An easy tool for synchronizing and backing up files and folders.

Verify the integrity of files, by using the CRC32 or MD5 checksum calculation algorithms. Checksums may be used for revealing the damaged files or compare two files for identity. [Windows 95/98/Me/NT/2000/XP].

True word-by-word comparison utilities for programming language source, ASCII text and data files. Native versions available for OS/2, Windows NT, and DOS.

CSDiff : text, HTML, or MSWord file difference analysis tool, for Windows 95/98/NT. HtmlDiff : online CGI program to compare any two text files on the Web. Each free.

Including Java diff source code, idiff, mgdiff, and spiff Unix tar.gz downloads.

Patented comparison technique that automatically recognizes a file with embedded tokens, and reporting differences between the files and embedded tokens separately. The utility is available in both EBCDIC and ASCII versions for almost every platform.

File Replication Pro, is a secure TCP/IP based replication solution, automatic real-time or scheduled replication across LANs, WANs, Internet and firewalls. [Win 95/98/ME/NT/2000/UNIX/LINUX/MAC]

Perform file synchronization between PCs, laptops, hard drives, and client and server networks. Automatically detect which files have changed within a given directory and synchronize those changes to a destination directory, and log the files that have been synchronized.

Free file checksum generation and verification utility. Supports .MD5 and .SFV file formats.

Specification of GDIFF, a generic file format for representing the differences between two files, from Marimba to the W3C.

Shareware text file compare/smart-merge tool with a 1.2 Java/Swing GUI. For all Java-enabled platforms.

Compares and merges 2 or 3 files or directories. The file diff shows changes within each line. For Unix and for Windows. Source available under GPL.

Utility to compare one folder or volume with another supports both MAC and PCs.

Shareware and freeware for file management, synchronization, backup of Windows and Macintosh files stored on NT. French, English, Portuguese version.

WordDocDiff compares two MSWord/Text files side by side. Complements FindInFilesX and CompareFilesX.

File synchronization tool that allows two replicas of a collection of files. Directories to be stored on different hosts (or different disks on the same host), modified separately, and then brought up to date by propagating the changes in each replica to the other. [Unix / Windows]

Directory Compare is a Windows shareware utility that compares the files in two directories based on file name, file last modified date and time and file size.

Fast compare and merge utility for text files. Strict lexical and syntax highlight. The full-function text editor adapted under ideology of line comparing of files.

"Weak" tkdiff, or "Wayne's" tkdiff, an attempt at a minimal version of John Klassa's tkdiff processor. Tcl/Tk source code.