HEATKEYS

Diff Checker is a free online diff tool that gives you the text differences between two blocks of text.

GnuWin32 provides Win32 (MS Windows 95 / 98 / ME / NT / 2000 / XP / 2003 / Vista / 2008) ports of tools with a GNU or similar open source license.

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.

The Microsoft Support home page is your support portal for Microsoft products. Download updates and find top issues, error messages, and troubleshooting tips for Windows XP, Windows Vista, Windows 7, Office 2010, the 2007 Microsoft Office system, and...

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.

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.

Perforce is the Fast Software Configuration Management System. Perforce SCM versions and manages source code and digital assets for enterprises large and small.

Tower - the most powerful Git client for Mac