WinMerge is a System Utilities::Other software developed by Thingamahoochie Software. After our trial and test, the software was found to be official, secure and free. Here is the official description for WinMerge: WinMerge is a tool for visual difference display and merging, for both files and directories. It is highly useful for determining what has changed between file versions, and then merging those changes. WinMerge has Unicode support, Flexible syntax coloring editor, Visual SourceSafe integration, and Windows Shell integration. Regexp filtering for filenames and lines. Side-by-side line difference and highlights differences inside lines. A file map shows the overall file differences in a location pane. The user interface is translated into several languages. you can download WinMerge 2.14.0 free now.