HEATKEYS

DiffNow lets you compare text files, documents, binary files, and archives up to 2048KB in size. You can either upload the files you wish to compare or enter their URLs. Results are returned as an interactive HTML report.

Noupe is a curious design blog that is always looking for new and interesting stuff on design, jquery, photoshop and more.

UltraEdit text editor, the world

Use to compare one file to another. Will show you a visual representation of the file and highlight the differences.

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Altova XMLSpy XML editor, plus other leading XML, data management, UML, and Web services software tools for application, web site, and database development, data conversion, and more.

Technology blog on software, wordpress and blogging tips for platforms like wordpress and blogger and software tips and tutorials on windows and web 2.0

Pretty Diff tool can minify, beautify, or diff between minified and beautified code. This tool can even beautify and minify HTML.

PrestoSoft award-winning products include ExamDiff Pro, a visual tool for text and binary file and directory comparison, and FtpVC, a serverless version control system.

The Araxis website, home of the Ketura project management and issue (bug, defect, etc) tracking system and Merge, the two and three-way file compare (diff) and merge application. Ketura incorporates timesheets and team scheduling. Merge lets you comp...