Apps for Research & Writing: Productivity/Document Sharing

GoodReader is a perfect combination of document-reading and file-managing capabilities. It's your one-stop shop for all your document needs when you're on the go with your iOS device. The best app for PDF file reading and annotating.

Annotable is a full-featured all-in-one image annotation tool, allowing you to spotlight items, blur items, write text, use shapes, and more.

Read and annotate PDFs. Create notes, save to the cloud, edit PDF text, add images and links to PDFs

Save all of the interesting articles, videos, cooking recipes, song lyrics, or whatever else you come across while browsing. With one click, Instapaper lets you save, read, and manage the things you find on the Internet. Instapaper makes it easy to highlight and comment on text in any article so you can easily store it, retrieve it, quote it and share it.

Save articles, videos and stories from any publication, page or app. Curate your own space filled with everything you can’t wait to learn.

a suite of software and services designed for notetaking and archiving. A "note" can be a piece of formatted text, a full webpage or webpage excerpt, a photograph, a voice memo, or a handwritten "ink" note. Notes can also have file attachments. Notes can be sorted into folders, then tagged, annotated, edited, given comments, searched and exported as part of a notebook.

Provides a central place to access and share files.

A place to store and organize everything you want. Links, images, documents, text, email - you name it! Your items where you need them, synced across devices with iCloud.