Directory of open access journals (DOAJ) is "a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals."

JustDeleteMe: A directory of direct links to delete your account from web services.

Resolve a Digital Object Identifier (DOI) name: Your browser will take you to a Web page (URL) associated with that DOI name.

  • The DOI Handbook is "the primary source of information about the DOI® system."

See also: DNS resolvers and Guides