Help people share, bookmark, and email your posts & pages using any service, such as Facebook, Twitter, Google, StumbleUpon, Digg and many more. http://wordpress.org/extend/plugins/add-to-any/

Used by millions, Akismet is quite possibly the best way in the world to protect your blog from comment and trackback spam. It keeps your site protected from spam even while you sleep http://akismet.com/

Akismet checks your comments against the Akismet web service to see if they look like spam or not and lets you review the spam it catches under your blog’s “Comments” admin screen. http://wordpress.org/extend/plugins/akismet/

MailChimp’s Analytics360 plugin allows you to pull Google Analytics and MailChimp data directly into your dashboard, so you can access robust analytics tools without leaving WordPress. http://wordpress.org/extend/plugins/analytics360/

his plugin provides users with a to-do list feature. You can configure the plugin to have private to-do lists for each user, to have all users share a to-do list, or to have a master list with individual completion of items. The shared to-do list has a variety of settings available. You can assign to-do [...]

Contact Form 7 can manage multiple contact forms, plus you can customize the form and the mail contents flexibly with simple markup. The form supports Ajax-powered submitting, CAPTCHA, Akismet spam filtering and so on. http://wordpress.org/extend/plugins/contact-form-7/

Disqus, pronounced “discuss”, is a service and tool for web comments and discussions. Disqus makes commenting easier and more interactive, while connecting websites and commenters across a thriving discussion community. http://wordpress.org/extend/plugins/disqus-comment-system/

This WordPress plugin adds an automatic and dynamic “To Top” button to easily scroll long pages back to the top. http://wordpress.org/extend/plugins/dynamic-to-top/

Easy FancyBox plugin for WordPress websites gives you a flexible and aesthetic lightbox solution for just about all media links on your website. Easy FancyBox uses the packed FancyBox jQuery extension and is WP 3+ Multi-Site compatible. After activation you can find a new section FancyBox on your Settings > Media admin page where you [...]

This plugin allows you to replace a file in your media library by uploading a new file in its place. No more deleting, renaming and re-uploading files! http://wordpress.org/extend/plugins/enable-media-replace/

This plugin integrates the Facebook commenting system (new, old or both) right into your website. If a reader is logged into Facebook while viewing any comment-enabled page or post, they’ll be able to leave a comment using their Facebook profile. http://wordpress.org/extend/plugins/facebook-comments-for-wordpress/

With this plugin you will be able to make a FAQ for your website with a nice accordion effect. You can completely style this plugin yourself. I did create SOME css, but it’t totaly up to you. http://wordpress.org/extend/plugins/faq-accordion/

A simple FAQ plugin where you can create Categories and put Questions in them. You can easily insert them in a page with the WYSIWYG editor. Able to turn JavaScript on or off. http://wordpress.org/extend/plugins/faq-you/

This plugin makes it simple to add Google Analytics to your WordPress blog, adding lots of features, eg. custom variables and automatic clickout and download tracking. http://yoast.com/wordpress/google-analytics/

This plugin will generate a special XML sitemap which will help search engines like Google, Yahoo, Bing and Ask.com to better index your blog. http://www.arnebrachhold.de/projects/wordpress-plugins/google-xml-sitemaps-generator/

Insert Link Class is a plugin for WordPress that allows WordPress Administrators to add additional classes to the class option within the Insert / Edit Link functionality of WordPress’ TinyMCE editor. http://wordpress.org/extend/plugins/insert-link-class/

Lightbox Plus implements ColorBox as a lightbox image overlay tool for WordPress. ColorBox was created by Jack Moore and is licensed under the MIT License. Lightbox Plus for WordPress implements ColorBox as a lightbox image overlay tool for WordPress. ColorBox was created by Jack Moore and is licensed under the MIT License. Lightbox Plus permits [...]

