Mac OS X Softwares to Combine PDF

jPdf Tweak is a versatile, cross-platform Java Swing application designed for manipulating PDF files. It offers a range of functionalities including combining, splitting, rotating, reordering, watermarking, encrypting, signing, and other essential PDF adjustments.

Briss is a straightforward and portable cross-platform application designed specifically for cropping PDF files. It offers a simple interface to analyze and optimize the layout of PDF documents, making it easy to remove unwanted margins and white space for better viewing and printing.

Master PDF Editor is a comprehensive PDF editing suite for Windows, macOS, and Linux. It empowers users to create, edit, view, annotate, and sign PDF documents with a robust set of tools.

Adobe Acrobat DC is the industry-leading solution for working with PDF documents. It allows users to create, edit, sign, share, and manage PDFs with advanced tools for professional workflows across desktop, web, and mobile.

LibreOffice Draw is a versatile vector graphics editor and diagramming tool included in the LibreOffice suite. It offers powerful tools for creating flowcharts, technical drawings, posters, brochures, and editing PDF files.