Partner with us to create positive culture change in the research community.

Thank you for your interest in supporting COS! Your ongoing support is essential to keep OSF and open science moving forward. With every donation, you help to accelerate innovation in open and transparent scientific practices. 


Interested in giving offline? Learn more about different ways you can support COS by visiting If you are looking to support a specific preprint service, please click here.

We respect your privacy. COS will never sell, trade, or otherwise release your personal information without your consent.

COS is a public charity as described in Section 501(c)(3) of the Internal Revenue Code; EIN #46-1496217. Your donation is tax deductible to the extent allowed by law. Help us keep science open and make a donation today. If you have questions or would like to support COS using assets or mechanisms outside those mentioned above, please contact Terry Foor, Director of Development, via email at or call (434) 207-2133.