1)   Advanced Host Monitor 5.92
HostMonitor is a system management tool that continuously monitors servers availability and performance. It has 56 test methods, 27 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)   FlexTracer 2.3 Beta
FlexTracer is a powerful tracer of DLLs and SQL-statements for various RDBMS. It creates the history log of all invoked operations. It supports Oracle, MS SQLServer, MySQL, Interbase/Firebird, ODBC, Advantage server, ADO, file and registry operations
SQL Server tracer, Oracle tracer, MySQL tracer, Interbase tracer, ODBC tracer, file monitor, registry monitor,

 3)   nnCron 1.91b12
Advanced scheduler, reminder and automation manager with powerful scripting language. It can start applications, display messages, dial and hang up, shutdown/hibernate and wake up your PC, manage clipboard/files/registry, run tasks as specified user
scheduler, reminder, automation, cron, crontab, macro, winspy, regex, script, hotkey,

 4)   fileWATCH 5.01
File monitor and registry monitor. Track file system and registry changes. Monitors the changes in the hard drive(s) and registry on your system using saved catalog files.
registry monitor, uninstall, uninstaller, install monitor, install, registry, active registry, file monitor, monitor, extra files,

 5)   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,