Beyond Compare is a multi-platform utility that combines directory compare and file compare functions in one package. Use it to manage source code, keep directories in sync, compare program output, etc.
Spot the differences in text and image files, or even folders full of files. Review changes in seconds, with the world's most powerful file comparison app.
WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.