is turned on. The program has been designed for pure simplicity of use and installation takes only a few seconds. The program can be saved on a floppy or CD for quick installation on any PC and the software is password protected so only the user has access.

SpyAgent   
http://www.spytech-web.com

Worried about how others are using your computer - or what they are doing - while you are away? Employees abusing your workstations? SpyAgent is the powerful, award-winning spy software solution, that can log all keystrokes, emails, windows, websites, applications, internet connections, chat conversations, passwords, print jobs, documents viewed, and even screenshots! SpyAgent runs in complete STEALTH with optional EMAIL Delivery and logging and lockdown scheduling. Record any actions on your PC with this powerful full featured PC SPY! SpyAgent is used by home users and businesses alike - as it provides the most comprehensive data logging that can be found anywhere. No activities done on the PC escape SpyAgent's logging! SpyAgent also features powerful filtering and access control features, such as Chat Blocking (to restrict access to chat software), Application Blocking (to prevent specific applications from being executed), Website Filtering, and more! SpyAgent is not only an award-winning PC Spy, but also a powerful activity filtering package.

SystemSleuth   
http://www.systemsleuth.com

SystemSleuth is a feature rich computer surveillance program that secretly monitors all activity on your computer. You can view the encrypted logs locally or have them sent to any email account. SystemSleuth allows you to view emails, passwords, instant messages, webcam images, printer activity, visited websites, microphone sounds, keyboard activity, and much more. With the time lapse screenshot feature you can fast forward, rewind, and pause the results, just like a movie. Now you can finally see what your loved ones are really doing on the computer when you are not around.

TupInsight   
http://www.tupsoft.com

TupInsight is an easy-to-install and -use Internet activity monitoring and web access control system. It uses a computer on a local area network (LAN) not only to monitor and record other hosts' web behaviors, but also to restrict online activities according to customized filtering Internet policies. The main functions and features of TupInsight can be summarized as follows: (A) Capturing all Emails sent/received on the whole local network; (B) Snapshoting all the webpages viewed on the whole local network and copying all the uploaded/downloaded FTP files; (C) Monitoring chat sessions (such as Yahoo, AOL, MSN, and ICQ), game activities, and other use of online applications self-definable by the administrator; (D) Enforcing web access control according to the administrator's customization; (E) Scanning and detecting host names and grouping hosts into different classes for better workgroup administration; (F) Based on the client/server architecture to support distributed management of data; (G) Easily archiving and searching records, and exporting data to support statistics and report preparation; and (H) Featuring an easy-to-navigate user interface.