BleachBit frees disk space and protects your privacy by deleting cache, logs, temporary files, and traces left by applications and browsers. It’s lightweight, open-source, and works on Linux and Windows.
WinDiskWriter is an open-source macOS app for creating bootable Windows USB installers with UEFI and Legacy BIOS support — patch Windows 11 requirements, add EFI support to older Windows versions, and auto-split large install images.
Kudu is a free, open-source system cleaner and security scanner for Windows, macOS, and Linux that reclaims disk space, scans for malware, and hardens privacy settings — with no ads, upsells, or telemetry.
Mole is an open-source terminal toolkit that cleans, uninstalls, analyzes, and monitors your Mac in one binary, combining CleanMyMac, AppCleaner, DaisyDisk, and iStat Menus.
Windrecorder is an open-source, local-only alternative to Rewind and Windows Recall it continuously records your screen and lets you search and rewind past activity via OCR text and image descriptions, no cloud required.
MangoDisk is a free, open-source disk cleaner for macOS and Windows that finds caches, duplicates, and large files across your system and dev tools, with a safety-first review-before-you- clean approach.