Bookends Alternatives

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

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

Stop chasing your clients for documents! Easily request files, documents, forms & signatures from your clients – set a due date and save hours as your requests are returned to you effortlessly.

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

Open Source

Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.

Docear

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

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

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.

Accelerate Your Research. Save time, stay organized, collaborate with colleagues and get published with EndNote 20.

Clean and simple and reference management for the web. Sync your PDFs to Google Drive and cite your papers in Google Docs.

RefWorks is an online research management, writing & collaboration tool that helps researchers easily gather, manage, store & share information.

ReadCube is software that manages and organizes research papers and other documents.

BibBase.org is an easy way to set up and maintain a scientific publications page.