Description: PDFsam is an open-source PDF editing software that allows users to merge, split, rotate, mix and extract pages from PDF files. It has a graphical user interface and offers basic PDF manipulation functionalities for free.
Type: software
Pricing: Open Source
Description: ReadCube Papers is a free reference manager and PDF reader designed for researchers, clinicians, and scientists. It allows you to easily organize, read, highlight, and annotate PDFs across multiple devices.
Type: software