DoubleKiller - find and remove duplicate files (Big Bang enterprises) --- DoubleKiller - 查找并删除重复文件（Big Bang 企业）
DoubleKiller is a fast and easy to use freeware tool to find and remove duplicate files.
重复文件清理
Scooter Software - Home of Beyond Compare
Scooter Software: Home of Beyond Compare
WinMerge - You will see the difference…
WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.
Meld
KDiff3 - KDE 应用程序
一个比较、合并文件和文件夹的工具
Duplicate Cleaner - Remove duplicate files
Find and remove duplicate files with Duplicate Cleaner, the premier free and pro solution.
Duplicate Finders, Duplicate Photo Finder, Folder Size - Disk Cleanup
Duplicate File Finder, Duplicate MP3 Finder, Duplicate Image Finder, Folder Size, Boss Key, Screen Capture, Web Gallery Builder, Disk Cleanup Tools.
Best duplicate file finder Windows 11, 10, PC, Mac. Deduplicate files. Video duplicate finder. iTunes duplicate remover. Delete duplicate music and files.
Easily find and delete duplicate files on your computer with Clone Files Checker, the best duplicate file finder for Windows and Mac.
qarmin/czkawka: Multi functional app to find duplicates, empty folders, similar images etc. --- qarmin/czkawka：多功能应用程序，用于查找重复项、空文件夹、相似图像等。
Multi functional app to find duplicates, empty folders, similar images etc. - qarmin/czkawka
Duplicate Files Search & Link (aka Duplicate Searcher)
Duplicate & Same Files Searcher for Windows 2000 / XP / Server 2003 / Vista / Server 2008 / Windows 7 / Windows 8