EPMon
EPMon - I wrote this program because I like to be able to see the CPU usage percentage at all the time... Here are some key features of "EPMon": showing the system CPU usage in the notification area, showing the CPU usage of a single process, shows the entire file path of the running programs,...
http://www.wapti.com/epmon/index.php - 70Kb - 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

SysGraph
Sysgraph is a program that monitors your network speed, RAM and CPU usage. It can optimize memory usage to make other programs run faster. It runs without installation so it keeps your system clean from unnecessary registry entries.
http://w3.enternet.hu/andax2/sgraph11.zip - 250Kb - Download - Screenshot

SentryPC
With SentryPC you can now restrict and monitor your computer allowing access to what you want when you want for all users! Specify the hours, the days, and total usage time for virtually every aspect of your computer including specific programs, websites, and basic computer and Internet usage! ... Use it as a parental control tool for your children, for your business, public computer access, or virtually anywhere you wish to control computer usage! ... SentryPC can also monitor and record all keystrokes, website visits, windows interacted with, chat conversations, and even applications used.
http://sentrypc.com/SPCDemo.zip - 2Mb - Download - Screenshot

XR SNMP Tools
XR SNMP Tools is a set of high performance tools for monitoring network SNMP manageable devices. XR SNMP Tools monitors the Network Health as well as many other network parameters like bandwidth usage, error and collision rates, memory and CPU usages. ... The most common usage is real-time network monitoring of WAN and LAN networks, but you can also monitor many other aspects of managed switches, printers, and other network components as long as they are SNMP enabled. ... It uses a client server architecture that lets you connect to the server from any other workstation in your network,...
http://www.xratel.com/dload/snmp/xr_snmp_tools.exe - 8Mb - Download - Screenshot

NfoNak
See how your computer is performing in a variety of different graphical formats. It can also be used as a screen saver. You can monitor such details as memory, disk space, disk usage, CPU usage, internet data rates etc. The graphical formats available are highly customizable and you can mix and...
http://www.nakware.com/nfonak/files/nfonak.zip - 577Kb - Download - Screenshot

PRTG - Paessler Router Traffic Grapher
PRTG Traffic Grapher is an easy to use Windows application for monitoring and classifying bandwidth usage. It provides system administrators with live readings and long-term usage trends for their network devices. PRTG is mainly used for bandwidth usage monitoring, but may also be used to... All common methods for network usage data acquisition are supported: SNMP: Simple Network Management Protocol is the basic method of gathering bandwidth and network usage data. ... Using an easy to use Windows interface you can configure the monitored sensors as well as create usage reports.
http://download2.paessler.com/download/prtg.zip - 10Mb - Download - Screenshot

SimpleActivityLogger
SimpleActivityLogger is a small DLL that hooks into Windows and records the following events: * System Startup & Shutdown * User Logon & Logoff * Console Lock & Unlock * Screen Saver start & stop There is a also a small GUI application to allow the user to specify what events are logged and to... It is also useful for tracking the usage of a shared computer, including checking for unauthorised usage. ... SimpleActivityLogger is most useful for people who need to track their computer usage during the course of a day for billing purposes, where system startup & shutdown and/or logon & logoff...
http://www.coruscant.ltd.uk/files/SAcLog11.exe - 247Kb - Download - Screenshot

Network Traffic Multi Optional Report
The Multi Optional Network Query Report is a plugin for the freeware MZL & Novatech TrafficStatistic and allows to analyze the traffic of each machine in the local network. So it can be detected, which machines have high bandwidth usages, which use unusual services or have traffic when staff is... The report can also be used to build up a basic usage based billing - eg, when sharing a traffic metered DSL connection via WLAN with diffrent users, this report allows to tell, who is responsible for which traffic and therefore responsible for which costs.
http://download.trafficstatistic.c...ptionalReport(HTML)_1.2.setup.exe - 798Kb - Download - Screenshot

Disk Space Inspector
Disk Space Inspector is a feature-packed, yet easy to use, hard disk analysis, file management and disk space reporting software. The application allows for managing and monitoring disk space on local and network computers as well as it allows creation of customizable graphically-rich disk space... - Graphically analyze disk space usage using Pie Chart and Bar Chart tools - Report disk space usage by volume or directory as text files. ... - View disk space usage by owner (NTFS owner) on a selected volume and/or directory to determine who is using the most space on a given volume.
http://www.advexsoft.com/disk_space_inspector/download/dsi_setup.exe - 5Mb - Download - Screenshot