Description: PDFCreator is a free and open source program for Windows that allows you to print documents and other files to PDF format. It installs a virtual printer on your system that can generate PDF files from any application with printing capabilities.
Type: software
Pricing: Open Source
Description: Scopus is a large abstract and citation database of peer-reviewed literature. It covers scientific journals, books, and conference proceedings in the fields of science, technology, medicine, social sciences, arts, and humanities.
Type: software