I have collected 9 best Google Chrome extensions for twitter which i think worth the install for anyone who uses Twitter. These extensions will help you to be more productive as these are specially designed for Twitter.

1. Chromed Bird

Chromed Bird is an awesome Twitter client extension for Google Chrome with lots of features.

2. Twitter Share This Page

The easiest way to share web page on Twitter! Click the extension icon in Chrome address bar open Twitter tab with page title and page URL as a new status.

3. Power Twitter for Chrome

Power Twitter currently overlays on the twitter.com website. We use the information on the website (such as your twitter name) to identify you and build a settings profile.

4. Twitter Extender

Twitter Extender adds some necessary features to twitter.com, like old retweet style, direct message, url shorten service and lots of more.

5. TwitterWatch – Real Time Twitter Update

TwitterWatch is the simplest tool to keep watch on hot Twitter keywords! Enter a keyword, press search, and you are done. TwitterWatch can coexist with other Twitter clients, without depleting update quotas.

6. Twitter Creation Date

Displays the creation date of Twitter accounts on their profiles.

7. Twitter Plus Plus

Twitter Plus Plus allows you to answer and retweet your friends without having to go and see the page or lose the thread.

8. Twitter Photo Zoom

Adds large size preview images to your Twitter web.

9. Tweetings for Twitter

Tweetings for Google Chrome is a Twitter client extension that allows you to follow your timelines and post Tweets.

1. bbPress

bbPress is forum software with a twist from the creators of WordPress.

Download

2. Simple:Press

Simple:Press – the feature rich, completely integrated and fully scalable forum plugin for WordPress.

Download

3. Tal.ki Embeddable Forums

Tal.ki Embeddable Forums are the easiest way to add a forum, message board, or discussion board to your blog.

Download

4. Wp2BB

Wp2BB integrates your WordPress blog and your phpBB forum. It automatically creates new topics in the forum for every new post in your blog.

Download

5. Zingiri Forum

Zingiri Forum is a plugin that integrates the powerfull myBB bulletin board software with WordPress. It brings one of the most powerfull free forum softwares in reach of WordPress users.

Download

6. Mingle Forum

Mingle Forum allows you to easily and quickly put a Forum on your WordPress site/blog.

Download

1. SyntaxHighlighter Evolved

This is the plugin i am using and many other top blogs like Smashing Magazine are using to highlight codes in posts. It allows you to easily post syntax-highlighted code to your site without having to escape the code or anything. It uses the SyntaxHighlighter JavaScript package by Alex Gorbatchev to do the highlighting and supports all of the package’s parameters via shortcode attributes.

Download

2. File Inliner Plugin

This wordpress plugin displays the content of a file in a post. The content of the file (called a “snippet”) is put in a

block.

Download

3. WP-SynHighlight

WP-SynHighlight is a WordPress plugin that allows easy syntax highlighting of source code you post in your blog. It works much like any other BBCode tag. It highlights everything you put between codesyntax BB code tags

Download

4. FV Code Highlighter

This plugin supports the highlighting of PHP, HTML, CSS and XML. The default tag-highlighter color scheme uses the same colors Adobe’s Dreamweaver is using.

Download

5. Google Syntax Highlighter

This plugin easily integrates the Google Syntax Highlighter into WordPress.

Download

6. CodeColorer

CodeColorer is the plugin which allows you to insert code snippets into the post with nice syntax highlighting.

Download

1. Theme Switcher

Allow users to switch which theme they use on your WordPress, WordPress MU, or BuddyPress site. Includes a widget for easily putting the theme-switcher as a list or dropdown in your sidebar.

Download

2. Theme Switch and Preview

The plugin is great for theme development as you can tweak the template online without breaking stuff for visitors.

Download

3. Theme Test Drive

Theme Test Drive WordPress plugin allows you to safely test drive any theme on your blog as administrator, while visitors still use the default one.

Download

4. User Switching

This plugin allows you to quickly swap between user accounts in WordPress at the click of a button. You’ll be instantly logged out and logged in as your desired user.

