The Best 15 Cool Tool Alternatives

  • GKrellM

    GKrellM is a single process stack of system monitors which supports applying themes to match its appearance to your window manager, Gtk, or any other theme.

    Free Open Source Mac OS X Windows Linux

  • 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.

    Free Open Source Mac OS X

  • 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 OS X

  • DriveGLEAM

    DriveGleam is a free app that installs a handful of activity indicators as icons in your system tray, including a CPU usage, a RAM usage, virtual RAM usage, as well as an icon that displays hard drive activity for each of your partitions.

    Free Windows

  • SysMetrix

    SysMetrix is a skinnable clock and metering application. Its purpose is to provide system metrics in a variety of interesting, useful, and cool ways. It can monitor and report on the hundreds of statistics

    Free Windows

  • xScan

    Professional System Monitoring Utility designed for Mac. xScan has been specifically designed to help you monitor the behavior and health of your Mac in a simple and straightforward manner. This is done in real time.

    Commercial

  • StatsBar

    Easily Monitor Your Mac's System Stats. With StatsBar, you get a comprehensive and detailed analysis of the following areas of your Mac: 1. CPU Usage 2....

    Commercial

  • PowerLine

    PowerLine - smart line-indicators in your status bar. Battery, CPU, memory, signal, WiFi, storage, SMS, missed calls, network usage and more... Better than a widget! Always visible, even on the lock screen.

    Freemium Android

  • Translucent

    Translucent provides detailed real-time information about what is going on inside your Mac.

    Commercial Mac OS X