The Ultimate List of Sources for Free Background Patterns

http://www.instantshift.com/2009/03/28/the-ultimate-list-of-sources-for-free-background-patterns/

Xenocode Browser Sandbox - Run any browser from the web

http://www.xenocode.com/browsers/

Flashtuts

http://flash.tutsplus.com/

Full list of plugins planned for jQuery UI

http://wiki.jqueryui.com/
(You have to scroll a little bit down)

Regular Expressions in JavaScript, part 2

[Part 1 linked within the blog entry]
http://james.padolsey.com/javascript/regular-expressions-in-javascript-part-2/

10 Rare HTML Tags You Really Should Know

http://net.tutsplus.com/articles/web-roundups/10-rare-html-tags-you-really-should-know/

125+ Ultimate Round-Up of Illustrator Tutorials

http://www.instantshift.com/2009/03/19/125-ultimate-round-up-of-illustrator-tutorials/

Fancybox: jQuery Lightbox

http://fancy.klade.lv/

DD_belatedPNG: The best PNG Fix (including backgrounds!)

http://www.dillerdesign.com/experiment/DD_belatedPNG/

Peacerkeeper - Online Browser Benchmark

http://service.futuremark.com/peacekeeper/index.action

Throbber Online Generator

Preloader / Throbber Generator
http://preloaders.net/en/3d

Favicon Generator

Online Favicon Generator/Editor
http://favicon-generator.org/

Wappalyzer

Analyzes which web applications are running "under" a web site
http://wappalyzer.com/install/

Use the power of Illustrator to create cool 3D infographics

http://www.digitalartsonline.co.uk/tutorials/index.cfm?FeatureID=1823&pn=1

Wordle is a toy for generating “word clouds” from text that you provide

Wenn man das Artowrk über Acrobat druckt, bekommt man die vollen Vektoren - sehr praktisch.
http://www.wordle.net/

jQuery Code Documentation Favelet

http://davidwalsh.name/jquery-favelet-documentation

70 New, Useful AJAX And JavaScript Techniques

http://www.smashingmagazine.com/2009/03/08/70-new-useful-ajax-and-javascript-techniques/

TemplaVoila Tutorial: (Enlich mal) ein gutes

http://www.typo3-book.com/blog/index.php/2009/01/19/templavoila-tutorial-teil-1-templates-erstellen-und-mappen/

Updated Sketch GUI Shapes for Visio

http://www.abbett.org/2008/05/27/updated-sketch-gui-shapes-for-visio/

Free Icons (also for commercial use)

http://www.iconpot.com/

Stock Icons: Icondock

http://icondock.com/

15 Sites to download Free PSD files

http://dzineblog.com/2009/02/design-resource-15-sites-to-download-free-psd-files.html

25 Best Sites to Download Free Vector Files

http://dzineblog.com/2009/03/design-resource-25-best-sites-to-download-free-vector-files.html

50 Free Photoshop Brush Sets You Should Bookmark

http://www.hongkiat.com/blog/50-free-photoshop-brushes-you-should-bookmark/

71+ Free PSD Resources

http://www.presidiacreative.com/71-free-psd-resources/

40+ Sources To Download High-Quality Royalty Free Stock Images

http://www.instantshift.com/2009/03/03/40-sources-to-download-high-quality-royalty-free-stock-images/

Use jQuery with Google Analytics to Track Clicks on Outgoing Links From Your Site.

http://think2loud.com/2008/08/use-jquery-with-google-analytics-to-track-clicks-on-outgoing-links-from-your-site/

Pikachoose: jQuery Gallery Plugin

http://pikachoose.com/

D-Stressed Geometry

http://thedesignbureauofamerika.com/thebureaulovesyou/2009/02/d-stressed-geometry/

50 Stunning Photoshop Text Effect Tutorials

http://www.smashingmagazine.com/2009/03/04/50-stunning-photoshop-text-effect-tutorials/

10 Excellent Sources of Free PSDs

http://www.presidiacreative.com/10-sources-free-psds/

Quick Logos with Live Trace in Adobe Illustrator

http://www.layersmagazine.com/quick-logos-with-live-trace-in-adobe-illustrator.html

34 Super Cool Photoshop Brushes

http://www.graphicfetish.com/34-super-cool-photoshop-brushes/