The best open source alternative to Pearcleaner is Mole. If that doesn't suit you, we've compiled a ranked list of other open source Pearcleaner alternatives to help you find a suitable replacement. Other interesting open source alternative to Pearcleaner is BleachBit.
Pearcleaner alternatives are mainly System Cleanup & Optimization. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Pearcleaner.
Native macOS app that cleans caches, uninstalls apps with leftovers, maps disk usage, and shows live system metrics. One-time purchase, lifetime updates.

Mole is a native Mac app that replaces a stack of separate utilities. It handles cache cleanup, app uninstallation, disk analysis, system optimization, and live status monitoring, all without a subscription. One $19 purchase covers two Macs and includes free updates for life.
The app is organized around five distinct tools, each focused on a single job:
Mole also includes fan control, a Keep Screen On toggle, Battery Care, and privacy alerts. It's a practical alternative to running CleanMyMac, DaisyDisk, and iStat Menus separately. A free, open-source CLI exists for terminal workflows. The Mac app requires macOS 14 or later and Full Disk Access to reach protected Library folders, though it still functions with reduced scope without those permissions.
BleachBit frees disk space & protects privacy by deleting cache, cookies, history & temp files from Firefox, Chrome & more. Open source for Linux/Windows.

BleachBit is a powerful system cleaner designed for both Linux and Windows platforms. It helps you free up disk space quickly and efficiently while ensuring your privacy is safeguarded. With BleachBit, you can clear cache, delete cookies, erase Internet history, shred temporary files, delete logs, and eliminate other junk files you weren't even aware of.
BleachBit supports thousands of applications, including popular ones like: Firefox, Adobe Flash, Google Chrome, Opera and more. Beyond simple file deletion, BleachBit offers advanced features to ensure thorough cleaning and data protection.
Key Features:
BleachBit is not just free but also open-source, allowing users to contribute and improve it continually. Its comprehensive features make it a valuable tool for anyone looking to maintain a clean and efficient system while protecting their privacy.
Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.
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