The Academic Literature Suite Docear (“dog-ear”) is an academic literature suite. It integrates everything you need to search, organize and create academic literature into a single application: digital library with support for pdf documents, reference manager, note taking and with mind maps taking a central role. Docear is free and open source, based on Freeplane.
At its core, the Visual Understanding Environment (VUE) is a concept and content mapping application, developed to support teaching, learning and research and for anyone who needs to organize, contextualize, and access digital information. Using a simple set of tools and a basic visual grammar consisting of nodes and links, faculty and students can map relationships between concepts, ideas and digital content.