WinMerge is a free software tool for data comparison and merging of text-like files. It is useful for determining what has changed between versions, and then merging changes between versions. Developed by Jochen Neubeck (jtuc)
License: Open Source
ViceVersa excels in fast synchronization and real-time options, making it ideal for file backups and updates. In contrast, WinMerge 2011 is better for visual comparisons and detailed reporting, catering more to users needing file comparison and merging functionalities.