Download

5. Maintenance Mode Plugin

This plugin adds a splash page to your blog that lets visitors know your blog is down for maintenance. Logged in administrators get full access to the blog including the front-end.

Download

6. WordPress Theme Demo Plugin

This plugin was designed to help web designers easily demo their WordPress themes.

Download

7. Raw HTML

This plugin lets you use raw HTML or any other code in your posts. One way to use it is to wrap a part of your post in special tags (below) to prevent WordPress from converting newlines to HTML paragraphs, escaping apostrophes and so on.

Download

8. TDO Mini Forms

This plugin can add themed custom posting and editing forms to your website that allows your readers (including non-registered) to contribute.

Download

Here i have collected 20 useful WordPress Plug-ins that will add up more functionality to your WordPress site.

1. Relevanssi

The matching engine Relevanssi uses is a fairly simple and in some ways limited, but it is a significant improvement over basic WordPress search and offers the necessary functionality for .

Download

2. Flutter

Flutter is a feature rich WordPress CMS plugin that focuses on easy templating for the developer and simplifies content management for the admin by creating custom write panels that can be fully customized (radio buttons, file uploads, image uploads, checkboxes, etc).

Download

3. WP-CMS Post Control

Post Control from WordPress CMS Modifications builds upon the new controls in WordPress 2.7 to give you complete control over your write options.

Download

4. Custom Admin Branding

he Custom Admin Branding Plugin allows you to brand and customize the WordPress administration area for clients or for personal use. You can display custom images and styles for the login screen, admin header and footer.

Download

5. User Access Manager

With the “User Access Manager”-plugin you can manage the access to your posts, pages and files. You only create a user group, put registered users to this and set up the rights for this group.

Download

6. More Fields

More Fields is a WordPress plugin that adds boxes to the Write/Edit page. These boxes contains input fields, so that additional (more) fields can be added to a post.

Download

7. WordPress Navigation List

The WordPress Navigation Tool (NAVT) plugin is a powerful tool designed to provide you with complete control over the creation, styling and contents of your web site’s navigation.

Download

8. WPML Multilingual CMS Plugin

WPML makes multilingual content management easy, just like running a site in one language.

Download

9. MailPress

Allows you to send beautiful and styled html and plain text mails based on dedicated themes and templates.

Download

10. PageMash

Customise the order your pages are listed in and manage the parent structure with this simple ajax drag-and-drop administrative interface with an option to toggle the page to be hidden from output. Great tool to quickly re-arrange your page menus.

Download

11. Flexi Pages Widget

Flexi Pages Widget is a highly configurable WordPress sidebar widget to list pages and sub-pages. Can be used as an alternative to the default ‘Pages’ widget.

Download

12. Role Scoper

Role Scoper is a comprehensive access control solution, giving you CMS-like control of reading and editing permissions. Assign restrictions and roles to specific pages, posts or categories.

Download

13. Yoast Breadcrumbs

Easily add breadcrumbs to your template. If you’re using one of the supported WordPress frameworks, it’s as easy as enabling the plugin and checking the “Try to add automatically box”, if you’re not using one of those, adding it is as simple as adding one line of code to your template!

Download

14. WP eCommerce

The WP e-Commerce shopping cart plugin for WordPress is an elegant easy to use fully featured shopping cart application suitable for selling your products, services, and or fees online.

Download

15. Single Post Templates

The Single Post Template plugin adds the ability for your theme to include “Post Templates” in much the same way you can add “Page Templates”, allowing you to choose (via a simple dropdown) which post template you want to use, on a per-post basis.

Download

16. cForm II

cforms is a highly customizable, flexible and powerful form builder plugin, covering a variety of use cases and features from attachments to multi form management, you can even have multiple forms on the same page!

Download

17. Idealien Category Enhancements

This plugin makes category templates be selectable by drop-down list from the manage > categories screen of the admin console. It makes the selection / use of category and post templates as easy as page templates.

Download

18. WP Super Cache

This plugin generates static html files from your dynamic WordPress blog. After a html file is generated your webserver will serve that file instead of processing the comparatively heavier and more expensive WordPress PHP scripts.

