Open access (disambiguation)

Open access is unrestricted online access to peer-reviewed scholarly research.

Open access may also refer to:

Computing, Internet and communication

 * OpenAccess, a common database initiative in electronic design automation
 * Open-access network, a horizontally layered network architecture and business model
 * Open Access Same-Time Information System, a policy for transmission service
 * Open communication, open access to communications infrastructure and services

Other uses

 * Open access (economics), non-excludable resources in economics
 * Open Access (UK and Ireland TV channels), a set of commercial television channels on the Sky satellite platform operated from the United Kingdom
 * Open access (infrastructure), access to infrastructure such as railways
 * Open-access operator, in rail transport
 * Open access, in the right of public access to the wilderness
 * Open access mission, synonymous for open admissions policies in higher education
 * Open access (publishing), journals that gives open access to its articles
 * An unjuried exhibition or festival
 * Fringe festival