Plan S is an initiative for Open Access publishing that was launched in September 2018.
Plan S aims for full and immediate open access to publications. The coalition of research funders that have committed to implement Plan S (cOAlition S) aims to accelerate the transition to a scholarly publishing system that is characterised by immediate, free online access to, and largely unrestricted use and re-use of scholarly publications.
The 3 main routes to compliance are:
The plan is supported by cOAlition S, an international consortium of research funders. Plan S requires that, from 2021, scientific publications that result from research funded by public grants must be published in compliant Open Access journals or platforms.