ECMerge is described as 'Comparison and synchronization tool with two and three-way merge for text and folders and difference on binary, text, images and folders, locally, via FTP/S, SFTP or in version controls. For Windows, Mac OS X, Solard Linux' and is a Diff Tool in the backup & sync category. There are more than 50 alternatives to ECMerge for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best ECMerge alternative is WinMerge, which is both free and Open Source. Other great apps like ECMerge are Meld, Beyond Compare, KDiff3 and P4Merge.