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 integrated editor.
License: Open Source
Compare is a user-friendly, customizable tool suitable for small to medium-sized files, offering strong integration with version control systems, while kdiff3 excels in handling large files and three-way merges but has a simpler, less customizable interface. Both tools support key features like syntax highlighting and file comparison but cater to different user needs and use cases.