The MailChimp plugin allows you to quickly and easily add a signup form for your MailChimp list as a widget on your WordPress 2.8 or higher site. http://wordpress.org/extend/plugins/mailchimp/

NextGen Gallery is a great plugin to host your own photo gallery. Its a big upgrade from the built in image features of WordPress. You can even embed galleries into your post or pages. http://alexrabe.de/wordpress-plugins/nextgen-gallery/

OpenID is an open standard that allows users to authenticate to websites without having to create a new password. This plugin allows users to login to their local WordPress account using an OpenID, as well as enabling commenters to leave authenticated comments with OpenID. The plugin also includes an OpenID provider, enabling users to login [...]

Really Simple CAPTCHA does not work alone and is intended to work with other plugins. It is originally created for Contact Form 7, however, you can use it with your own plugin. http://wordpress.org/extend/plugins/really-simple-captcha/

Puts Facebook, Twitter, LinkedIn and other share buttons of your choice above or below your posts. http://www.whiletrue.it/en/projects/wordpress/22-really-simple-facebook-twitter-share-buttons-per-wordpress.html

Regenerate Thumbnails allows you to regenerate the thumbnails for your image attachments. This is very handy if you’ve changed any of your thumbnail dimensions (via Settings -> Media) after previously uploading images or have changed to a theme with different featured post image dimensions. You can either regenerate the thumbnails for all image uploads, individual [...]

Designed for average users to use, ideal for developers who want to save time, this plugin gives links to the most prominent Social Networking sites for sharing and following, presented in many different formats (widgets/shortcode/template tag/auto added). Optional subscriptions for extra 25 icons sets. I use this plugin for the widget feature. http://wordpress.org/extend/plugins/share-and-follow/

ShareThis offers the most innovative sharing platform for today’s social audience. Our suite of solutions for advertisers and publishers inspire people to do more of what we believe is the foundation of digital life – to share. http://sharethis.com/

Shashin has many features for displaying photos and videos from Picasa, Youtube, and Twitpic in your WordPress posts and pages: Show a gallery of all your albums, photos, and videos, with multiple options for organizing them Use a jQuery based WYSIWYG media browser for easily adding photos, videos, and albums to your posts Show your [...]

Shutter Reloaded is an image viewer for your website that works similarly to Lightbox, Thickbox, etc. but is under 10KB in size and does not require any external libraries. It has many features: resizing large images if the window is too small to display them with option to show the full size image, combining images [...]

Broadcast posts to Twitter and/or Facebook, pull in items from each as comments, and allow commenters to use their Twitter/Facebook identities. Brought to you by MailChimp, Social is a lightweight plugin that handles a lot of the heavy lifting of making your blog seamlessly integrate with social networking sites Twitter and Facebook. http://wordpress.org/extend/plugins/social/

Enables advanced features and plugins in TinyMCE, the visual editor in WordPress. http://www.laptoptips.ca/projects/tinymce-advanced/

Beautiful video galleries on your WordPress site. http://tubepress.org/

Displays Visitor Maps with location pins, city, and country. Includes a Who’s Online Sidebar to show how many users are online. Includes a Who’s Online admin dashboard to view visitor details. The visitor details include: what page the visitor is on, IP address, host lookup, online time, city, state, country, geolocation maps and more. No [...]

Provides integration between your blog and your Facebook account. http://wordbooker.tty.org.uk/

WordPress Backup to Dropbox has been created to give you peace of mind that your blog is backed up on a regular basis. Just choose a day, time and how often you wish yor backup to be performed and kick back and wait for your websites files and a SQL dump of its database to [...]

Use WordPress’ nav menu system to create left/right widget flyouts, with support for Superfish http://wordpress.org/extend/plugins/wordpress-css-drop-down-menu/

On-demand backup of your WordPress database. http://austinmatzko.com/wordpress-plugins/wp-db-backup/

Allows you to optimize database, repair database, backup database, restore database, delete backup database , drop/empty tables and run selected queries. Supports automatic scheduling of backing up, optimizing and repairing of database. http://wordpress.org/extend/plugins/wp-dbmanager/

Adds a more advanced paging navigation to your WordPress blog http://wordpress.org/extend/plugins/wp-pagenavi/

Integrates reCAPTCHA anti-spam solutions with wordpress. http://wordpress.org/extend/plugins/wp-recaptcha/