The Open Access Scholarly Publishing Association (OASPA) is a diverse community of organisations engaged in open scholarship. OASPA work to encourage and enable open access as the predominant model of communication for scholarly outputs and are committed to ensuring a diverse, vibrant, and healthy open access community. Our membership includes scholar-led and professional publishers of books and journals, across varied geographies and disciplines, as well as infrastructure and other services.

Within DIAMAS, OASPA is contributing to the development of the Extensible Quality Standard for Institutional Publishing (EQSIP), and producing tools and guidelines to enable open access publishers to understand and meet those standards. OASPA is also supporting work packages relating to the sustainability of institutional open access publishing, and in the communication and dissemination of information about the project to the open access publishing.