CSS Frameworks
7.css: "a CSS framework for building interface components that look like Windows 7"
XP.css: "XP.css is an extention of 98.css. A CSS library for building interfaces that look like old UIs"

Graphics (for a more comprehensive collection check out my resources page
Blinkie.Cafe: "a blinkie generator you can use to create your own blinkie gifs, choosing from dozens of styles and adding whatever text you like!"
Gifcities: "The GeoCities Animated GIF Search Engine"
88x31 Button Collection: "A collection of 4540 classic 88x31 buttons from the 1990s, 2000s, and today in GIF format"
Web Badges World: "The ultimate archive of 80x15 pixel button art"
Cursors-4U: "Cursors for your tumblr, blog, website, & windows computer mouse
The Spriter's Resource:
Ditherit: "An image dithering tool "
Dither Me This: "Use this tool to reduce the file size of an image… but in a stylish old-school way."
Earthbound Text Labs by Bill Eager
Undertale Text Box Generator
The VG Resource
The Death Generator

Specific Coding Credits
CRT TV Display in CSS:
JS hover sound
Tooltip plug-in
Webamp
Winamp Skin Museum
W3Schools
CSS/Javascript Slideshow

Last.fm Scrobbling Widget
GIFYPET
Tamanotchi: "tamaNOTchi are cute virtual pets you can customize, grow, and share on your blog or website!"

Image Hosting
Imgur
Catbox.moe

Miscellaneous
Ezgif
DaFont

Commonly Used Fonts
Ms pgothic
Lotus Flower
Style Savvy 2008 - made by me :)
timespixel
Milky Well