1)   Advanced Host Monitor 7.20
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 60 test methods, 30 alert methods, highly flexible report and log manager. Package includes Log Analyzer, Web Service and other utilities.
monitor, network monitor, LAN monitor, host monitor, IP monitor, snmp monitor, web monitor, cpu monitor, SQL Monitor, advanced monitor,

 2)   MultiMon 2.00
MultiMon is an advanced multifunctional system monitoring tool for Windows which displays highly detailed output of a very wide range of activities in real-time. It is an indispensable tool for system administrators,developers and support engineers.
sysmon, system monitor, registry monitor, regmon, file monitor, filemon, file system monitor, filesys, thread monitor, process monitor,

 3)   FileWatcher 3.2
Continuously watch folders for new files matching a wildcard, then trigger a custom action, such as running a second program with the new files. Files are processed only when completely written - perfect for huge files such as video, use with FTP
file watcher, watch directory, watch file, watch folder, watch directory, watch ftp, ftp watcher, watch ftp, ftp watcher, monitor file,

 4)   Adragon Firewall 7
deny copying/opening/modifying/finding/deleting any specified file;log any access to system files/registry keys;can work without running the main program;
deny copy, no run, access control, file monitor, registry monitor, file safe, system security, system log, no open, no modify,