Download

19. Permalinks Moved Permanently

If you just migrated your WordPress blog from one permalink structure to another, and you don’t want to lose Pagerank or traffic that accesses your blog through the old permalinks, this is for you.

Download

20. Pods CMS

Pods is a CMS framework for WordPress. It allows you to add and display your own content types.

Download

In this post i have listed top 10 wordpress security plugins to secure your blog from hackers.

List of WordPress Security Plugins

1. Invisible Defender

Invisible Defender is a WordPress plugin, which protects registration, login and comment forms from spambots by adding two extra fields hidden by CSS. This approach gave me 100% anti-spam protection on one of my sites.

Download | Home Page

2. AskApache Password Protect

AskApache Password Protect adds some serious password protection to your WordPress Blog. Not only does it protect your wp-admin directory, but also your wp-includes, wp-content, plugins, etc. plugins as well.

Download | Home Page

3. Secure WordPress

This plugins helps to secure your WordPress installation: Remove Error information on login page; adds index.html to plugin directory; removes the wp-version, except in admin area.

Download | Home Page

4. WordPress Database Backup

WordPress database backup creates backups of your core WordPress tables as well as other tables of your choice in the same database.

Download | Home Page

5. WP Security Scan

Scans your WordPress installation for security vulnerabilities and suggests corrective actions. It scans your blog and checks passwords, file permissions, database security and WP version hiding.

Download | Home Page

6. WordPress File Monitor

Monitors your WordPress installation for added/deleted/changed files. When a change is detected an email alert can be sent to a specified address.

Download | Home Page

7. Force SSL

For those will an SSL certificate, this plugin forces an HTTPS connection for security purposes. Force SSL simply redirects requests made via regular old http to requests for trusty new https, and that’s about it.

Download | Home Page

8. Admin SSL

This WordPress security plugin protects wordpress login and admin pages, supports all SSL setups and encrypt cookie contents.

Download | Home Page

9. Replace WP-Version

Security your WordPress-Installation and eliminate or replace your wp-version and database-version on easy way with a small plugin.

Download | Home Page

10. WP-dephorm

wp-dephorm protects your users from the prying eyes of phorm. This is achieved by setting a cookie to opt out of the phorm information mining. Your blog viewers will not have there information stored and used in marketing campaigns whilst viewing your site.

Download | Home Page

Hope these WordPress security plugins will help you in shielding your web site or blog from hackers and stay safe. Do comment and let us know if you found any of this plugin helpful.

Today i have collected 15 most important wordpress plugins to help you fight spam. These plugins will help you by blocking spam bots to comment on your blog, by blocking trackback spams and to prevent spam harvesters from collecting email address from your posts.

1. Akismet

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.

Download Akismet Plugin

2. TanTanNoodles Simple Spam Filter

A simple pre-filter to weed out the most obvious comment spam (about 90% of all spam).

Download Tan Tan Plugin

3. AVH First Defense Against Spam

The AVH First Defense Against Spam plugin gives you the ability to block spammers before any content is served. Spammers are identified by checking if the visitors IP exists in a database served by stopforumspam.com.

Download AVH First Defense Spam Plugin

4. Delete Spam Daily

This plugin schedules a daily event using wp_cron that deletes all comments marked “spam” in the database, then optimizes the database.

Download Delete Daily Spam Plugin

5. Project Honey Pot WordPress Plugin

This plugin automatically scatters invisible links to Project Honey Pot spam traps throughout your wordpress blog to help catch and stop spammers.

Download Project Honey Pot WordPress Plugin

6. Defensio Anti-Spam

Defensio is an advanced spam filtering web service that learns and adapts to your behaviors and those of your readers.

Download Defensio Anti-Spam Plugin

7. Simple Trackback Validation Plugin

Simple Trackback Validation Plugin for WordPress 2.x performs simple but very effective tests on all incoming trackbacks in order to stop trackback spam.

Download Simple Trackback Validation Plugin

8. WP-Hashcash

WP Hashcash is an antispam plugin that eradicates comment spam on WordPress blogs. It works because your visitors must use obfuscated javascript to submit a proof-of-work that indicates they opened your website in a web browser, not a robot.

