3 Best Open Source CCleaner Alternatives
A curated collection of the 3 best open source and self-hosted alternatives to CCleaner in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for CCleaner in 2026? The top open-source alternative is Mole — Native Mac cleaner and system monitor.
Other highly rated open-source CCleaner alternatives include Pearcleaner and BleachBit.
Native Mac cleaner and system monitor
Mole is a native Mac application designed to help users clean up their system, manage applications, and monitor performance. It consolidates multiple tools into a single app, making it easier to maintain a healthy and efficient macOS environment. - Clean: Remove caches, logs, and temporary files with granular control and safety checks. - Software: Update, uninstall, and manage apps with support for Sparkle, App Store, Homebrew, and more. - Optimize: Maintain system performance by cleaning Quick Look, metadata, and macOS services. - Analyze: Visualize disk usage with an interactive treemap to identify large files and folders. - Status: Monitor real-time CPU, memory, GPU, disk, network, battery, and fan metrics. - Menu Bar HUD: Access live system metrics and privacy alerts directly from the menu bar. - Privacy-First: All scans and cleanups stay local; no files or data are uploaded. - Lifetime Updates: One-time purchase covers updates for two Macs. Mole is a native macOS application and does not require self-hosting. It is available as a standalone download from the official website. The app is built for macOS 14+ and offers a CLI tool for advanced users.
Open-source macOS app cleaner
Pearcleaner is a source-available macOS app cleaner inspired by Freemacsoft's AppCleaner and Sun Knudsen's Privacy Guides. It helps users thoroughly remove applications and their associated files to free up disk space and enhance privacy. - App Removal: Easily uninstall macOS applications and remove leftover files. - Privacy Focus: Designed to protect user privacy by cleaning residual data. - Lightweight: Minimal resource usage for efficient performance. - User-Friendly: Simple and intuitive interface for easy navigation. - Source-Available: Transparent and open-source codebase for trust and customization. - Regular Updates: Actively maintained with frequent improvements and bug fixes. Pearcleaner is a native macOS application and does not require self-hosting. It can be installed via Homebrew for easy setup: brew install --cask pearcleaner The source code is available on GitHub for review and contributions.
Open-source disk cleaner and privacy manager
BleachBit is a powerful, open-source disk space cleaner and privacy manager for Windows and Linux. It helps users obliterate junk files, shred sensitive data, and keep systems running efficiently without bloatware or hidden agendas. - Junk File Removal: Wipes temporary files, browser caches, logs, and hidden junk to recover gigabytes of storage. - Privacy Protection: Erases browsing history, cookies, saved passwords, and application traces to prevent digital footprints. - Secure Deletion: Permanently destroys files beyond recovery using secure deletion methods or fast mode for speed. - Preview & Control: Shows every file before deletion, allowing users to preview and delete only what they want. - Cross-Platform: Supports modern and legacy Windows versions, as well as Linux desktops, servers, and embedded systems. - Automation & Scripting: Enables system administrators to automate cleanup across entire fleets using CLI and scripting. - Custom CleanerML Rules: Allows power users to create custom rules to target any application or file pattern. - Advanced Deletion Modes: Provides forensics and IT professionals with advanced deletion options for data sanitization and security. BleachBit is a desktop application that runs locally on your system. It does not require a server or self-hosting. The software is open-source under the GPLv3 license and is available for free with no ads or upsells. It works entirely offline and does not require registration or license activation.
About CCleaner
CCleaner is a comprehensive system optimization tool designed to clean up and speed up your computer while protecting your privacy.
Key Features of CCleaner
- Junk File Cleaning: Removes temporary files, cache, and unnecessary data to free up storage space
- Privacy Protection: Clears browsing history, cookies, and sensitive data from shared computers
- Performance Optimization: Includes patented technology to put unnecessary apps into sleep mode and improve battery life
- Cloud Drive Management: Scans Google Drive and Microsoft OneDrive for duplicate and large files
- Driver Updater: Identifies and updates outdated or faulty drivers to enhance security and stability
- Software Updater: Notifies and updates hundreds of popular applications from a single interface
- Multi-Platform Support: Available for Windows, Mac, Android, and iOS devices
- Free & Paid Versions: Free version offers basic cleaning, while Professional adds advanced features
Tech / Self-Hosting
CCleaner is a proprietary desktop application that requires local installation. It does not offer self-hosting capabilities as it operates directly on user devices.