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Open Source System Cleanup & Optimization

A curated collection of the best open source utilities that clean, optimize, and free up space on your machine..

Mole

Mac cleaner, app manager, and system monitor in one

  • Stars

    Stars growing over the last 30 days73,953

  • Last commit

    9 hours ago

  • License

    GPL-3.0
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.

Open Source Alternative to:

CCleaner

Pearcleaner

Remove Mac apps and all their leftover files

  • Stars

    15,057

  • Last commit

    5 months ago

  • License

    Unknown
Mac app uninstaller that finds and removes associated files, orphaned leftovers, and development artifacts across macOS 13 and later.

Open Source Alternative to:

CCleaner

BleachBit

Clean your system and free disk space

  • Stars

    Stars growing over the last 30 days7,383

  • Last commit

    18 hours ago

  • License

    GPL-3.0
BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.

Open Source Alternative to:

CCleaner
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