1 – 5

Login Lockdown

Adds extra security to WordPress by adding basic protection to your login form.

Akismet

The internet’s most used spam blocker.

All-In-One SEO Pack

Makes your website rank better in search engines such as Google.

Broken Link Checker

Helps you keep your website’s links up-to-date.

Contact Form 7

Provides a contact form that will protect your email address from spam.

6 – 10

FollowMe

Allows you to add a Twitter badge to your website.

Global Translator

Translates a blog in 41 different languages to help you reach new audiences.

Google XML Sitemaps

Creates a sitemap to help you website rank higher in search engines.

MaxBlogPress Ping Optimizer

Saves your WordPress blog from getting tagged as ping spammer.

SEO Smart Links

Increases your website’s search engine rankings by interlinking your blog posts.

11 – 15

Sociable

Automatically add links on your posts, pages and RSS feed to your favorite social bookmarking sites.

Subscribe To Comments

Allows readers to receive notifications of new comments that are posted to an post.

Thank Me Later

Automatically sends a ‘thank you’ email to those who comment on your blog.

Top Commentators Widget

Adds a sidebar widget to show the top commentators in your WordPress site.

TweetMeme Retweet Button

Adds a button which easily lets your readers easily promote your posts on Twitter.

16 – 20

WordPress.com Stats

Tracks important information (views, post/page views, referrers, and clicks) on your blog.

WP-Email

Allows people to email your posts to their friends.

WP SpamFree

Stops nearly all comment spam.

WP Super Cache

Makes your blog pages and posts load faster.