Crossref makes research outputs easy to find, cite, link, assess, and reuse.We're a not-for-profit membership organization that exists to make scholarly communications better. We rally the community; tag and share metadata; run an open infrastructure; play with technology; and make tools and services—all to help put research objects in context.It's as simple—and as complicated—as that.

scholarly publishing technology standards Digital Object Identifiers (DOI) CrossCheck Cited-By Linking Crossref Metadata Services books journals conference proceedings reference linking text and data mining funder registry CrossMark Metadata Reference linking Funding data License information Metadata APIs Persistent Identifiers (PIDs) scholarly communication Citation metadata and counts research outputs research funding research data research infrastructure persistent identifiers Open Funder Registry PIDs Market Research Commercial Nonphysical Research Research