The best open source alternative to CCleaner is BleachBit. If that doesn't suit you, our users have ranked more than 100 alternatives to CCleaner and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to CCleaner are Kudu, SD Maid SE, Mole and PureMac.
BleachBit deletes unnecessary files such as cache and cookies to enhance privacy and disk space efficiency on Linux and Windows. It supports numerous applications including web browsers, office suites, and multimedia tools.
United States
Kudu clears out junk, tightens your privacy, and keeps your apps up to date across 25+ tools for Windows, macOS, and Linux. Free and open source. No ads, no bundled software, no nagging.
United States
SD Maid SE (aka SD Maid 2) is a file management tool for Android that specialises in maintenance. Its core purpose is freeing up space and removing unwanted data.
Germany
EU
Open source Mac command line utility integrating disk cleanup, deep app uninstallation with artifact removal, disk analysis, optimization tasks, and a live terminal dashboard for real-time CPU, GPU, memory, disk, and network monitoring with interactive options.
China
Free, open-source macOS cleaner. CleanMyMac alternative with zero telemetry. Native SwiftUI, scheduled auto-cleaning, Xcode/Homebrew/system cache cleanup. MIT licensed.
United Arab Emirates
An open-source mac app cleaner inspired by Freemacsoft's AppCleaner and Sun Knudsen's Privacy Guides post on his app-cleaner script. This project was born out of wanting to learn more. There's probably parts of the code that could be done better as I'm fairly new...
RomaniaEU
Open-source Windows software offering more than 30 system tweaks spanning performance, privacy, GPU, power, bloatware, and user experience, with detailed risk ratings, automatic backups, one-click reverts, built-in management tools, and user-controlled settings.
Vietnam
Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...
Free zero-telemetry CleanMyMac alternative for macOS (Apple Silicon). Native SwiftUI: forensic uninstaller, disk analyzer, duplicates, Xcode/Docker reclaim. Source-available GPLv3 + Commons Clause.
Comprehensive macOS utility featuring real-time monitoring of CPU, RAM, disk, and network, advanced automated cleaning, storage analysis with file visualization, duplicate management, file recovery, task automation, and a suite of optimization tools.
India
Safety-first, open-source disk cleaner for Windows 10/11. Reclaim gigabytes of hidden junk — no ads, no telemetry, no registry snake oil. .NET 10 + WPF.
India
Sweep finds the junk, big files and forgotten leftovers filling your Mac, checks it for malware and risky settings, keeps every app up to date, and shows you what your Mac does while you're not looking.
India
