Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Xodo - Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!
MarginNote - A brand new e-reader to better study and digest your books
Flexcil Inc. - View PDF documents, annotate them, and take notes without struggle on your tablet devices
Casedo - A document collection, management, navigation, markup and search app for lawyers and investigators.
Skim - Skim is a PDF reader and note-taker for OS X.