DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. DOAJ is independent. All funding is via donations, 50% of which comes from sponsors and 50% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. All metadata is freely available.
Introduction to OA from the Technische Universiteit Eindhoven.
A compendium of simple factual lists about open access (OA) to science and scholarship, maintained by the OA community at large. By bringing many OA-related lists together in one place, OAD makes it easier for everyone to discover them, use them for reference, and update them.
Quality scoring of OA journals based on academic crowdsourcing.
SPARC is a global coalition committed to making Open the default for research and education.