Mac OS X Softwares to Split PDF Files

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.

PDF Studio is a robust, cross-platform PDF editor designed for a wide range of users. It provides comprehensive tools for viewing, creating, editing, annotating, securing, and converting PDF documents, offering a powerful alternative to Adobe Acrobat with a perpetual license option.

PDFsam Basic is a free, open-source, and incredibly useful tool for handling PDF files. It excels at core functions like merging, splitting, rotating, and mixing PDFs, offering a simple and intuitive interface for both simple and complex tasks. It's available across major operating systems and doesn't require an internet connection.

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.