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

ShadowIMSniffer
Shadow IM Sniffer - ICQ Sniffer, MSN Sniffer, AOL Sniffer, Yahoo Sniffer. Safety Lab Professional Business Version ICQ/MSN Monitor-Sniffer. ICQ/MSN Monitor-Sniffer is a handy network utility to capture and log/monitor ICQ/MSN Instant Messages from computers within the same LAN. ... Just run ICQ/MSN Monitor Sniffer on any computer on your network,click the start button to capture. ... ICQ/MSN Monitor Sniffer supports messaging through ICQ/MSN server with formats of plain text,RTF or HTML. ... Safety Lab ICQ/MSN Monitor Sniffer will record any conversation from any PC within the same LAN.
http://www.safety-lab.com/SIMS.exe - 4Mb - Download - Screenshot

IPSentry Network Monitoring Suite
Use this software to monitor your network servers and devices 24 hours a day, ensuring that your e-mail servers, Web sites, FTP servers, news servers, routers, and other devices and services are active and responding. In case of a failure, you can be notified via various methods such as Beeper,...
http://www.ipsentry.com/dlfiles/ipset470.exe - 14Mb - 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

PMP
PMP is a performance monitor for remote/multiple Windows servers. You can monitor the real time CPU, memory and disk usage status from the several networked servers and can be notified for the specific server status. In addition to the basic alarming methods, PMP provides email notification,... PMP also provides HTML reporting and you can share it with other staff.
http://www.eastbow.com/pmp/download/epmp.zip - 813Kb - Download - Screenshot

Overseer Network Monitor
Award-winning Windows-based network/system monitoring software designed to monitor websites, network devices, services, event logs, available disk space servers, etc. Notifications are sent via Email(including cell phone/pager! ) and/or net send. Overseer supports monitoring multiple types of... Ping allows you to monitor any computer or network device to make sure it is connected to the network. ... The Windows Event Log resource type allows you to monitor event logs from your Windows computers.
http://www.overseer-network-monitor.com/downloads/overseer.exe - 7Mb - Download - Screenshot

EF System Monitor
What the EF System Monitor is and what you can do with it: * A comprehensive tool which provides you with a permanent record of information like memory space, hard disk usage, date, time, user name, etc. about all the computers running on your network. ... * The EF System Monitor can not only show you the data from your local computer, but can do much more: With the EF System Monitor Server (included in the package) you can collect and display the data from remote computers such as a TCP/IP network.
http://www.efsoftware.com/sw/efsysmon.zip - 896Kb - Download - Screenshot

NETWatch
NetWatch is a program that keeps IT staff informed about their network infrastructure - wherever they are! Designed for Microsoft Windows, Novell NetWare, UNIX and a range of Internet services such as web servers, NetWatch 2 monitors them all - logging important data, plotting trends and... Users can log and plot key data such as web page or email server performance, server memory, disk or network indicators - or the 'Tell me When' feature can be used to automatically generate alerts by pager, email and more.
http://www.sharpeware.com/pub/netwatch.exe - 7Mb - Download - Screenshot

HDD Temperature SCSI
There are many reasons why hard-drives get damaged, and overheating is probably the most common one. If you remember your physics lessons well, you know that spinning something at several thousand revolutions per minute causes heat. That is why servers and computers have coolers, fans and other... For example, it can monitor several HDDs simultaneously and can send warning messages to a specified e-mail address or to a certain computer in the network. ... So how do you monitor your HDD temperature to make sure you data is always safe?
http://www.hddtemp.com/hddtscsi.exe - 2Mb - Download - Screenshot

Little:eye
CBR little:eye, which is developed for management of IT infrastructure of enterprise and provides management of fault, performance, inventory and configuration is the closest assistant of system administrators through impressive user interface and usability . ... Little:eye network management software performs all of the functions expected from standard network management software like: Maps(AutoDiscovery) Monitoring Fault Management Remote Control Inventory management for Windows Web based reports Performance Monitoring CISCO device monitoring MOTOROLA device monitoring SNMP Device...
http://www.cbr.com.tr/cbr/littleeye/littleeye.exe - 16Mb - Download - Screenshot