CPUSetter is described as 'Adjusts the number of active cores in your cpu(s). It can also enable/disable hyperthreading on supported cpus' and is a Battery Saver utility in the system & hardware category. There are three alternatives to CPUSetter for Mac and Google Chrome. The best CPUSetter alternative is Chrome Reaper, which is both free and Open Source. Other great apps like CPUSetter are App Tamer and AppPolice.
Automatically ends browser processes in Chrome or Chromium using too much CPU, including tabs, extensions, subframes, renderers, and even background scripts, to prevent resource drain, combat cryptomining, boost stability, and maintain smooth browsing.
Chrome Reaper is the most popular Open Source & free alternative to CPUSetter.
? Background app taming: CPU use by background apps can lead to slower performance, shorter battery life, prompt heating and trigger your Mac’s fans. App Tamer helps you to manage and reduce overall CPU usage by controlling idle apps working in the background.
App Tamer is the most popular Mac alternative to CPUSetter.
App Tamer is the most popular commercial alternative to CPUSetter.
An app for Mac OS X with a minimalistic UI which lets you quickly throttle down the CPU usage of any running process.
United States
Chrome Reaper is a Chrome extension and only works on Chrome-based browsers. CPUSetter works with any application and/or process running on macOS.