Tutorials

htmldog.com

w3schools.com

CSS Portal

Free webmaster resources online

Code Snippets

crt-display.html (how to create a CRT effect using CSS)

Customize HTML5 Audio Player with CSS

grid.malven.co (a simple visual cheatsheet for CSS Grid Layout)

CSS Layout Generator

jqueryui.com (UI codes)

freefrontend.com

codesies

Hoards

sadgrlonline (a helpful resource for website creation)

Tiny Tools Directory (small, free, and/or experimental tools)

GIFCITY (gif and png collection)

tiny backgrounds (backgrounds collection)

ASCII Art Archive

Cool Borders

Resources List for the Personal Web

Awesome lists about all kinds of interesting topics

Other

imagebam.com (image hosting)

codebeautify.org (coding tools)

broider (border creator)

MagicPattern (picture effects and pattern gernerators)

UTDR Graphics!