Top 4 merger open source projects

PDFsam, a desktop application to extract pages, split, merge, mix and rotate PDF files

Multiple videos merge in one video with manage scale & aspect ratio and also merge videos to grid matrix layout for Swift.

Multiple videos merge in one video with manage scale & aspect ratio and also merge 4 videos to grid layou for Objective C.

🔁 A tool for merging data from CSV, JSON, Geo- and TopoJSON files