Download WP-Hashcash Plugin

9. Simple CAPTCHA

A CAPTCHA for your comment system to prevent unwanted spams. Prevent automated spams by bots and most important naughty peoples. It’s simple and yet secure.

Download Simple CAPTCHA Plugin

10. Math Comment Spam Protection

Math Comment Spam Protection asks the visitor making the comment to answer a simple math question. This is intended to prove that the visitor is a human being and not a spam robot.

Download Math Comment Spam Protection Plugin

11. WP Spam Hitman

WP Spam Hitman is based on set of rules and concept of hitpoint. With right set of rules and hitpoint level you can eliminate most or even all of the spam on you blog.

Download WP-Spam-Hitman Plugin

12. Email Protect

Automatically changes email address is posts, pages, and comments into safe alternatives (such as an image) to prevent spam harvesters from collecting them.

Download Email Protect Plugin

13. Raven’s Antispam

Raven’s antispam is a WordPress plugin, powerful and invisible fighter against comment spam.

Download Raven’s Antispam Plugin

14. Bad Behavior

Bad Behavior complements other link spam solutions by acting as a gatekeeper, preventing spammers from ever delivering their junk, and in many cases, from ever reading your site in the first place.

Download Bad Behavior Plugin

15. Antispam Collateral Condolences

This plugin will notify commenters when their comments are caught as spam or put in the moderation queue.

Download Antispam Collateral Condolences Plugin

Here goes the list of plugins:

1. TwitterFox

TwitterFox is a Firefox extension that notifies you of your friends’ status on Twitter.

TwitterFox Plugin

2. TwitterBar

Post to Twitter from your address bar.

TwitterBar Firefox Plugin

3. Twitter Line

Twitter Line is an extention for Firefox that displays your Twitter time line on the toolbar as like as a head line (or ticker).

Twitter Line Firefox Plugin

4. Power Twitter

Power Twitter adds features to the Twitter Web interface.

Power Twitter Firefox Plugin

5. Twitter Search

This search plugin gives you quick access to the real-time Twitter search.

Twitter Search Firefox Plugin

6. StockTwits

Install and magically turn StockTwits tagged tickers on twitter.com into links back to stocktwits.com so you can easily catch up with the latest conversations.

StockTwits Firefox Plugin

7. Twitzer

Twitzer is a Firefox extension which lets you post text longer than 140 characters on Twitter.com.

Twitzer Firefox Plugin

8. InstantTweets

Instantly send pages, pictures and tweets to Twitter from any where on the web.

InstantTweets Firefox Plugin

9. Tweecious

Listening to your twitter feed and submitting all the links to your delicious account.

Tweecious Firefox Plugin

10. TwitKit

TwitKit is a Twitter sidebar for Firefox. It has many features that other clients are missing – so come on and try it already!

TwitKit Firefox Plugin

11. Twitbin

Twitbin is a firefox extension that allows you to keep up with all of your Twitter conversations right from your browser sidebar. Send messages, receive messages, share links, and more from Twitbin, the best twitter addon for firefox out there.

Twitbin Firefox Plugin

12. DashBlog

DashBlog lets you quickly collect videos, images, text/quotes, songs and screen-captures from any web page and publish them to your blog (word press, blogger/blogspot, tumblr) and/or twitter.

DashBlog Firefox Plugin

13. Social Whale Extension

Create short URLs for use with twitter or any other service with just one click. Additionally you can upload images using the twitpic.com service.

Social Whale Extension

14. TwitThat

Post current page to twitter via twitthat.com.

TwitThat Firefox Plugin

15. TwittyTunes

Allows to post your currently playing songs to Twitter with a click. As a bonus, you can also post the websites you’re visiting, videos you’re watching and more!

TwittyTunes Firefox Plugin

16. Tweetstalk

The simple way to stalk Twitter users without having to follow them.

