Apps with 'Merge Files' feature
Free and open source desktop application to split, merge, extract pages, rotate and mix PDF files.
FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.
P4Merge uses color coding to allow users to visualize the differences between file or images. It allows three-way merging among files, and shows side-by-side file/image comparison. .
Translate your SRT subtitle files into a rich variety of languages and merge them into one for free!.
AnkhSVN is a Subversion SourceControl Provider for Visual Studio.
FolderMatch is a program that compares directories and files, showing the differences clearly.
Animotica is an Easy-to-Use Powerful Video Editor, Movie Maker and Slideshow Editor for Windows 10.