Mini Key Log
Mini Key Log makes it possible for you to monitor and record user activities unnoticed and store this in log-files. This log-files are fully searchable for specifically keywords and sorted after user names and time. The monitoring process is completely invisible and easy to use.
http://www.blue-series.de/download/MiniKeyLog.exe - 555Kb - Download - Screenshot

IMSurfSentinel
IMSurfSentinel spy software is the perfect Internet Monitoring solution. It allows you to secretly monitor and control Intenet and computer use. With this spy software, you can monitor and log instant messenger activity, browser activity and keyboard activity. ... IMSurfSentinel spy software is available with a free 30 day fully functional trial and can be purchased for $19. ... All monitoring is done without notice to the computer user. ... 95, a fraction of similar spy software. ... In addition, logs of instant messenger conversations, browser activity, keystroke logs and keystrokes can...
http://www.imsurfsentinel.com/agsetup.exe - 2Mb - Download - Screenshot

Sentry-go Quick File Monitor
The Sentry-go Quick File Monitor allows you to quickly & easily monitor changes made to both local and remote files, the contents of those files, directory changes & structure modifications, entries written to local Event Logs. If problems are detected, it can either take automatic action, or... Monitoring Features: The availability of local or remote files or directories; Check the overall size of a file, some or files all files or directories/sub-directories; Be alerted when a file is updated within a given timeframe, or when no changes are made to a file - ideal to ensure files are...
http://www.3ds.co.uk/sentry-go/shareware/qfile.exe - 4Mb - Download - Screenshot

NetVizion
Monitor your critical Internet services from anywhere on the Internet without the need for a daemon process on the servers being monitored. Monitor multiple IP addresses as a single item. Customize notifications and log file generation. Developed in a major ISP environment NetVizion has all the... NetVizion is also suitable for home users who wish to monitor their own web site and keep their ISP honest.
http://www.networktoolz.com/downloads.asp?product_id=1 - 4Mb - Download - Screenshot

Easy Network Service Monitor
Easy Service Monitor is a network fault management tool that continuously monitors network devices and services. If something went wrong, it will alert you by email/phone/pager BEFORE problems get seriously out of hand. A detailed log file will record every event of the monitored targets and can... You can configure the system so that when something goes wrong, a set of actions, such as execute a program, reboot server or update web page, will be triggered.
http://www.javvin.com/emonitor.exe - 2Mb - Download - Screenshot

GFI Network Server Monitor
GFI Network Server Monitor automatically monitors the network & servers for failures. It allows you to identify issues and fix unexpected conditions before your users (or managers) report them to you! Alerts can be sent by email, pager or SMS, for instant problem notification. ... You can also write custom monitor functions in VBscript and leverage ADSI and WMI, allowing you to monitor virtually anything. ... GFI Network Server Monitor is easy to set up and use, and is competitively priced. ... Built-in monitoring rules include: Exchange Server 2000/2003, MS SQL, Oracle and ODBC databases,...
http://software.gfi.com/networkservermonitor7.exe - 13Mb - Download - Screenshot

PA Server Monitor Free Edition
PA Server Monitor has powerful features that are very simple to setup. The Free edition monitors web pages, ping response and the Windows event log, and response actions that can send SMTP email notifications, reboot the server, and more. Reports can be generated about most monitored resources. ... See Server Monitor at PowerAdmin. ... Our smart alerting will tell you about a particular problem once, and then tell you when it is fixed (instead of the constant stream of mindless 'still broke' messages that other products send).
http://www.poweradmin.com/servermonitor/servermonitorfree.exe - 5Mb - Download - Screenshot

LogMeister
LogMeister is a powerful solution to centrally monitor and analyze virtually any log your systems and applications can generate including Event Logs, text logs, RSS and more. It can be used for many purposes, including early detection of security violations and hardware failure, detecting... The LogMeister log viewer presents gathered log data in a consistent, easy to read format. ... If these are detected LogMeister can perform a variety of actions and alerts including sending email, writing to log, running scripts, batch files or applications and displaying popup messages and sound alerts.
http://dl.filekicker.com/send/file/177794-6D45/logm2410.exe - 3Mb - Download - Screenshot

PA Server Monitor
PA Server Monitor is a Windows service that monitors the health and availability of Windows servers, network services (on Windows, Linux and other operating systems), and devices. No agents are needed to monitor remote servers. Also includes rich reporting on most monitored resources. ... It can monitor Windows servers, network devices, web sites, and any network drive that Windows can access. ... Server Monitor installs fast and can self-configure even faster. ... Server Monitor is easy to install on your Windows 2000, XP and 2003 servers.
http://www.poweradmin.com/servermonitor/servermonitorpro.exe - 5Mb - Download - Screenshot

CheckSpace
With CheckSpace you can monitor the free space of one or more harddisk drives or partitions. Also, you can monitor directories, so that it worked like a disk quota. If the drive or directory reach a defined limit, CheckSpace sends a warn e-mail to an user defined address. ... The event log monitor sends you the new entries by mail if they are written in the log. ... The file monitor controls the file properties and the http monitor checks when your website is on or off error. ... The CPU usage monitor controls the CPUs and perform an action when it breaks a limit.
http://download.kosiol.com/checkspace.zip - 3Mb - Download - Screenshot