Foxit Reader is a lightweight, fast PDF Reader.

Google Play Books (formerly Google eBooks) is an ebook digital distribution service operated by Google. Users can purchase and download ebooks from Google Pla…

Notability is a powerful, yet wonderfully simple note-taking and PDF annotation.

colwiz (collective wizdom) is free web, desktop and mobile based research management software.

Adobe Acrobat Reader DC is the industry standard for viewing, printing, signing and commenting on PDF documents.

iBooks is an e-book application by Apple Inc. for its iOS and macOS operating systems and devices.

Notebooks is a note taking and task management app.