TweetsTalk Firefox Plugin

17. Yoono – Socialize Your Browser

All your social networks and instant messaging in one easy to use browser sidebar. Get all your friend updates, update your status and share stuff easily across Facebook, MySpace, Twitter, and more – all at once! Simplify your online social life.

Yoono Firefox Plugin

Ready to make your own toolbox?. Okay! Here is the list of 25 web design tools.

1. HTML Entity Character Lookup

This lookup allows you to quickly find the entity based on how it looks, e.g. like an < or the letter c.

HTML Entity Character Lookup

2. Blueprint CSS framework

It gives you a solid foundation to build your project on top of, with an easy-to-use grid, sensible typography, useful plugins, and even a stylesheet for printing.

Blueprint CSS framework

3. Typetester

The Typetester is an online application for comparison of the fonts for the screen. Its primary role is to make web designer’s life easier.

Compare Fonts For Web Design

4. Em Calculator

Em Calculator is a small JavaScript tool which helps making scalable and accessible CSS design.

Making Scalable and Accessible CSS Design

5. Web Developer Toolbar

Adds a menu and a toolbar with various web developer tools.

Web Developer

6. MeasureIt

Draw out a ruler to get the pixel width and height of any elements on a webpage.

Draw Out A Ruler

7. ColorZilla

Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies.

Advanced Eyedropper and ColorPicker

8. Firebug

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page.

Firebug

9. Designers Toolbox

All kind of print and web documents sizes.

Designers Toolbox

10. What the Font?

Submit an image to WhatTheFont to find the closest matches in our database.

What the Font?

11. Easy Web Form Builder

FormSpring gives businesses and organizations an easy way to build any type of online form, integrate it with their website and begin collecting data.

Easy Web From Builder

12. Browser Shots

Test your site in different browsers.

Check Browser Compatibility

13. Icon Finder

An Icon search engine.

Icon Search Engine

14. Button Browser

Its a button gallery and button maker.

Button Gallery and Button Maker

15. Rounded Corner

This generates a basic box with rounded corners. It will create four image files and the necessary HTML and CSS code for you to put rounded corners around your content.

Generate Rounded Corners

16. BlogFlux Button Maker

You see those 80×15 buttons everywhere. Our Button Maker lets you make some yourself. Fiddling around with Photoshop or any other graphics editor can be a pain. Make 80×15 or 88×13 buttons with a few clicks.

Button Maker

17. Vecteezy

Get free vector graphics.

Get Free Icons

18. Background Image Maker

Nice application to create background images.

Background Image Maker

19. Photoshop Brushes

Cool Photoshop brushes available for download.

Photoshop Brushes

20. Tartan Maker

Tartan Maker – the new trendsetting application for cool designers.

Tartan Maker

21. Color Schemer

ColorSchemer Studio 2 is a professional color matching application for anyone from hobbyists to advanced professionals.

Color Scheme Gallery

22. Webs

Create your own website for FREE!

Web Site For Free

23. Sampa

Make a Free Website: Every day, thousands of people just like you use Sampa to create their own personal website, family website or baby website.

Make a Free Website

24. Format Pixel

Create your own online magazines, fanzines, brochures, catalogues, portfolios and more.

Online Publishing Tool

25. Weebox

Flash-based website creator.

Flash-Based Website Creator

I have compiled 20 tutorials for developers to know how to develop wordpress plugin.

1. WP Tutorial: Your First WP Plugin

Here it is, a video guide to creating your first WordPress plugin (in under 5 minutes!).

WP Tutorial: Your First WP Plugin

2. Writing a Plugin

WordPress Plugins allow easy modification, customization, and enhancement to a WordPress blog. Instead of changing the core programming of WordPress, you can add functionality with WordPress Plugins.

Writing a Plugin

3. How to Write a WordPress Plugin – Introduction

For any WordPress user, plugins are essential. WordPress Plugins allow those with little to no programming skills to extend the functionality of their blog.

How to Write a WordPress Plugin - Introduction

4. Create a Custom WordPress Plugin From Scratch

This tutorial will describe the implementation of a WordPress plugin starting from scratch. The plugin will connect to an external OSCommerce database and display random products on your WordPress site.

