Berkeley Packet Monitor   
http://homepage.mac.com

Berkeley Packet Monitor is a Mac OS X network traffic monitoring and diagnostic utility.

File Monitor   
http://lowestech.net

LTC File Monitor software allows you to compare a local file with a remote file easily. This can be over any network connection. The software is designed to verify web page content at the binary level. This helps protect and detect when your page content is changed. The software uses your SMTP server to send text based emails to your email enabled cell phone, pager, and your Inbox. Features available are: -Select local files to verify against remote files -Monitor network or http:// files -Easily manage file list -Live status of file verification - scrolling -Select how often to verify the file list -Select your own sound file for the alarm -Send emails -Add multiple CC's to the alarm email messages -Select alarm frequency (when triggered) -Turn monitoring on/off -Easy to read colour coded screen --Red is bad, yellow is caution, and green is good. --*Designed to give you information at a glance. -Simple, easy to use screen -Try it before you buy it!

A1Monitor Network Monitor TCP or Web   
http://www.alltracksgone.com

Monitor multiple web or TCP servers (http, https, ftp, pop3 etc.) Receive email notification by email or pager if any can't server can't be reached a number of times in a row. A1Monitor can reboot your NT server or run a batch file or program for you. Supports http, https, ping, ftp, telnet, pop3, smtp, dns, imap, dns, or any other TCP port you want. Monitor Ping requests to any IP address. Server response time graphs. Runs as an NT Service. Specify text you want A1Monitor to watch for. Email Notifications when servers go down and when they come back up. Reboot a local or remote computer when server failures occur. Run a batch file (*.bat) or .exe when server failures occur. Runs minimized in the system tray. Response data logs (failures etc.) Support for http proxy server for http and https monitoring. Supports URL basic authentication (http, https only).

ActMon Computer Monitoring Software   
http://www.actmon.com

ActMon CM is the all-round state-of-the-art Computer and Internet recording software, useful at both home and organizational levels. It is an effective monitoring utility which can locate your problem area without being located itself. It tracks all the computer activities and applications, including keyboard strokes, passwords, incoming and outgoing chat conversations, emails, and visited websites. Features which make it unique are its powerful keyboard logger - so powerful, it even logs the keystrokes entered during Windows 2000/XP login. And ActMon has a unique "kernel-level" file protection: Files are not just hidden! They are completely inaccessible to unauthorized users. Files cannot be removed or manipulated by an unauthorized user or so called spyware "cleaner" applications or any other Windows software! View all computer activities with the built-in screenshot recorder. It displays the current window or program that is running on your computer. All information is stored in strongly encrypted, compact log files, that can be easily archived. ActMon can hide the logs on the monitored PC or send them via network or email. The monitoring can be opted to be invisible to the user and ActMon is protected against manipulation: The program runs completely maintenance free. Activity data is sensitive data, and ActMon prevents unauthorized access to the log files and screenshots using the strong U.S. government approved AES/Rijndael 256-bit encryption. The interface is comprehensive and user-friendly. It has a wizard-driven installation making it extremely easy to set up and use. The setup is password protected thereby preventing unauthorized uninstallation. The PRO Edition has flexible network functions to send and receive reports via the Internet or the corporate LAN. It is a better alternative to standard filtering and blocking software because those who brought this tool for you made this tool not only user-friendly but a friend of the user too.

DEKSI Network Monitor   
http://www.deksoftware.com

DEKSI Network Monitor is an advanced, powerful, and feature rich tool that monitors servers located on your local network and the Internet. DEKSI Network Monitor will allow the Administrator to increase the reliability and productivity of your corporate servers. After problems are found on the monitored servers DEKSI Network Monitor will first try to correct the problems. If DNM cannot correct the problems it immediately notifies the Administrator about the problem via e-mail, sms or a network messaging service. Using DEKSI Network Monitor the Administrator is aware about the state of their servers at any time. The program can be installed on any Windows 95, NT, 2000, XP, Server 2003 machine and can monitor the servers with any operating system (Windows, Linux, Unix, etc.)