Alternatives to Activity Monitor for all platforms with any license

Platforms

Desktop

Mobile

Indie / Classic

  • Process Explorer icon

    Process Explorer

    Process Explorer shows you information about which handles and DLLs processes have opened or loaded. The display consists of two sub-windows. The top always shows a list of the currently active processes, including the names of their...

    Free Windows

  • iStat icon

    iStat

    iStat is a series of system monitor apps. It's available in different versions: iStat Menus, iStat for iOS and iStat Server as a companion application to the iStat for iOS app that lets you remotely monitor your computers (free...

    Commercial Mac Windows iPhone

  • Atmonitor icon

    Atmonitor

    Mac OS X System Monitor and Process Explorer Tool atMonitor is the most advanced monitoring tool for Mac OS X that displays system activity in real-time. It is designed to allow quick assessment of computers state and it is powerful...

    Free Mac

    • Discontinued The official website is no longer available. Last version, 2.7.1, released on August 2012, can be still downloaded from Wayback Machine.
  • XRG icon

    XRG

    XRG is an open source system monitor for Mac OS X. XRG allows you to monitor CPU activity, memory usage, battery status, machine temperature, network activity, disk I/O, current weather, and stock market data. The goal of XRG is to be...

    Open Source Mac

  • TaskExplorer icon

    TaskExplorer

    Explore all the tasks (processes) running on your Mac with TaskExplorer. Quickly see a task's signature status, loaded dylibs, open files, network connection, and much more!.

    Free Personal Mac

  • BitBar icon

    BitBar

    The BitBar app lets you put the output from any script or program right in your Mac OS X menu bar. And it's completely free. An impressive number of plugins have already been contributed by a wide range of developers just like...

    Open Source Mac

  • px

    px tells you what processes are running on your system and how they are interconnected.

    Open Source Mac Linux BSD

  • iPulse icon

    iPulse

    Using its concise and appealing user interface, iPulse graphically displays the inner workings of OS X on your desktop, menu bar or Dock.

    Commercial Mac

  • Tasks Explorer

    Tasks Explorer is a freeware opensource computer program providing functionality for collecting extended information about processes running in system in real time. Application Tasks Explorer was designed as alternative to Apple’s...

    Free Mac

  • MagicanLite icon

    MagicanLite

    Magican Lite is a free system monitor utility. It could help users monitor CPU and memory usage, watch on download and upload speed and detect temperature of CPU and GPU from the tiny and flexible floating window. Besides just...

    Free Mac

    • Discontinued The company seems to be abandoned: no news since 2013. Last version, 1.0.0, released in April 2012, can be still downloaded from Apple Appstore.
  • OS Track icon

    OS Track

    Keeps track of system resources.

    Free Mac

    • Discontinued Development seems to have halted in 2012.
  • Monity icon

    Monity

    Monity is an advanced system monitor that takes place in macOS Today View and oversees component statistics. FEATURES System monitoring • Uptime, Processes, CPU Usage, CPU load average Memory Management • Wired, Active...

    Commercial Mac

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