Crossref Alternatives

Academia is a website where you can share papers that are written with other users. You can use a Google or Facebook account to sign in to the website.

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

The most intuitive platform to manage projects and teamwork

Visit website paid Free Trial $14.0 / Monthly (per seat)

DeepDyve provides simple and affordable access to millions of articles across thousands of...

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

Access scientific knowledge, and make your research visible

Paperity is the first multidisciplinary aggregator of Open Access journals and papers.

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

Open Source

Cabri Express is an all-in-one math toolkit that facilitates the teaching and learning of mathematics from hight school to university

Facilitating the global conversation on academic literature.

Open Source

Google for Education takes the cast analytical knowledge of Google and transforms it into a platform that educators can use to better communicate with their students in innovative ways.

PubMed comprises more than 29 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full-text content from PubMed Central and publisher web sites.

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.

Automatic works cited and bibliography formatting for MLA, APA and Chicago/Turabian citation styles.