ProCite Alternatives

ReadCube Papers is a sumptuous reference manager helping out academic writers to get the most out when it comes to access and discovering more citations with multiple libraries or databases.

Pybliographer is a tool that helps you manage your bibliographic databases in a user-friendly way.

Create FREE one-page sites with limey.io. Receive gifts. Capture leads. Share your favorite photos. All in a matter of minutes.

Visit website freemium $5.0 / Monthly (Lite paid plan)

I Librarian is an online tool that comes with a great way to handle and manage your PDF paper and office documents.

Open Source

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

Aigaion is a bibliography management system that seems to be the perfect tool for managing your bibliography and references.

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

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

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

Open Source

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.

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

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 .