Zotero 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.

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

Docear

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

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

Workspace to highlight, organize & collaborate on your research articles.

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

BibSonomy is a system for sharing bookmarks and lists of literature (BibTex format).

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.

Google Scholar is a freely accessible web search engine that indexes the full text of scholarly...

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