ConceptShare is a simple, cost-effective tool for gathering feedback from team members and clients.
http://www.conceptshare.com/

Override Inline Styles with CSS

http://css-tricks.com/override-inline-styles-with-css/

25 Unique uses of WordPress as CMS
http://www.noupe.com/wordpress/25-unique-uses-of-wordpress-as-cms.html

ColoRotate: browse and create your color palette in 3D
http://woork.blogspot.com/2009/05/colorotate-browse-and-create-your-color.html

75+ Truly Remarkable Typography Resources
http://www.gracesmith.co.uk/75-truly-remarkable-typography-resources/

Gmail/Facebook Style jQuery Chat
http://anantgarg.com/2009/05/13/gmail-facebook-style-jquery-chat/

7 Powerful image carousels for web designers
http://woork.blogspot.com/2009/05/7-powerful-image-carousels-for-web.html

Tracker is an story-based project planning tool that allows teams to collaborate in real-time.Links for today
http://www.pivotaltracker.com/

AS3 tween Engine
http://www.lostinactionscript.com/blog/index.php/2009/01/05/tweensy-goes-public/

Away 3d Realtime 3d Engine for flash
http://away3d.com/

open source data visualization
http://www.axiis.org/

Swiz is a framework for Adobe Flex that aims to bring complete simplicity to RIA development.
http://code.google.com/p/swizframework/