Fantastic Free Plugin For Social Media Sharing Buttons: Sociable

Free WordPress Plugin to Supercharges Your Hosted WordPress Site: Jetpack

WordPress Plugin – Social Media Tabs

Your All in One Social Sharing Bar: Digg Digg

Easy-to-Use Sharing Button With Over 100 Social Media Services: AddToAny

Easy to Customize Floating Bar: Get Social

Great Sharing Options and Analytics:ShareThis

Adds a Discreet Follow Us Icon on the Left or Right Side of the Page: Follow Me

Add Social Sharing Buttons to Your WordPress Posts: Socialize

Minimal and Lightweight Social Sharing Buttons Bar: Slick Social Share Buttons

Social Toolbar Puts a Social Toolbar at the Bottom of Your Website

Sharing Buttons Paired with Publisher Analytics: AddThis

Email, Bookmark, Share Buttons for Your WordPress Blog: Sexy Bookmarks

Easy to Install Sharing Bar: Sharebar

Simple Sidebar WordPress Widget: Social Media Widget

Power Up Your Website and WordPress Blog With Social Apps: InsiteBar

Social Media Tracking WordPress Plugin: Most Shared Posts

Monitor the Social Side of Your Blog: Social Metrics

jQuery Social Media Bookmarking Plugin: jsShare

jQuery Floating Social Share Plugin: floatShare

jQuery Plugin Allows to Create Social Sharing Widgets: Sharrre

Share Your Pages to Multiple Social Media Networks: Share

A jQuery Plugin for Social Share with Blur Background: #50C1AL

SocialCount, a jQuery Plugin for Lighter & Faster Social Networking Widgets

Social Auth Plugin is the social authentication and authorization solution base on social networks for web applications. It helps you login using popular social network accounts.

Tampon implements Buffer’s great original MVP: the ability to stock up tweets, choose a schedule, and have them shared automatically through the day.

PowerInbox offers many email applications including Facebook, Twitter, LinkedIN and Groupon. Each app brings with it the ability to view and engage with site content from inside the email message.

Major Features

• Shop online inside your email
• Allow users to comment on a Facebook URL right inside email
• Allow users to Like, Tweet, and Share right inside email
• Add a Vimeo /Youtube video to your email template,  users can play it right in the email

Developers are also encouraged to build their own email applications, its open app platform makes developers create apps that run on all email using HTML5.

It not only put Twitter on your website but do even more by adding tweets from the folks you like, the lists and yourself. It shows up to 100 tweets within 7 days (limit set by Twitter’s Search API).

MiniTwitter comes in two flavors: a jQuery plugin and a WordPress plugin. You can limit the number of tweets displayed and it supports shortcodes for WordPress users.

• Use the color of your link profile on Twitter
• Display tweets from your feed or from the Twitter Search
• Display tweets from a list or from your favorite users
• Stylize your feed easily with your CSS

Today, we are sharing Opauth, a multi-provider user authentication framework for PHP. It enables PHP applications to do user authentication with ease.

Opauth provides a standardized method for PHP applications to interface with authentication providers.

Opauth as a framework provides a set of API that allows developers to create strategies that work in a predictable manner across PHP frameworks and applications.

Koottam Social jQuery Plugin is a simple, powerful and elegant Social Media jQuery Plugin to display your social links. The plugin can be highly customized through 10+ options.

Major Features

• Counts directly fetched using API for Facebook and Twitter
• 7 themes + easy structure to add more themes in CSS
• Static or Animated count display
• Advanced option to change the coloring style
• Bigger counts cleanly shortened

Ospriet allows anyone with a Twitter account to submit a question or comment, by posting an @-reply to a Twitter account dedicated for an audience-oriented event. The submission will be reposted to the event’s account, with attribution. Audience members can vote up the best submissions by favoriting the submissions on the event account.

Ospriet will then keep track of all of the favorites and provide the top submissions. Ospriet provides one single, simple interface for all of this that audience members can use on most devices.

It is very simple to add twitter follow box to your site and this jQuery twitter widget is cross browser compatible.

Major Features

• Automatically determines proper text length and adds ellipsis in the tweet if the text needs to be truncated
• Includes a link back to the page that the quote was tweeted from
• Adds a “Tweet this” link to the tweetable element
• Auto-loads the Twitter widgets script if it’s not already available on the page