- All Media Network – a commercial database combining information from the older AllMovie and AllMusic sites
- Animator.ru
- Archive.org
- Arthur Lloyd, The Music Hall and Theatre History Site (UK)
- Band Logo Jukebox
- Bibliographic database (Internet Book Database; IBookDb)
- Big Cartoon DataBase (BCDB)
- Bing – different results from Google, has image search and reverse image search
- British Newspaper Archive
- Catalogo generale dei Beni Culturali – Italian cultural artifacts
- DBCult Film Institute
- Discogs – music release reference guide and sales site
- Douban
- Filmweb
- Find a Grave
- FindAnyFilm
- Flickchart
- Fold3 – for military records
- Frankensaurus, "the enormous thesaurus freak" for finding similar people, shows, events, and other entities
- Goodreads
- Grand Comics Database
- HathiTrust Digital Library
- Hooktheory – database of song tabs, with player, for music theory
- Internet Adult Film Database
- Internet Movie Cars Database (IMCDb)
- Internet Movie Firearms Database (IMFDb)
- Internet Broadway Database (IBDb)
- Internet Off-Broadway Database (IOBDb)
- Internet Speculative Fiction Database (ISFDb)
- Internet Theatre Database (ITDb)
- Know Your Meme
- Letterboxd
- LibraryThing – another Goodreads
- The Megalithic Portal
- Metacritic
- Newspapers.com
- The Numbers
- Online Etymology Dictionary
- OpenLibrary – usually links to previews on archive.org, and gives publication dates
- Project Gutenberg
- Project Gutenberg Australia – has some different books
- Rotten Tomatoes
- StackExchange and StackOverflow for technical questions
- TheTVDB
- Tineye – reverse image search
- WhoSampled (music)
