Description: AZZ Cardfile is a free, open-source personal information manager software for Windows. It allows users to create digital note cards to store texts, images, links, files, and other media in an organized card catalog system.
Type: software
Pricing: Open Source
Description: Google Scholar is a free online academic database that indexes scholarly literature across disciplines and sources. It allows users to search for peer-reviewed papers, theses, books, abstracts, and court opinions.
Type: software