WP-Table Reloaded

Tobias Bäthge has created an incredibly useful plugin. I make use of this plugin daily on several sites and it allows me to streamline my work and save time. Very full-featured and constantly updated.

Thanks Tobias, I hope you get some love here!

Akismet

Popular Comment Spam prevention plugin and service by Automattic

Google XML Sitemaps

Generates a XML sitemap which helps search engines to index your site.

PollDaddy

One of the best WordPress poll plugins available. Easy to setup and use, and has a built-in post ratings feature for posts and comments.

Attachments

Attachments allows you to simply append any number of items from your WordPress Media Library to Posts, Pages, and Custom Post Types.

TBTestimonials

A Testimonial Manager for WordPress that is powered by Custom Post Types. Really flexible design allows easy customization and there’s even a spiffy sidebar widget.

Login LockDown

Login LockDown records the IP address and timestamp of every failed login attempt. If more than a certain number of attempts are detected within a short period of time from the same IP range, then the login function is disabled for all requests from that range. This helps to prevent brute force password discovery.

Get Snarky

A ‘replacement’ for the original Hello Dolly plugin, this has some crass (but hilarious) phrases that’ll be displayed on the top of the admin panel, along with an optional sidebar widget.

All In One SEO Pack Pro

Pro version of the #1 MOST DOWNLOADED WordPress plugin. Optimizes your WordPress blog for Search Engines.

Pro Version Features:

  • Custom Taxonomy support
  • Advertisement-free
  • Ideal for Developers and Firms using the plugin on client sites
  • Support Forum
  • Advanced notice of new features, updates, functionality

S2 member

s2Member is an extremely powerful ( and free ) membership management system for WordPress®. The s2Member Framework ( free ) integrates seamlessly with PayPal® ( very easy ), and fully supports recurring billing, with the ability to track affiliate commissions on a recurring basis. s2Member supports custom Pages for registration ( including Custom Registration Fields ), account access, and a whole lot more. Now compatible with Multisite Networking too, and even with BuddyPress if you like!