Open source tool for Windows for visual difference display and merging, for both files and directories.

Open source application which generates and verifies md5 checksums.

Scooter software's Beyond Compare is a Windows utility that combines directory compare and file compare functions in one package. Use it to manage source code, and keep directories in sync.

File verification tool based on MD5 checksum algorithm, with two interfaces and a free edition. Includes tool for creation and verification of data fingerprints, damage detection and file comparison. [Windows 98\Me\NT\2000\XP]

Visually compare and merge files and folders.

Compare and synchronize PC folders or files between drives and other directories. Shareware.

Synchronize It (WinSin) synchronizes directories and archives. Compare It (WinCmp) visual file comparison and merging. Windows shareware.

Freeware Windows 95/98/NT visual file comparison, can output Unix Diff format. Shareware ExamDiff Pro version has word-by-word diff.

Provides tools for archive management, directory comparison and synchronization, UUENCODED and decoding, and file splitting. Split and concatenate large files and display the differences between any two files. Rename long filenames with wildcards, and...

Visually compare, backup and synchronize folders or files between drives and other directories.