Radar Website Monitor is a multithreaded website monitoring tool, watching different protocols, including HTTP(S), SMTP, POP3, FTP, TCP. It can log the server performance, generate real-time reports, and notify you upon detection of problem or error.

A Network (LAN) Messenger with File Transfer, Reminder Service and Logs. Message Encryption with Blowfish Algorithm. Multicasting and Broadcasting Supported. Multiple File Attachments Supported. Attractive Interface and Easy to Use.

By far the most feature - filled spy software you must have come across. WatchDog 2.0 from Rhombus Technologies has the features mentioned below :
1) Key Log Capture
2) Instant Messenger Capture (MSN & YAHOO).
3) Application Log Capture ...