This handy PHP Cross Reference of WordPress Source from Yoast is one of my favorite bookmarkable finds this week. It helps you to quickly find definitions of functions and variables within the WordPress source. You can search the current Trunk or any of the previous versions of WordPress. It allows you to search function, class, variable, or constant. While learning about how WordPress works, you could easily save hours by using this quick search tool.
If you're thinking about starting a paid, or just private, membership site then this is truly the plugin you've been looking for. Easy to use, massively configurable and ready to go out of the box!Find out more
Now there's no need to pay for a third party service to sign up, manage and send beautiful email newsletters to your subscriber base - this plugin has got the lot.Find out more
It's now incredibly easy to start your own Q&A site using nothing more than WordPress - The Q&A plugin simply and brilliantly transforms any site, or page, into a perfect support or Q&A environment.Find out more
Out of all the WordPress ecommerce plugins available, MarketPress has got to be the winner - easy to configure, powerful functionality, multiple gateways and more. A simply brilliant plugin!Find out more
Would you like to add Facebook comments, registration, 'Like' buttons and autoposting to your WP site? Well, The Ultimate Facebook plugin has got that all covered!Find out more
Fully integrated with the SEOMoz API, complete with automatic links, sitemaps and SEO optimization of your WordPress setup - this is the only plugin you need to help you rank your site number 1 on Google - nothing else compares.Find out more
To get a wiki up and running you used to need to install Mediawiki and toil away for days configuring it... not any more! This plugin gives you *all* the functionality you want from a wiki, in WordPress!!!Find out more