Kompare

NextDiff is a free Windows utility for comparing files and folders in a clear visual interface. It helps users inspect differences between two versions of a text file, source code file, log, script, or configuration file. The side-by-side comparison view highlights added, removed, and changed lines, while in-line change marking helps identify the exact modified fragments. NextDiff also supports folder comparison, direct editing, copy-left/copy-right merge actions, difference navigation, and flexible options for ignoring case, blank lines, and whitespace. It is a useful freeware tool for developers, administrators, writers, and anyone who regularly works with changed files.

DirDiff started as a tool to check two copies of files in separate directories, either by date or by a different modified date. From there, we had a go at building our own text-diff. Other diff's show the content of both files, and thus show the content that is equal twice. Sounds like a lot of wasted screen-space, so we show a single 'flow' and the different parts in different colors. Yes, we know we might have got green and red reversed, but since we use diff primarily to check what we've changed before commit, We like them to show up in red because it draws attention. It can also show the structure of XML documents in a tree view. If you configure the usual attribute names that holds identifying values, it will use those to show the relevant changes. If you're using TortoiseSVN, it turns out to be a good alternative diff to use with TortoiseSVN, open the settings and enter the command provided in our site for the external Diff Viewer.