general
- Fandom (wikis and walkthroughs)
 - The Library of Congress (massive archive of many types of media)
 - MasterWiki (MasterClass content presented in a WikiHow format)
 - My Retro TVs (retro television emulator)
 - Priyom (numbers stations info)
 - solitr.com (browser-based solitaire, spider, mahjong, and sudoku)
 - SuperCook (recipes in reverse)
 - The Video Game Museum (video game info and screenshots)
 - word.golf (browser-based word relation game)
 outdoors & travel
- Atlas Obscura (unique places and foods from around the world)
 - Bass Resource (bass fishing info)
 - Roadside America (cool places in North America)
 - Take Me Fishing (fishing licenses and more)
 - Wikivoyage (worldwide travel guide)
 religious
- Catholic Answers (Catholic apologetics)
 - USCCB (United States Conference of Catholic Bishops)
 visual art
- AutoDraw (converts rough sketches to clean .pngs)
 - CARI Index of Aesthetics (the title says it best)
 - Enchanted Learning (visual dictionary and more)
 - GifCities (thousands of .gifs from the Internet Archive)
 - GUIdebook (archive of graphical user interfaces)
 music
- AutoChords ( )
 - Citizen DJ (browser-based beat machine with public-domain samples)
 - Music Theory (music theory info)
 - Musicmap (visual guide through music genres)
 - Online Sequencer (browser-based music sequencer)
 - Radio Garden (worldwide radio)
 - Radiooooo (international hits from any decade)
 tech
- Information Mesh (timeline of web history)
 - The Malware Museum (harmlessly emulates viruses in-browser)
 - NeoCities (where we are now)
 - Vimm's Lair (video game console emulators and ROMs)
 - The World Wide Web Project (the first website)
 

  
  each website listed here provides much, if not all, of its content for free
  
  
    
    
    
    