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…

Comparison plugin for Notepad++ editor.

Kaleidoscope helps you find differences in text, images, and folders.

Beyond Compare is a handy comparison tool to compare files.

Déjà Dup is a simple backup tool. It hides the complexity of backing up the Right Way (encrypted, off-site, and regular) and uses duplicity as the backend. Fe…

Code Compare is a free tool designed to compare and merge differing files and folders.

mergely is an online diff and merge editor and javascript library that highlights changes in text.