Best OSX Activity Monitor Alternatives & Competitors in 2024

"An advanced Mac system monitor for your menubar."

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.

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Simple macOS system monitor in your menu bar.

Open Source

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…

Keeps track of system resources.

MenuMeters for OS X El Capitan 10.11 (and later)

Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.

ps and top for human beings

Open Source free

Rainmeter is a desktop customization platform.

Open Source

SidebarDiagnostics - A simple sidebar for Windows desktop that displays hardware diagnostic information.

Advanced Mac system monitor right from the menu bar

Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.

Flexible, easy to use data aggregating menu app that ties relevant information in a macOs menu bar.