Compare It!

Beyond Compare allows you to compare files and folders. By using simple, powerful commands you can focus on the differences you're interested in and ignore those you're not. You can …

Code Compare is a free tool designed to compare and merge differing files and folders. Code Compare integrates with all popular source control systems: TFS, SVN, Git, Mercurial, and Perforce. …

KDiff3 is a file and directory diff and merge tool which compares and merges two or three text input files or directories, shows the differences line by line and character …

DiffMerge is a graphical file comparison program for Windows, Mac OS X and Unix, published by SourceGear. * Integrates with Windows Explorer; adds a shortcut to the context menu. * …

Merge is an online merge and diff tool that allows you to share and save your documents.

DiffPDF can compare two PDF files. It offers two comparison modes: Text and Appearance. By default the comparison is of the text on each pair of pages, but comparing the …

KDE GUI for diff. Kompare allows the user to view the differences between two text files, merge these and recursively compare directories.

tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show differences between a local copy …

diffChecker is a free online diff tool that quickly and easily gives you the text differences between two files.

GNU Diffutils is a package of several programs related to finding differences between files.

CompareMerge is a Mac OSX's software tool for file comparison and merging text-like files. It is useful for determining what has changed between versions, and then merging changes between versions. …

An application to help you keep multiple pairs of folders in sync, quickly and easily. View differences between pairs of folders on screen using user defined coloured coding. Folder Sync …

ECMerge is a comparison and synchronization tool with two and three-way merge for text and folders and difference on binary, text, images and folders, locally, via FTP/S, SFTP or in …

DiffVue is a diff tool, also known as a diff utility for Windows XP and Windows 7, and it lets users compare folders and files as well as ftp site's …

Visualize folders side-by-side and find immediately which files are different, colors help to understand the diff type. Colors identify older, modified and newer files.

DiffPlug is a free text editor/differ and image viewer/differ. Purchasing a license allows you to diff other kinds of files such as Simulink.