As part of the EOSC Future project, the Research Data Alliance (RDA) is launching a call for proposals to improve the technical data frameworks for the European Open Science Cloud (EOSC). These proposals should focus on maintaining, optimising and documenting existing frameworks in keeping with RDA’s outputs and recommendations. Applicants can submit their proposal until 29 October 2021, 16.00 CEST via the EOSC Future Grants Platform.Grants of max. €12 500 will be awarded over the lifetime of the EOSC Future project. Further calls with a similar focus may be opened in 2022 and 2023.