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What is the best open source tool to clean up a Mac?
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Depends on what you mean by clean up. Onyx is a good all-purpose tool:
https://www.titanium-software.fr/en/onyx.html
This is good💪
This is the only acceptable answer
1 app to rule them all.
I use Pearcleaner, finding orphaned files is a bit off but other than that awesome app to clean up left over files left by apps
Pearcleaner is the way to uninstall apps
The excellent GrandPerspective to graphically see where the big files are. Free and open source https://grandperspectiv.sourceforge.net/
Thank you for your answers
“Maintenance,” for Mac. Doesn’t need to be run much I don’t think. Maybe several times a year. But if my MacBook is being “weird,” and a restart doesn’t fix it, “Maintenance” does (or placebo effect, lol). Also a good way to clear cookies from all browsers in one go.
https://www.titanium-software.fr/en/maintenance.html
what do you think you should clean ?