--- title: Contact Us | Center for Open Science --- - Our sites: - [OSF](https://osf.io) - [TOP Guidelines](https://www.cos.io/initiatives/top-guidelines?hsLang=en) - [* *Bluesky](https://bsky.app/profile/cos.io)[* *Mastodon](https://fosstodon.org/@CenterforOpenScience)[* *Linkedin](https://www.linkedin.com/company/center-for-open-science/)[* *YouTube](https://www.youtube.com/@CenterforOpenScience) - [**  Shop](https://www.redbubble.com/people/OpenScience/shop) - [**  Donate](https://www.cos.io/support-cos?hsLang=en) [![Center for Open Science](https://www.cos.io/hs-fs/hubfs/Logos/COS%202024/cos-full-tag-h.png?width=2000&height=293&name=cos-full-tag-h.png "Center for Open Science")](https://www.cos.io?hsLang=en) ** ** # Contact Us ## Need Support? ![OSF Technical Help](https://www.cos.io/hubfs/Icons/2023/icon-collaborate.png "OSF Technical Help") ### OSF Technical Help Seeking technical assistance for OSF, personal OSF accounts, OSF projects, preprints, or registrations? Explore our [helpdesk resources](https://help.osf.io/?_gl=1*q20p8v*_ga*NjIwMDgxODU0LjE2NTc2NDY5MjY.*_ga_YE9BMGGWX8*MTcwOTc3Njk1Ny4xNTQuMS4xNzA5Nzc3NDQzLjU5LjAuMA..). Still can't find what you need? [![Email OSF Support](https://no-cache.hubspot.com/cta/default/6723653/14a7ac59-8080-415c-8e8c-8b241194547a.png)](https://cta-redirect.hubspot.com/cta/redirect/6723653/14a7ac59-8080-415c-8e8c-8b241194547a) ![Registration Help](https://www.cos.io/hubfs/Icons/2023/icon-registration.png "Registration Help") ### Registration Help Need technical assistance with creating a registration or preregistration? Take advantage of our [amazing resources](https://www.cos.io/initiatives/prereg?hsLang=en). Can't find what you need? 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For media inquiries, contact [pr@cos.io](mailto:pr@cos.io). ![Supporting COS](https://www.cos.io/hubfs/Icons/2023/icon-heart.png "Supporting COS") ### Supporting COS COS relies on many forms of financial support, including personal contributions from individuals. Please consider [making a one-time or recurring gift to COS](https://www.cos.io/support-cos?hsLang=en). If you have questions, please contact the COS Development Team via email at [giving@cos.io](mailto:giving@cos.io). ![Center for Open Science](https://www.cos.io/hubfs/Logos/COS%202024/cos-full-tag-h-w.png) 6218 Georgia Avenue NW, Suite #1, Unit 3189 Washington, DC 20011 Email: [contact@cos.io](mailto:contact@cos.io) - [* *Bluesky](https://bsky.app/profile/cos.io) - [* *Mastodon](https://fosstodon.org/@CenterforOpenScience) - [* *Linkedin](https://www.linkedin.com/company/center-for-open-science/) - [* *YouTube](https://www.youtube.com/@CenterforOpenScience) **Join our mailing list** [![Creative Commons License](https://i.creativecommons.org/l/by/4.0/88x31.png)](http://creativecommons.org/licenses/by/4.0/) Unless otherwise noted, this site is licensed under a [Creative Commons Attribution 4.0 International (CC BY 4.0) License](https://creativecommons.org/licenses/by/4.0/). 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COS and the OSF were also awarded SOC2 accreditation in 2023 after an independent assessment of our security and procedures by the **[American Institute of CPAs (AICPA)](https://www.aicpa-cima.com/resources/landing/system-and-organization-controls-soc-suite-of-services)**. We invite all of our sponsors, partners, and members of the community to learn more about how our organization operates, our impact, our financial performance, and our nonprofit status. **Photo Stream** - - - - - - - - - - - -