Apps with 'Memory usage' feature
The Great Suspender is a lightweight chrome extension to help reduce chrome's memory footprint for users that like to have too many tabs open at the same time.
Memtest86+ is a free-to-download memory test software designed to test and stress test an x86 or x64 architecture computer's random access memory (RAM) for errors.
PrimoCache is a supplementary software caching scheme that cooperates with system memory to provide data caching for disks.
TrafficMonitor is a network monitoring suspension window software in Windows. It can display the current network speed, CPU and memory usage. It also support the functions of display in the taskbar, change skin and historical traffic statistics.
Automatically discards unused tabs to free up system resources.
Suspend tabs to reduce chrome memory usage. Uses chrome's native tab discarding.Auto Tab Discard a lightweight extension that uses the native method (tabs.discard) to unload or suspend browser tabs to significantly reduce the memory footprint of your browser when many tabs are opened.
Activity Monitor displays information about all the processes running on your Mac, including CPU, disk, memory, and network usage.
MemPlus can be used to reduce the amount of RAM that is being used by applications on your system. In essence, freeing up memory so that more memory is available to you!.
Memory Clean is the ultimate app for optimizing your Mac's memory and is best used after you have finished using a memory (RAM) intensive app or game.
Firemin will force Firefox to use less memory. It is safe to use, spyware free and completely free. Firemin Installs instantly.
Performance Monitor is a small program that shows you the CPU, Memory, Disk and Network utilization under Windows NT platforms (2000, XP, Vista, Win 7, etc...).
Wise Memory Optimizer helps you free up and tune up the physical memory taken up by some useless applications to enhance PC performance.