Pliny is a note-taking and annotation tool. It may be used with both digital (web pages, images, PDF files) and non-digital (books, printed articles) materials. Pliny is a desktop application that runs on your computer, and manages annotations and notes that you gather as you are reading.
Scribe is a note-taking program that allows you to manage your research notes, quotes, thoughts, contacts, published and archival sources, digital images, outlines, timelines, and glossary entries. You can create, organize, index, search, link and cross-reference your note and source cards.