Qiqqa is a free research and reference manager. Search for, read and annotate your PDFs. Then review your work, write up and create bibliographies instantly.
Superb reference and document management. Import PDFs into separate libraries. Automatic OCR and tag extraction. Qiqqa helps you populate missing metadata for millions of research papers. Full-text search, duplicate paper detection, inbound and outbound links, and much more. More Info »
Top-notch built-in PDF reader with annotating, highlighting, automated jump links, and so much more. Create printable summaries of notes, mindmaps of your thoughts, and directly cite your references and automatically create bibliographies within the Microsoft Word word processor.
See information about papers, and connections between concepts, in a totally new way. Explore an entire library of papers via authors, papers, tags, and themes. Know exactly what paper to focus on next.