HDC Monitoring
HDC Monitoring is a Monitoring software for Windows. It analyses, logs, displays, alerts about harddisk, services, performance, network port from hosts such as servers and desktops.
http://www.netmakers-ingenierie.fr/starti-x/products/hdcmonitoring.zip - 6Mb - Download - Screenshot

Serial Port Monitoring Control
Serial Port Monitoring Control (SPMC) - RS232 Data Acquisition and Com Port Control Component Library, Modem Access Component. Connection Sniffer and Port Test Software Library. The library lets you enumerate all installed serial devices, including, but not limited to serial ports and modems. ... You can also detach from the device at any time. ... Supporting a wide variety of programming languages and platforms, the SPMC library makes it very easy to start using it in your software project. ... The Monitor object can be attached to the device at any time, no matter if the device is being...
http://www.hhdsoftware.com/Download/hhdspmc.exe - 470Kb - Download - Screenshot

IPMonitor
IPMonitor is a sophisticated network monitoring solution that allows network administrators, webmasters, and Internet service providers to monitor any networked device on the Internet, corporate intranet, or TCP/IP LAN and receive alerts immediately via audible alarm, message, e-mail, or... Main features: runs as a system tray application automatically on startup, monitors up to 500 network devices or services simultaneously, allows quick network resource configuration, allows all parameters to be set independently for each network resource, permits you to temporarily disable monitoring of...
http://ipmonitor.tsarfin.com/downloads/ipmonitor.zip - 1Mb - 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. ... All monitoring is done without notice to the computer user. ... IMSurfSentinel spy software is available with a free 30 day fully functional trial and can be purchased for $19. ... 95, a fraction of similar spy software. ... Finally, instant messenger conversations, browsers and other programs can be shut down automatically if...
http://www.imsurfsentinel.com/agsetup.exe - 2Mb - Download - Screenshot

User Monitor
The User Monitor is a program that performs hidden monitoring of a user's actions. The User Monitor controls all of the user's actions that were performed on the computer, it also provides information about the time spent on the computer, about the programs that were used and about the time... With the help of the User Monitor you can control and perform hidden monitoring of your employees' actions, and you can learn how much time they spend on ICQ or Web surfing and also more importantly on the work itself.
http://www.lizma.com/downloads/LizmaUserMonitor.exe - 4Mb - Download - Screenshot

IPCheck Server Monitor
IPCheck Server Monitor 5 helps organizations monitor critical network resources and immediately detect system failures or performance problems. It offers reliable network and website monitoring using Paessler's IPCheck? Technology, fast and easy installation, support for Windows NT/2000/XP/2003... Various sensor types including PING, PORT, HTTP, HTTPS, Advanced HTTP, HTTP Transaction, DNS, SMTP, POP3, SNMP and custom sensors are supported for in depth monitoring of almost any network device. ... The Freeware Edition monitors up to three sensors and is limited to PING, PORT and HTTP sensors...
http://download2.paessler.com/download/ipcheck.zip - 16Mb - Download - Screenshot

EventTracker for Windows
EventTracker provides a centralized, scalable, enterprise class solution for real-time event log management, analysis and reporting for Windows NT/ 2000 / XP. EventTracker for Windows empowers you with the knowledge of event activity patterns that result from application behaviors and helps you...
http://www.prismmicrosys.com/eventtracker/eventTracker-download.htm - 11Mb - Download - Screenshot

Usage Monitor
Usage Monitor lets you set watch limits on processes to know when your process is using too much. Watch limits can be placed on Memory Usage, GDI Objects, and USER Objects. This is a great tool for any developer.
http://www.veign.com/downloads/umon.zip - 2Mb - Download - Screenshot

Net Monitor for Employees Professional
The Net Monitor for Employees Professional allows you to see live screens of remote computers. This way, you can always watch what users are doing on the remote computer. Additionally, you have the ability to take control of a remote computer by controlling the mouse and keyboard; this is... For lowering your business costs by monitoring what your employees are doing on their computers and helping them when they call you. ... For monitoring students in the classroom to achieve better discipline or, just to assist them (by using the remote control feature) when they are in trouble.
http://www.networklookout.com/dwn/nmemplpro.exe - 3Mb - Download - Screenshot

Free Disks Monitoring Software
Free network disk usage monitoring for Windows servers and workstations. Automatically scans your network for disks and adds them to your monitoring dashboard. Smart scheduling minimizes network load. The monitoring dashboard supports automatic sorting, has a configurable layout, and displays an... When performing maintenance on a server, you can suspend monitoring for selected disks in the dashboard. ... No trial period and no functionality restrictions.
http://www.tools4ever.com/products/monitormagic/ - 1Mb - Download - Screenshot