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.
- Much more powerful and flexible