Filter Functions Process Manager

Activity Monitor

Free
MacOS Mojave brings new features inspired by its most powerful users, but designed for everyone to the Mac.
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Advanced System Optimizer

Paid
Advanced System Optimizer is a complete PC suite which can boost your slow PC, remove spyware, system cleaner, game optimizer, update drivers and extends the life of your hard drive.
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Ashampoo WinOptimizer

Freemium
Ashampoo WinOptimizer Free – Speed up your system.
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AVG PC TuneUp

Paid
Speed up & clean up unlimited PCs. AVG TuneUp keeps your computer running like new, prolongs battery life & keeps your software up-to-date.
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Baidu PC Faster

Freemium
Baidu PC Faster is a free, lightweight PC optimizer with an easy-to-use and fun interface. Its features include complete system cleaning, boot time acceleration, real-time system acceleration,
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Clean Master

Freemium
Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads
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Comodo System Utilities

Free
Comodo System Utilities PRO, Windows Registry Cleaner and Registry Repair Software fixes registry errors quickly and speeds up your pc significantly.
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Glances

Free
Glances is a cross-platform curses-based system monitoring tool written in Python.
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Htop

Free
And here is my lightning talk at FOSDEM presenting the latest and upcoming features:
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IPulse

Paid
Using its concise and appealing user interface, iPulse graphically displays the inner workings of macOS on you desktop, menu bar or Dock.
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JetClean

Freemium
"JetClean did better with the Apps Clean module, though, where it was able to erase more application activity histories than CCleaner could manage."
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PC Optimizer Pro

Try the best free PC optimizer, with built-in PC booster to optimize your computer and get a high performance PC. Try best PC optimizer for free, today.
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PrivaZer

Free
In-depth cleanup. of your PC and storage devices. Smart overwriting : PrivaZer automatically recognizes your storage device type and adapts its overwriting algorithms to the storage medium
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Process Explorer

Free
Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more.
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Process Hacker

Free
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware.
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Startup Delayer

Freemium
Product: Startup Delayer, Version: 3.0 build 366, Released: 18th Dec 2015
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Stellar SpeedUp Mac

Paid
StandardProfessional Technician
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TuneUp Utilities

Speed up & clean up unlimited PCs. AVG TuneUp keeps your computer running like new, prolongs battery life & keeps your software up-to-date.
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Winpatrol

Freemium
AntiRansom, AntiMalware, Zero-Day Threat Protection PLUS for Home Protect your personal computers from Ransomware, Malware, Zero-Day Threats and more with WinPatrol WAR. WinPatrol
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