Resources/Informational

Marginalia - old web-focused search engine
Radiooooo - global radio from various decades
TextureTown - tiling texture collection (has an interactive 3d playroom!)
Nuko Channel - collection of little pixel cats
Gifcity - collection of blinkies and other web graphics
Internet Movie Firearms DB - info on real weapons used in media
Font Squirrel - (actually) freeware fonts
Int10h - pixel fonts from old computers
Interval Signals Online - radio airchecks from around the world
Hackers Curator - more info about hackers (1995) than any sane person should know (costumes section is a highlight!)

Fun

Infinite Dex - look at pokemon fusions
Barry Martin's Hopalong Orbits Visualizer - suuuper cool looking
PicMix - blingee style/"scene/emo" gif generator
Simon Tatham's Portable Puzzle Collection - free puzzles (i recommend the mobile ports as time wasters)
Yume Nikki Online Project - (multiplayer) browser port of yume nikki, yume 2kki, and other similar rpgmaker titles
Infinite Mac - browser based classic mac/nextstep emulator

Cool Personal Pages

The Rainbow Locker - super colorful!
Decamarks - cool wesbite, talented artist
Bye2 - music i like
Thought Experiments Lain - really old lain fansite
CERN Animal Shelter for Computer Mice - animals :)
World of Ovengoats - awesome aqua green realm, i love the floating gifs
Yyyyyyy - (resource intensive) visual trainwreck
More soon! (if you're my friend and you want your site on here let me know )