Beall's List of Predatory Journals and Publishers List of potential predatory Open Access publishers compliled by librarian Jeffrey Beall.
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, 40% of which comes from sponsors and 60% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. All data is freely available. DOAJ operates an education and outreach program across the globe, focussing on improving the quality of applications submitted.
OpenDOAR is an authoritative directory of academic open access repositories.
As well as providing a simple repository list, OpenDOAR lets you search for repositories or search repository contents.The current directory lists repositories and allows breakdown and selection by a variety of criteria - see the Find page - which can also be viewed as statistical charts. The underlying database has been designed from the ground up to include in-depth information on each repository that can be used for search, analysis, or underpinning services like text-mining.