Create a Custom WordPress Plugin From Scratch

5. Anatomy of a WordPress Plugin

This tutorial will guide you through every step of building a simple, widgetized WordPress plugin with settings.

Anatomy of a WordPress Plugin

6. A Crash-Course in WordPress Plugin Development

Despite an extensive codex, many WordPress users remain unfamiliar with how to create their own custom plugins. In today’s screencast, we’ll start from scratch and build our first usable plugin.

Plugin Crash Course

7. WordPress Plugin Development Short Tutorial

A short video tutorial on wordpress plugin development.

Wordpress Plugin Development Short Tutorial

8. WordPress Plugin Tutorial – Hello World

Learning to develop a WordPress plugin can be both fun and rewarding. In this Tutorial we will go over how to make a simple Hello World plugin that you can create.

9. The Ultimate Guide to Building a WordPress Plugin

There are often plugins created for basic extended functionality, but what happens when you can’t find the perfect plugin for your needs? It might be easier to just create the plugin yourself.

10. How to Make a Social Bookmarking WordPress Plugin

In this article by Vladimir Prelovac, you will learn to create your first functional WordPress plugin and learn how to interact with the WordPress API (this is the WordPress interface to PHP) on the way.

11. WorPress Plugin Development with PHP

Nice video tutorial on plugin development.

WorPress Plugin Development with PHP

12. Tips to Speed Up WordPress Plugin Development

Anyone can create useful WordPress plugins without being a hacker.

13. Seven Reasons to Write a WordPress Plugin

Listed below are seven reasons why a WordPress user should consider writing a WordPress plugin.

14. WordPress Plugin Actions

An example of an action would be that you want a execute some code after a user has published a post or left a comment.

15. WordPress Plugin Filters

WordPress filters allow to you modify virtually any kind of text displayed and are extremely powerful.

16. Constructing a WordPress Plugin Admin Panel

This tutorial will go into what it takes to successfully create an admin panel for your plugin.

17. Constructing a WordPress Plugin User’s Panel

This tutorial will go over the steps to add in your own User’s Administration Panel.

18. Using JavaScript and CSS with your WordPress Plugin

This portion of the series will cover how to load JavaScript and CSS files for your plugin.

19. Using AJAX with your WordPress Plugin

This post will show you how to use AJAX with your WordPress plugin.

20. Releasing and Promoting Your WordPress Plugin

After you have finished writing your awesome WordPress plugin, there are a few things to consider before releasing and promoting your WordPress plugin.

I tried to compile a list of more than 35 plugins that will let you make your WordPress blog more social. I suggest you do not install all of them just choose one which you like the most or think is the best.

1. Sociable

Sociable is a plugin which adds social media buttons to your posts, and does so easily, and beautifully.
Download

2. Bookmark Me

Bookmark me is a WordPress plugin made to add the “social bookmark buttons” on each post. It is different to other social bookmarks plugins because it’s focused on collecting non-english bookmarks site.
Download

3. Bookmarkify

The Social Media Marketing Plugin that lets you put social bookmarking links in your posts and other pages. Help your readers promote your blog and watch your traffic grow!
Download

4. ShareThis

This is very widely used plugin.
Download

5. PingPressFM

PingPressFM is a WordPress plugin which submits your posts to Ping.fm. A service which can update more than 30 snetworks from one source.
Download

6. obsocialbookmarker

obsocialbookmarker is a social bookmarking plugin which adds user-submission links at the bottom of each post for various social bookmarking sites.
Download

7. iBegin Share

iBegin Share is the 100% open source solution that makes sharing and spreading your content easier than ever, all while giving you complete control.
Download

8. I Love Social Bookmarking

I Love Social Bookmarking is a simple WordPress plugin that allows your readers to submit your content to social media services via a clutter-free drop-down list of attractive icons.
Download

9. Social Bookmarking RELOADED

The Social Bookmarking RELOADED plugin for WordPress adds a list of XHTML compliant graphic links at the end of your posts and/or pages that allow your visitors to easily submit them in a number of social bookmarking sites.
Download

