Preprints.org is pleased to announce that, as of January 2026, preprints posted on our platform are now indexed in OpenAlex, a free open-source catalog of scholarly output. This inclusion contributes to and benefits from a more open and interconnected scholarly ecosystem.
Preprints.org is already indexed by 8 major academic databases, including Web of Science, Crossref, Google Scholar, Dimensions, PrePubMed, SHARE, Scilit, and Europe PMC. Indexing in OpenAlex further expands our discoverability, ensuring that work shared on Preprints.org reaches broader audiences across disciplines and regions.
What Indexing in OpenAlex Means for Authors on Preprints.org
OpenAlex is a key component of the open research infrastructure ecosystem, designed to track connections between scholarly outputs across various formats and platforms, aiming to make global research freely accessible to everyone, everywhere.
At the end of 2025, OpenAlex expanded its coverage with the launch of its fully rewritten codebase, Walden, adding over 190 million new works. This update included datasets, software, and other research objects from DataCite and thousands of repositories, making millions of previously hard-to-find works truly discoverable.
Indexing in OpenAlex further strengthens the visibility of work posted on Preprints.org by:
- Improving discoverability
With more than 3 million monthly pageviews in 2025, OpenAlex is widely used by researchers, institutions, developers, and data analysts as a discovery tool, making preprints hosted on our platform more visible within the global scholarly ecosystem.
- Greater exposure through API
Indexing in an open, API-ready dataset makes Preprints.org content accessible to universities, national governments, analytics platforms, and research evaluation workflows worldwide.
Broadening Research Visibility with Preprints.org
Looking to broaden research visibility early? At Preprints.org, we empower researchers to freely and instantly share their work with a global audience across disciplines, helping you gain early feedback, boost visibility, and accelerate discovery. Join over 400,000 researchers advancing open science on our accessible, multidisciplinary platform. Ready to submit? Upload your preprint today and make your work quickly discoverable.
Just exploring? Browse over 100,000 preprints across disciplines and stay ahead of the latest research.
