AJAX
Protolize
LightBox
DHTML Goodies**
Ajax @ Solutoire Lot of links to study
Canvas tutorial useful tag - but mozilla only - see Pipes from Yahoo

BOOK
Getting Real - by 37signals

COMPANY
37signals - Basecamp, RoR and more

CSS
CSS cleaner
CSS Hack Table - which hack in which browser
CSS HOT Dates - Good format of Date display
Alvit Handbook - List of useful links

CSS + JS
Nice Form (replace checkbox and combobox with image) - Nice
Nice Form (able to replace textbox, textarea but not good ui in combobox, checkbox - cannot click in the image itself)
Link Thumbnails - Choosable which link to have thumbnail, or all

DESIGN & USABILITY
Fadtastic
Tony Yoo
Fusion Fox
OSX HI Guidelines
Thai Mac Dev

FUN & INSPIRATION
CSS Reboot Every 1st Nov
Logo Pond Source of cool new logo & comments
icon magazine
Dexigner news

FLASH
Flash Sandy 3D API for flash

GALLERY
CSS Remix
CSS Bloom
CSS Tux
CSS Beauty

GRAPHIC RESOURCE
Ajax Load**
FamFamFam icons
Set of free,GNU,CC icons - a lot ***
Urban Fonts
Brusheezy- free cool brush **
Vecteezy- free cool vector **

INSTANT SCRIPT
Vanilla Forum - Cleaner than most forum

ETC..
Creative Commons
Ajax Whois
แอนอร่อย - very useful bookmark list of iannnnn

PHOTOSHOP
Photoshop Blog

SAME
Photagious - Demo

TOOL
Color Wizard - Color Chooser
WYSIWYG Editor - How to in Jscript
WYSIWYG Editor - Comparison Chart