There are many alternatives to CCleaner for Windows if you are looking for a replacement. The best open source Windows alternative is BleachBit. If that doesn't suit you, our users have ranked more than 50 alternatives to CCleaner and nine of them are open source and available for Windows so hopefully you can find a suitable replacement. Other interesting open source Windows alternatives to CCleaner are Tron Script, windows-tools, Fregonator and WinTrim.
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.
![BleachBit user interface in dark mode [source: official documentation]](https://img.alternativeto.net/s/618x394/avif/bleachbit_608743_full.png)
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...
This is a toolset for improvement of performance of Windows desktop and server operating systems. Much gratitude goes to Ponderworthy folks and friends for much input, a good bit of which can be read at notes.ponderworthy.com.
Lightweight open-source system cleaner for Windows 10/11. Runs up to 13 cleaning tasks simultaneously using PowerShell. Does not touch the Registry or web browsers. Portable version is 220 KB. No ads, no Pro version, no telemetry. MIT licensed.
Multron Win Cleaner – The Ultimate Free & Open-Source Windows Optimizer Looking for a powerful, no-strings-attached system cleaner? Multron Win Cleaner is a completely free and open-source toolkit for optimizing, cleaning, and boosting your Windows system — without...
The free system maintenance suite your PC deserves. 15+ powerful tools to clean, optimize, and protect your Windows, macOS, and Linux machines. Open source, no ads, no bloatware. Just a faster computer.
Free, open-source Windows disk cleanup tool. Clean system junk, scan large files, detect duplicates, and analyze disk space. Single portable file under 70MB. No ads, no bundleware, no background processes. Built with .NET 8 + WPF. Supports 6 languages and 10+ themes.
Reclaimed is a cross-platform, ultra-lightweight, and surprisingly powerful command-line tool for analyzing disk usage — with special handling for iCloud storage on macOS.
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BleachBit is open source and does a thorough job of deleting various files that could reveal what you've been up to, from cookies to temporary files and other junk. It can't replace CCleaner on Mac, but on Windows and Linux it is arguably better and more trustworthy.