Code Compare is an advanced comparison and synchronization tool that compares text, source code, XML files and directories then, highlights differences and merges content via its visual interface. Code Compare can make version comparing and code reviews a much easier process.

Compare Suite can compare both - related and non-related files.
"By keywords" comparison feature highlights common and unique keywords, allowing to compare non-related files.
"Word by word" comparison compares files with a common ancestor.
If you work with plain text, then you can edit compared documents, apply or decline changes.
Finally, you can bring comparison details to simple or advanced structured report.

Beyond Compare is a directory and file compare utility. Synchronize files between laptop and PC, home and office, etc. Compare directory trees side-by-side with mismatches highlighted. Display text files side-by-side with changes highlighted. Great for merging changes to source code. Handles minor editing, Unicode files, Delphi form files. Save favorite sessions for quick access. Built-in FTP and zip support.

Directory compare & integrity check tool. Unlike most directory compare tools, it is intended for use in cases, when two directories can not be directly compared. Main features: compare directories on computers that are not connected, compare the same directory over time,
very short digests that in most cases fit a floppy even for large directories

Compare and Merge is a visual file compare and source code compare utility. It lets you see the differences between text files, and makes it easy to resolve these differences. For programmers, web developers, and anyone else who works with multiple revisions of files. New features: Quick Bar for faster compares, Smart Refresh mode, Explorer context menu, new options, various bug fixes and tweaks.

Snapper reads the directory of a disk which is then saved as a "snapshot", so that later you can compare it with a new snapshot of the disk and see what has changed. The results are easy to see with colour-coded highlighting in a familiar Explorer-style interface. Print the results, or export them to create a customisable batch file or installation script. Extremely quick to use and to learn.

Compare, view, synchronize and merge files from various folders very easily with this tool. See the differences and copy lines from one file to another instantly. Perfect for programmers who want to compare source codes in many languages. Compare files according to many rules like size, modified date, created date...

Quick and Easy File and Folder Comparing.
Compare two text files side by side, then merge the text files manually (point-and-click) or automatically. Recursively compare and synchronize trees of folders and files to find the differences both in file presence and file contents.
Compare two HTML documents side by side using Microsoft Internet Explorer (Compare HTML documents even if the tags are organised differently in the two documents).

AJC Directory Synchronizer makes it easy to synchronize files and compare folders between any two locations. Synchronize large numbers of files between computers, sync laptop to desktop, mirror to backup drive, sync mp3 player etc.

Wizards make it very easy to setup your synchronize task which can be saved as a project for quick regular use. Built in archiving system makes it easy to recover files if you make a mistake.

Comparator Fast is an application that simplifies the comparison / verification / synchronization status of two different directories on any media (local drives, network drives, writable CD's, Compact Flash and electronic media, any drive/disk or device managed as valid windows pathnames). Easy to use interface/Fast process/User configurable/Quick commands and Tools/Touch Files (attributes/time)/Internet Time tool (Atomic clock synchronizer).

Compare PDF can compare both - related and non-related files.
"By keywords" comparison feature highlights common and unique keywords, allowing to compare non-related files.
"Word by word" comparison compares files with a common ancestor.
If you work with plain text, then you can edit compared documents, apply or decline changes.
Finally, you can bring comparison details to simple or advanced structured report.

SwiftCompare is a utility to Compare Files and Folders and Merge/Synchronize the differences between them. What makes SwiftCompare distinctive is the presence of a very customizable Compare and Merge engine(CME), allowing the user to Compare and Merge/Synchronize Folders and Files the way he likes. SwiftCompare can be used to Manage Source code, keep Folders in Sync, Verify Data, Restore corrupt Data, and much more.