A great list of fantastic free themes from 2008 by design blog Made in Mundo.

List of twenty essential WP plugins for new blogs. Includes plugin definition, installation video, Akismet, All in One SEO Pack, WP Super Cache, and many more

A list of free plugins which have similar functionality to paid/premium plugins.

Glass is an new free web 2.0 advanced WordPress theme which includes a full-featured built-in “CSS editor” that allows user to tweak the design and graphics without touching any code.

SuperFresh is a 3 Column fresh theme base with natural green. It contain 2 widget-ready sidebar, custom templates, with a featured post section in the main page. It’s compatible with up to WordPress 2.6 and has been tested with in Firefox, Internet Explorer 6 & 7, Opera, and Safari.

Today we are glad to release Infinity — a free professional Wordpress-theme. The theme has 3 fixed columns, thumbnails integration, Flickr, Delicious and Twitter integration as well as an attractive visual design. The theme was designed by Zhang Yichi, the creative mind behind Vikiworks Studio from Shanghai, China especially for Smashing Magazine and its readers.

The clasic and timeless themes of Andreas Viklund, a 28-year old blogger, web designer and music producer from Jokkmokk, northern Sweden.

Free professional WordPress themes always come in handy. Whether you are looking for some design inspiration or professional coding solutions — in both cases you can learn a lot, you can apply them and you can build customized designs upon them without reinventing the wheel all the time.