"Notability is the one place to create, share, and manage your notes. It combines handwriting, typing, audio recordings, and photos so you can create notes that fit your needs. And with iCloud support, your notes are always available on iPhone, iPad, and Mac. Anytime. Anywhere."
"PaperPort Notes is a digital note taking tool for the iPad that is transforming the way people create and share information. Now you can combine documents, web content, audio, typed text as well as hand written notes into a single document that you can easily organize and share with anyone."
"DocAS lets you take note, sketch your ideas, annotate PDFs, convert other document format to PDF, do presentation, read documents, record your meetings and classes, and share your notes/documents on your iPad, All-in-One."
"Subtext(™) supports teachers in their Common Core instruction and helps students move closer to college and career readiness by encouraging them to analyze what they read, articulate what they think, and make connections between texts and the outside world."
"Use iAnnotate to read, mark up, and share PDF, DOC, PPT and image files! Join the over 1 million users worldwide who say iAnnotate is 'an indispensable tool to have,' and 'the reason I bought an iPad.'"