Site24x7 Windows Monitoring Alternatives

htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.

The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'l…

Auto arrange all your app windows, whether on one screen or many with a single click!

Try for free freemium $39.99 / Annually (One PC, One Year)

SolarWinds Server & Application Monitor provides deep visibility into health, availability and performance of enterprise applications and multi-vendor servers.

Homepage of System Explorer. Freeware Tool for displaying and managing system internals

Process Lasso is NOT yet another task manager.

Resource Monitor is a system application in Microsoft Windows operating systems.

This tool controls programs, disk, CPU. Replace task manager, tweak and tune up XP or Vista.

Glances is a cross-platform system monitoring tool written in Python. Written in Python, Glances will run on almost any plaftorm : GNU/Linux, FreeBSD, OS X and Windows.

Open Source

Nmon Nigels Performance Monitor is a remarkable tool that helps in monitoring systems more efficiently.

NVIDIA

Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.