Open-source alternatives to CCleaner

Windows optimization, cleanup and tweak tool — ZyperWin++是一个轻便的Windows优化工具，适用于Win7-Win11最新版的优化，包括性能优化、服务项优化、垃圾清理等操作，还支持系统激活和Office快速安装。

↔ alternative to CCleaner

WinUI desktop cleaner with terminal support — FluentCleaner is the transparent, community-powered CCleaner alternative for Windows.

↔ alternative to CCleaner

Disk cleaner and optimizer for Windows — Windows Cleaner——专治C盘爆红及各种不服！

↔ alternative to CCleaner

Safety-first disk cleaner and disk space analyzer for macOS and Windows — Safety-first disk cleaner and space analyzer for macOS, Windows and Linux, with duplicate cleanup, app uninstall, startup management, system optimization, and maintenance.

↔ alternative to CleanMyMac、DaisyDisk、CCleaner

Cross-platform disk cleaner and system scanner — Free Windows, Mac and Linux cleaner, scanner, and more.

↔ alternative to CCleaner

Windows junk cleaner and disk analyzer — A free, minimalist, lightweight, and high-performance C-drive cleanup tool.

↔ alternative to CCleaner

Windows cleaner for junk, large, and duplicate files — Windows的开源强力清理工具，可扫描并清理全盘中的垃圾文件、大文件、重复文件及系统残留等

↔ alternative to CCleaner

macOS system analyzer and cleaner — A macOS system analyser and cleaner

↔ alternative to CleanMyMac、CCleaner

Scan and clean Windows rogue menus and residuals — 流氓软件克星：扫描和清理 Windows 流氓右键菜单、自启动、计划任务、服务、浏览器插件和文件关联残留

↔ alternative to CCleaner

Clean and migrate Windows AppData to free C drive space. — Windows C盘清理工具/C盘瘦身工具，还你Appdata的大量硬盘空间 | Windows System disk cleanup, returning a large amount of hard drive space from your Appdata

↔ alternative to CCleaner