WinMerge is an Open Source differencing and merging tool for Windows.

Beyond Compare is a handy comparison tool to compare files.

Araxis Merge two and three-way file comparison (diff) and merging application.

Meld is an opensource visual diff and merge tool for developers.

KDiff3 (64-Bit) is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrate…