Qiqqa is by far the strongest solution for research and managing pdf's. Zotero, named as a comparison is weak as it does not allow pdf;s to be loaded into its interface - you need to use a pdf reader, which defeats its whole purpose. With Qiqqa documents in a library can be searched together. It has excellent maps of your libraries. It is not prefect, having a few glitches, but still is the only one of its kind.
Inflyte App - Inflyte is the premier global music promotion platform. We deliver your music to club, press and radio tastemakers via our web dashboard and mobile apps then collate feedback into automated reports and real time activity feeds.
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Ramp eCDN - RAMP has developed the next generation of video solutions, enhancing user engagement through dynamic search and video solutions across connected devices.
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Ramp Reimbursements - Reimbursements & corporate cards in one.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .