BibSonomy Alternatives

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

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.

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.

Try for free paid Free Trial $17.99 / Monthly (Basic)

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

Open Source

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

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

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

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

Docear

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

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

Citationsy is a reference tool to create citations, reference lists, and bibliographies.

freemium $4.99 / Monthly (Optional Pro Account)

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.

Diigo is a powerful research tool and a knowledge-sharing community