WinMerge - WinMerge is an open source differencing and merging tool for Windows.
WinDiff - Download Windiff : free files and folders comparison tool
Compare - Download Notepad++ Compare plugin for free. Comparison plugin for Notepad++ editor. Comparison plugin for Notepad++ editor.
CompareMerge - CompareMerge is a 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...
kdiff3 - KDiff3 is a file and directory diff and merge tool which compares and merges two or three text...
UltraCompare - UltraCompare is the name of an advanced level of file and folder comparison platform that is loaded with an advanced level of features and functions.