- gaydemographics.org - Features census and official figures about same-sex couples. Includes the United States and other nations.
- Hugh Young's Lexicon of Polari - Includes glossary with alternative spellings, word origins, and pronunciation.
- Outcyclopedia - Reference and resource guide for the gay, lesbian, bisexual, and transgendered communities. Alphabetical listings with related resources. Accepts contributors.
- Polari - British Gay Slang - A introduction to Polari, the archaic British gay slang, with a wordlist, related links, and bibliography.
- QueerAmerica - National database of queer resources with standard and advanced search options.
- Rebecca's Dictionary of Queer Slang and Culture - Includes listings of commonly used words and terms.
- The Gay and Black Glossary - Definitions of terms used in personal ads and other slang. Includes related links and a chart showing numerical probability of HIV infection for various sexual activities.
