Here’s a collection or Twitter Plugins for WordPress. With Twitter now being one of the most popular social networking websites on the internet, if you run a WordPress blog having a Twitter account is essential when connecting with your visitors. These Twitter Plugins help you bring  with your blog and Twitter account together!
Twitter Ultimate-Wordpress Plugin (Premium)
Twitter for WordPress displays yours latest tweets in your WordPress blog.
Posts a Twitter update when you update your WordPress blog or post to your blogroll, using your chosen URL shortening service. Requires PHP 5 and cURL
Birdo – Twitter Comments Plugin (Premium)
Birdo makes WordPress comments more powerful and social. It lets your users comment with a tweet, spurring the conversation and promoting your website at the same time.
Twitter Tools is a plugin that creates a complete integration between your WordPress blog and your Twitter account.
Official Tweet Button + Twitter Goodies Profile & Search Widget. Plugin shows your tweets on Page/Post/Widget area.
Twitter Traffic Pop for WordPress (Premium)
Instead of forcing your visitors to see popups with ads, why not ask them to Tweet instead! Tap into Twitter’s 100 million plus users with this hot new popup style marketing tactic. Make Twitter your slave with one line of code! More tweets = more exposure = more traffic = more money!
YOURLS is a free URL shortener service you can run on your webhost to have your own personal TinyURL.
Twitter Updates Widget for WordPress (Premium)
With this widget, you can show your latest tweets on your website. Create your own widget with its great customizability.
A widget that properly handles twitter feeds, including parsing @username, #hashtags, and URLs into links.
Twitter Trending Widget: A jQuery WordPress Plugin (Premium)
This is a simple WordPress plugin that allows you to track the trending of your posts based on the number of times the URL has been shared via the Twitter platform.Â
WordPress Dashboard Twitter represents a Dashboard Widget for WordPress, that turns your Dashboard into a Twitter Client.
Twitter Post Planner – WordPress Plugin (+bonus) (Premium)
Makes it easy for your site to use Twitter, in a wholly modular way.
zTwitter – Twitter Feed Widget For WordPress
zTwitter is a widget that shows users latest tweets using Seaofclouds jQuery plugin with a ton of widget visual options and easy to customize. It support multi user and use jQuery plugin, so end user must enable javascript feature on their browsers.
Creates a daily or weekly post containing tweets from a twitter account.
Integrate TwitterCounter.com badges on your blog to display the number of followers you have on Twitter
This plugin will install the official Twitter Button provided by Twitter to your WordPress-Blog.
Easily embed tweets in your posts and pages by posting the tweet URL on a line by itself or by using a shortcode provided by the new Twitter interface
Twitter Follow Button Pro for WordPress (Premium)
Twitter Follow Button Pro helps you add the new follow button to posts, pages, widget areas and anywhere on your WordPress theme.
Provides several Twitter widgets: show your own tweets, show tweets relevant to post’s tags, show tweets for Twitter lists, show tweets for hashtags.
Share a new blog post on Twitter using awe.sm or bit.ly url shorteners.
Tweet O’cron, schedule your tweets from WordPress (Premium)
Tweet O’cron allows you to conveniently schedule tweets from your WordPress site.
Twitter Fans (Like Box for Twitter)
TweetSearch – Twitter Search Plugin for WordPress
Premium WordPress plugin for displaying Twitter search results in your posts, pages and widgets.
Twitter is a great way to grow your websites traffic. With this plugin you can display an lightbox with a twitter likebox.
An easy to configure Twitter Plugin with Pretty URLs.
Add a sidebarwidget with your twitter timeline to your WordPress-Blog.
Twitter for WordPress Extended 2
Twitter for WordPress Extended 2 shows your tweets, tweets for a search term (e.g. a tag), your friends timeline or the current twitter trends.
Twitter real time search scrolling
This plug-in will scroll the most recent twittered contents based on the entered search word. Enter search word and see the live content in side bar.
Provides a twitter badge widget that you can place on your wordpress site to display tweets from a specific twitter user.
Tweet to Download for WordPress
Your very own TinyURL within your OWN domain! If you DO promote your blog posts in Twitter, then you MUST make your links look cool!
Provides a Twitter retweet button for your posts that shows all tweets, enables retweeting, and adds tweets as comments.
Displays your latest pictures from TwitPic in the sidebar of your blog. The plugin is widget ready and comes with many configuration options!
This plugin adds two widgets to your site: “Most Tweeted Posts†and “Recently Tweeted Postsâ€. It depends on the Tweetbacks plugin by Yoast, so make sure you have that plugin installed.
This widget is the perfect way to build your community and get more Twitter friends.
Ultimately my goal is to give the commenter the option of sending their comment to twitter and allowing people to follow that blogs comments both in the blog and in twitter