Patents from all developed countries and many developing countries. Patent Lens (IOI Lens) has a better search interface than the United States Patent & Trademark database. It also provides PDFs of most patents.
PhilPapers is a comprehensive index of philosophy books and articles. PhilPapers offers unique features such as real-time indexing of pre-prints, fine-grained classification by topic, email alerts, reading lists, advanced search functionality, and discussion forums.
Provided by the American Psychological Association, PsycINFO offers access to international literature in psychology and related disciplines including psychiatry, education, business, medicine, nursing, pharmacology, law, linguistics, and social work. When you search PsycINFO, you are also searching the Proquest Psychology Journals database and the PsycARTICLE database.