Benubird PDF Alternatives

Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

PDF Stacks software program helps you organize and manage PDF files, papers and documents. Easily search and read your PDF documents on a PC and MAC

Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.

Docear

The intelligence, technology and human expertise you need to find trusted answers. Thomson Reuters is The Answer Company.

Papers is a research management software designed to streamline searching, aggregating and citing digital reference materials.

Graphical Java application for managing bibtex (. bib) databases.‎JabRef · ‎JabRef Help · ‎JabRef | Blog · ‎OpenOffice/LibreOffice .

Advanced File Search Utility for Mac OS X

BibDesk is an organizational software created to help you edit and manage your bibliography. It keeps track of your bibliographic information as well as said information's associated web links and files. Read more about BibDesk.

“Love your product!” –Brian For Documents. Photos have iPhoto. Music has iTunes. But when it comes to PDFs and other office documents, you’re on your own. That is, until now…

DEVONtechnologies develops DEVONthink, DEVONagent, and other Mac and iOS apps for document and information management and web research.

Yojimbo makes keeping all the small (or even large) bits of information that pour in every day...

Citavi is a program for Microsoft Windows that manages literary references and organizes organizational knowledge.