ConnoMon
Online server monitoring system to check if any of your online servers have gone off line and warns you by flashing and icon in your tray that there is a problem. Open ConnoMon will indicate which server has stopped working. The system operates by constantly pinging the servers, when there is a... Simple but very effective. ... There is no limit to the number of servers it will monitor but in demonstration mode you are limited to only two servers.
http://www.turntidesystems.com/download/InstallConnoMon.exe - 4Mb - Download - Screenshot

NTP Server Monitor
TimeTools NTP Server Monitor is a free software utility that runs on any Windows platform, workstation or server. It allows any number of NTP time servers to be constantly monitored. Any servers that are operating outside of pre-set tolerances are highlighted. ... It can also, optionally, synchronise system time with the optimal time server reference.
http://www.timetools.co.uk/ntp-servers/ntp-server-monitor.zip - 64Kb - Download - Screenshot

RebootIT
Server-Side application that restarts servers on a configurable schedule. Email notifications are available for server prior to reboot and then after. An email notification is sent out. Allows you to monitor all your servers from your mail box. Enterprise console management tool allows you to... Free servers which have the User Interface locked by rebooting the server gracefully in the back end. ... It's all automated. ... You can configure RebootIT remotely using the RebootIT Console. ... Best of yet, it does not require a technician.
http://www.lohja-associates.com/rebootit/rebootit.zip - 546Kb - Download - Screenshot

Diskeeper Server Standard Edition
With files being constantly created, modified and deleted, disk fragmentation on your servers builds up with alarming rapidity-so quickly, in fact, that it can begin to impact server performance within a matter of hours. Keeping your servers defragmented with a manual or single-pass solution... Now there's a way to stop server fragmentation in its tracks with no downtime: Diskeeper 9 Server Editions. ... Diskeeper 9 isn't just a defragmenter with a scheduling function-it is the Number One Automatic Defragmenter designed to run undetectably in the background, maximizing server speed and...
http://www1.execsoft.com/trialware...eper9_ServerStandard_TW_30day.exe - 16Mb - Download - Screenshot

Session Server for Windows
Session server for Windows has built-in fail-over protection and load balancing which allows use of up to 1000 session servers with an unlimited number of web servers. A session "sticks" to a session server not by IP as in the case of a local director, but based on session ID so that the browser... In practice, since a single session server is capable of maintaining tens of thousands of sessions, the scalability of the web farm is unlimited.
http://files.db3nf.com/download/SessionServerDemo1.zip - 990Kb - Download

Autoroute SMTP
Autoroute SMTP (ARS) is designed for automatic switching between SMTP servers depending on what network you are currently working in. E. g. you have two Internet service providers - FIRST and SECOND. Normally, IP address authorisation is used for SMTP servers, therefore when you are connected to... Normally, in that situation user has to get a e-mail address from a free mail server and use its SMTP server to deliver mail, though server of ones ISP ensures much faster and more convenient delivery.
http://www.mailutilities.com/ars/ars.zip - 111Kb - Download - Screenshot

MultiDNS
Globesoft MultiDNS forwards DNS resolution requests to a list of secondary DNS servers, one by one, until the request successfully has been carried out and the name has been resolved. If any of the secondary DNS servers respond, but fail to resolve the name, then Globesoft MultiDNS proceeds with... However, when using Globesoft MultiDNS, the adapter must be configured to use only the local DNS server, provided by Globesoft MultiDNS, and the DNS server list must be transferred to the configuration section of Globesoft MultiDNS.
http://www.globesoft.com/bin/MDNS.exe - 0b - Download - Screenshot

ZFilter
ZFilter is a plug-in indexing filter for Windows servers. It enables them to full-text index the contents of zip archives created with WinZip, PKZIP, or any other compression program that uses the PKWARE compression format. ZFilter is designed for Internet Information Server, SharePoint,...
http://www.4-share.com/content/download/zfilter.exe - 949Kb - Download

Alchemy Network Monitor
Alchemy Network Monitor monitors your network servers and business-critical applications availability and performance and immediately alerts you if a server gets out of order. Alchemy Network Monitor can also perform certain actions (e. g. launch an external application or execute an SQL query)...
http://www.mishelpers.com/ftp/netmon.zip?c=archive - 2Mb - Download - Screenshot

Alchemy Network Monitor PRO
Alchemy Network Monitor monitors your network servers and business-critical applications availability and performance and immediately alerts you if a server gets out of order. Alchemy Network Monitor can also perform certain actions (e. g. launch an external application or execute an SQL query)...
http://www.mishelpers.com/ftp/netmonpro.zip?c=archive - 3Mb - Download - Screenshot