Kodetop

This plugin allow insert Tweet Button on your blog or site. The button can be customized in the settings page. Tweet Button can be positioned a the top, bottom of content. You can use text shortcut <code></code> and PHP function <code>wp_tweetbutton();</code> for manual insert.
Features
<ul>
<li>Easy install</li>
<li>Panel for easy configuration</li>
<li>Config Button Style</li>
<li>Config Language of Button</li>
<li>Config Your Twitter Account</li>
<li>Config Related Account</li>
<li>Config Tweet text</li>
<li>Config display locations (entries, pages, home page)</li>
<li>Config position in content (before, after, none)</li>
<li>Text shorcut: <code></code></li>
<li>PHP Function: <code>wp_tweetbutton();</code></li>
</ul>
Manual usage of WP-TweetButton:
For include into post content use: <code></code>
For include in your template use: <code><?php wp_twitterbutton(); ?></code>
For more information visit <a href="http://blog.unijimpe.net/wp-tweetbutton/" title="plugin website" rel="nofollow ugc">plugin website</a>

WP-TweetButton Plus

This plugin allow insert Tweet Button on your blog or site.

clicktotweet

Click to Tweet: The #1 WordPress Plugin for Twitter
Click to Tweet is the easiest way to promote your content and encourage your audience to share it on Twitter through active prompts and optimal usability.
So how does it work? After installation and activation, bloggers and content managers can create click to tweet text or image boxes comprised of relevant excerpts from a blog post or page. Because the plugin accommodates a myriad of styles, if there’s new or revised content to disperse, Click to Tweet can facilitate it via highly customizable displays and themed templates.
Click to Tweet is the professional, noninvasive way to ask subscribers and visitors to share content while giving them a single-click pathway to completion. If you want your content to be shared, you absolutely must make it easy.
Click to Tweet is successful because of its simple, effective promotion that adheres to the character count parameters of Twitter. You can also include Twitter usernames automatically to increase social media followers even more!
Plugin Features
<ul>
<li>Both the app and plugin are free to install and include five full-featured links with an automatic URL shortening service, full scale tracking including location, and analytics to monitor site traffic and overall engagement.</li>
<li>Upgrades to unlimited plans are available for an affordable cost of $4.97 per month for Pro and $49.70 per year for Expert (receive 2 months free). Both membership options include unlimited links.</li>
<li>Link tracking allows users to take advantage of automatic link shortening and statistics of each embedded link. Click tracking provides detailed analytics on the Click to Tweet link such as total number, date, and location of clicks.</li>
<li>Click to Tweet links are automatically embedded and fully editable. Links can be categorized using folders by topic, date range, etc. for quick reference.</li>
<li>Lots of themes to choose from to really make your tweetable links stand out! Fully customize the display box that appears including colors, text, images, and more.</li>
</ul>
For more information, support, or to download the desktop app, visit http://clicktotweet.com.

Click To Tweet

Easily design and insert "click to tweet" boxes in your blog posts that make it easy for your readers to tweet your content, images and link …

WP-TweetButton Plus vs Click To Tweet