Description: PDFill is a free PDF editing software that allows users to fill out, edit, merge, split, rearrange, encrypt, decrypt, print and save PDF documents. It has basic PDF functionality for free.
Type: software
Pricing: Freemium
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