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

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. ... GFI Network Server Monitor tests the status of a service by actually logging on, testing and logging off, rather than deducing a service status from generated events (as other products do), which is the only real way to ensure server uptime!
http://software.gfi.com/networkservermonitor7.exe - 13Mb - Download - Screenshot

In-Out Board
In-Out Board is the cross-platform staff in/out tracking tool for your office. Users can easily set their status as well as leave notes (i. e. how they can be reached, when they'll be back). In-Out Board's status categories are fully customizable, and it can be customized to notify each user's... It requires no server and can be configured to connect remote offices over the Internet. ... In-Out Board uses our proven peer-to-peer networking engine.
http://www.glassbead.com/download/files/IOB_WinInstaller.exe - 2Mb - Download - Screenshot

Mobile TCP
Software for forwarding SMTP server connections to the correct SMTP server, made for people traveling with a laptop, connecting to different networks. Automatically checks the network status and detects changes, then by a set of IP/Mask rules Mobile TCP will select witch SMTP server to use. ... Features: Can check either external IP numbers (outside a firewall) or internal, Forwards SMTP connections to the correct SMTP server, Works silently in the background, Easy to copy your current IP numbers to the clipboard, Supports up to 10 simultaneous connections, The Status window shows...
http://www.klocktornet.com/download/MobileTCPSetup_11.exe - 1Mb - 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. ... PA Server Monitor can watch: Event logs on local and remote Windows servers CPU and memory usage Free local and server disk space Changed files and directories (great intrusion detection) Running Windows services Custom script results Local and remote directory quota monitoring Network Interface...
http://www.poweradmin.com/servermonitor/servermonitorpro.exe - 5Mb - Download - Screenshot

Simple Server Monitor
Simple Server Monitor is a powerful, yet easy to use server monitoring utility. It allows you to monitor the status of your servers and web applications from your desktop. Simple Server Monitor runs as a notification icon and you will be unaware that it is running - until a monitor fails. ... Simple Server Monitor also supports performance monitoring by charting the monitor response time and by logging (optional) all monitor queries to a log file and/or the event log. ... Supports Ping, HTTP/HTTP, FTP/FTPS, SMTP/SMTPS, POP3/POP3S, IMAP/IMAPS, and Custom monitors (supports SSL/TLS).
http://www.simpleservermonitor.com/files/setup.exe - 4Mb - Download - Screenshot

NTP Time Server Monitor
The NTP Time Server Monitor software allows the user to control and configure the NTP service for Windows with a userfriendly graphical user interface. Additionally it eases the handling with the NTP service. Here is a small list of the abilities and features this tool offers: - Switch easily... - The user can configure external NTP servers, which are also queried by the NTP Time Server Monitor and the status is also displayed. ... The status is automatically refreshed. ... - Display the current status of the running NTP service.
http://www.meinberg.de/download/nt.../ntp-time-server-monitor-0.9k.exe - 1Mb - Download - Screenshot

Site Status Checker
Site Status Checker is an Internet Software that includes in one place, several Internet tools like: Site's List Management, Traceroute, DNS Lookup, Finger, WhoIs, FTP Client, Internet Browser and Time Synchronize. Site's List Management is a feature that allows you build many fully customized... Site Status Checker has built-in Internet Web Browser which is a fully functional web browser built using Microsoft Internet Explorer technology. ... The program features also an FTP Client, which let you download from or upload files to an ftp server.
http://www.sprintbit.com/files/sschecker1.exe - 7Mb - Download - Screenshot

Linspect Commander
Linspect Commander is a software utility for Windows. It allows you to execute commands on remote Linux or Unix servers over an SSH-secured connection without logging in and running the commands manually. Linspect Commander can be useful for system administrators and programmers who often need... what is the current status of a running server system (who is logged in, what is in the access log etc. ... Using Linspect Commander you can set up commands you use most frequently and run them just by choosing a server from the list and clicking a desired command button.
http://www.linspect.com/product/lcomm/lcinst.exe - 488Kb - Download - Screenshot

Server Website Monitoring Tool
It is a server monitoring tool that detects network and estimate website, application and server uptime and downtime. Software also detects that your internet connection is active or not. It is a network traffic indicator and efficiency analyzer that help in increasing the website performance. ... Just enter your Network IP or website domain name in Expert webmaster tool and It will ring alarm tone, when your network or website is Down or not responding due to any error including Connection Failed, Host not Found, Bad Request, Server Not Found, Low Bandwidth, Low Connectivity network...
http://www.ddipro.com/freeware/ExpertWebmaster.exe - 961Kb - Download - Screenshot