10. Social Bookmarks

Gives you 50 social bookmarking submission icons to choose from including all of the major bookmarking services and lots of smaller ones.
Download

11. Social Dropdown

This plugin displays several social bookmarking options in a dropdown. Unlike other social bookmarking displays, this does not cause clutter and takes up little screen space.
Download

12. SociBook

A really simple plugin that will add bookmark links of Del.icio.us, Digg it, Slashdot, RawSugar, Yahoo! MyWeb, and many other links to your wordpress. You can decide which bookmark services you want to show and in what order. You also can define, a own iconset.
Download

13. SocioFluid

SocioFluid adds to your wordpress posts the buttons to the major bookmarking sites.
I am using this plugin on this blog. As i like its look and big icons display.
Download

14. WP PunchCard

WP PunchCard is a WordPress plugin for installing PunchCard into WordPress with extreme simplicity.
Download

15. ComplexLife

This is a lifestreaming WP plugin.
Download

16. Follow Me

The Follow Me widget allows you to display links to all your social media profiles in one, easy-to-access button or window.
Download

17. LifeStream

Lifestream displays your social feeds and photos much like you would see it on many of the social networking sites.
Download

18. Meet Your Commenters

When someone comments on your blog and writes a comment with his/her URL, is leaving more information than you think. This wordpress plugin displays web pages and profiles of those users in the dashboard, so you can add them as friends if you are in the same social network
Download

19. Retaggr

Using this plugin you can make your virtual business card which links to your social networking profiles.
Download

20. SezWho

Using this plugin you can make your virtual business card which links to your social networking profiles.
Download

21. Social Homes

A WordPress plug-in which adds a sidebar widget containing a subtle list of all your social homes as linked favicons.
Download

22. Digg Digg

Digg Digg is a social vote button wordpress plugin, which including Digg, Reddit, Dzone and Yahoo Buzz buttons wordpress content integration.
Download

23. Digg This

Digg this wordpress plugin is a plugin that detects incoming links from Digg.com to your wordpress post and automatically display a link back to the digg post, for people to digg your story.
Download

24. DiggZ-Et

It automatically displays a “digg” button for each post/page.
Download

25. Dugg Widget

Displays your past 10 dugg stories and make it a widget.
Download

26. FriendFeed Activity Widget

The FriendFeed Activity Widget is a simple WordPress widget plugin that pulls your FriendFeed stream, pretties it up a bit and shares it with visitors to your blog. It’s essentially a lifestream plugin that requires just a few steps to set up.
Download

27. FriendFeed Comments WordPress Plugin

This plugin will allow you to display on your own site the comments that people make on FriendFeed about your post.
Download

28. Stumble Reviews

Allows you to add the reviews that appear on StumbleUpon (StumbleUpon reviews) for a given page to be displayed on that page.
Download

29. Twitter Updater

The Twitter Updater automatically sends a Twitter status update to your Twitter account when you create, publish, or edit your WordPress post.
Download

30. WordPress Twitter Widget

Twitter Widget Pro properly handles twitter feeds, including @username and link parsing, feeds that include friends or just one user, and can even display profile images for the users.
Download

31. WP-Profilactic

The WP-Profilactic Plugin publishes your LifeStream or informs readers where to find you online by parseing your aggregated online activity feed from Profilactic.
Download

32. Hocus Pocus Buttons

Hocus Pocus Buttons is a WordPress-Plugin that provides sidebar widget with a widerange set of buttons for social bookmarking websites.
Download

33. KnxDT Bookmarks

With this plugin you can send and share your favorites posts (your readers can do this too) to popular social bookmarking services like Digg, Meneame, Delicious, Technorati, Yahoo, Google.
Download

34. Gregarious

The Gregarious plugin supersedes the Digg This Reloaded Plugin and allows for seamless integration between your WordPress Blog and social bookmarking sites such as Digg.com, Del.icio.us, Reddit and more.
Download

35. Hey Social

Hey Social is the coolest way to interact with the visitors of your blog,
Download

If you are already using anyone of above do comment about its usability and function.