This guide provides curated resources to support digital data repositories seeking CoreTrustSeal certification. It includes policy templates and real-world application examples, as well as training programs, information about peer support opportunities, and official guidance documents. All resources are open-access, with some available in English and French, and licensed for reuse under CC-BY.

The resources included here go back to resources created to assist repositories preparing applications under CoreTrustSeal requirements from 2020 onward, including the 2020–2022, 2023–2025, and the most recent 2026–2028 cycles. The focus is on practical guidance, up-to-date templates, case studies, and training materials that address evolving certification standards and support successful application efforts.