Raihanul Islam

Connect your Twitter account to this plugin and the widget will display your latest tweets on your site. This plugin is compatible with the new Twitter API 1.1 and provides full OAuth authentication via the WordPress admin area.
<h4>Usages</h4>
<ol>
<li>At first, Install and activate the plugin.</li>
<li>Go to <code>Dashboard >> Appearance >> Widgets</code> and you will find a widget <code>Latest Tweets</code> click on it and select at which Widget Area you want to show it.</li>
<li>Fill Widget detail and click <code>Save</code>.</li>
<li>You need Consumer Key, Consumer Secret, Access Token and Access Token Secret.</li>
</ol>
To get this create an account at <a href="https://apps.twitter.com/app/new" rel="nofollow ugc">Twitter Developers</a>.

Awesome Latest Tweets

A widget that displays your latest tweets from your twitter account using Twitter API 1.1

OpenWeb Admin

Comments Evolved ( formerly Google+ Comments for WordPress ) makes the comment section tabbed seamlessly adding tabs for G+ Comments, Facebook, Disqus, WordPress Comments, and Trackbacks
If a user is required to create an account with your site before they can comment, you might as well ask them to fetch you a soda from mars. It’s probably not going to happen. However, if you can give them the option to comment with an account they’ve already set up, then you will be much more likely to get some interaction.
**Source Code @ Github: ** <a href="https://github.com/bholtsclaw/comments-evolved" rel="nofollow ugc">comments-evolved@github</a>
Using this plugin or JavaScript to load comments does NOT have a negative effect on your SEO, Google now indexes content ( and specifically comments ) loaded via JavaScript. See <a href="http://blog.optimum7.com/safon/google/google-now-indexing-fb-comments.html" rel="nofollow ugc">this link</a> and also <a href="http://webmasters.stackexchange.com/questions/27042/effect-on-seo-of-lazy-scrolling-on-html-comments" rel="nofollow ugc">this one</a> for more details.
<ul>
<li>You should have <a href="http://plus.google.com/authorship" rel="nofollow ugc">Google Authorship</a> already setup and in use for your site.</li>
<li>I’ve setup a page so if you want to <a href="http://www.wepay.com/donations/brandonholtsclaw" rel="nofollow ugc">Donate</a> to this plugins development, now you can.</li>
</ul>
This plug-in is not endorsed or associated with the Google, Twitter, Disqus, Facebook, WordPress.org, Automattic, or WordPress HelpCenter.

Comments Evolved for WordPress

cool extension
Adds Google and Facebook in no time
Super simple to use!



Simple and nice looking

Comments Evolved ( formerly Google+ Comments for WordPress ) makes the comment section tabbed seamlessly adding tabs for Comments & More

Awesome Latest Tweets vs Comments Evolved for WordPress