Here are the list of online tools which are useful for Web 2.0 design:

Gradient Texture

http://www.grsites.com/generate/generator/5000/

Gradient Image Maker
Can use as web page design, background of form buttons, DIVs, shadows and other visual effects.

http://tools.dynamicdrive.com/gradient/

Tile Gallery

http://www.tilemachine.com/

Background Image Maker

http://lab.rails2u.com/bgmaker/

Web 2.0 bandwagon

http://www.web20generator.com/

Rounded corners with gradient

http://roundedcornr.com/

Googles Rounded Corner Generator

http://ajaxian.com/archives/googles-rounded-corner-generator

Stripe generator for web 2.0

http://www.stripegenerator.com/

Rounded corner graphics to use in your website design

http://wigflip.com/cornershop/

Web 2.0 button generator

http://www.buttonator.com/

Web 2.0 button template

http://www.buttonboost.com/startweb.html

Feed icon for web 2.0

http://www.feedicons.com/

Rss button generator

http://www.rssbuttons.com/

Web 2.0 badge

http://adclustr.com/other-downloads/27

Glass button generator

http://www.netdenizen.com/buttonmill/glassy.php

Web 2.0 logo maker

http://web2.0stylr.com/stylr.aspx

If you like what you see, buy me a tea!

Stumble it!