Lampcms is an full-featured Open Source Question and Answers web program with support for social web with the integration with Facebook and Twitter. Lampcms is tag-based, all questions are tagged by the author and can then be grouped by tag. 

It has all functionalites related to Q&A website. Post new question, Edit, Delete and Close existing questions. Question author has full control on the questions posted by them. Moderator will have full admin rights. User can vote questions up/down and also could select best answer. 
 
Ip-Based Geo Location stored with posts, can use to plot items on Google Map. It is capable of handling very high-load websites, easily serving thousands of simultaneous requests. It counts one view per Question per User or per IP if user not logged in.

Lampcms is an full-featured Open Source Question and Answers web program with support for social web with the integration with Facebook and Twitter. Lampcms is tag-based, all questions are tagged by the author and can then be grouped by tag.

LampCMS - Q&A program in PHP

Vanilla is a powerful community publishing platform, and it comes with a great set of features. It has add-ons to embed your vanilla forums in to any of the site with single line of code. User will be allowed to login with their Facebook, Twitter, Google and OpenID account. 
	
Vanilla has all functionality of a Forum software. It supports Managing users and roles, Spam detection, Talk to your community by writing messages. Messages can appear anywhere in the application, and can be used to inform your users of news and events. 

 <img src="/AppImages/Article/vanilla-img1.jpg" alt="" class="float-center">

Vanilla is a powerful community publishing platform, and it comes with a great set of features. It has add-ons to embed your vanilla forums in to any of the site with single line of code. User will be allowed to login with their Facebook, Twitter, Google and OpenID account.

Vanilla forums - customizable discussion forum with mobile support

LimeSurvey is an open source survey application. Each application could have unlimited surveys and each survey could have unlimited questions and participants. Almost 20 different question types are supported. Images and videos could be uploaded for a survey. It has better users and group management. The access to the survey could be restricted to group. It supports more than 50 languages for its front end and the survey could also be multi linugual. The survey could be imported and exported to different format including text, PDF, Excel. It allows users to quickly create intuitive, powerful, online question-and-answer surveys that can work for tens to thousands of participants without much effort. Demo link: <A HREF="http://www.limesurvey.org/en/demo" target="_blank">http://www.limesurvey.org/en/demo</A>
 <img src="/AppImages/Article/lime-img1.jpg" alt="" class="float-center">

LimeSurvey is an open source survey application. Each application could have unlimited surveys and each survey could have unlimited questions and participants. Almost 20 different question types are supported. Images and videos could be uploaded for a survey. It has better users and group management. The access to the survey could be restricted to group.

Limesurvey - Survey Application

A Q&A site helps your online community to share knowledge. No matter what your area of interest, people with questions can get super answers fast. Refer to the demo page <A HREF="http://www.question2answer.org/qa/" target="_blank">http://www.question2answer.org/qa/</A>. It is open source but with some restrictions. Check out its <A HREF="http://www.question2answer.org/license.php" target="_blank">license page</A> 
 Its feature include
	 <UL>
			<LI>Five minutes (or less!) to install</LI>
			<LI>Easy styling with CSS themes.</LI>
			<LI>Fast integrated search engine.</LI>
			<LI>Points-based reputation management.</LI>
			<LI>Question tagging (with auto completion).</LI>
			<LI>Comments on questions and answers.</LI>
			<LI>Simple and secure admin interface.</LI>
			<LI>PHP/MySQL scalable to 1,000,000+ users.</LI>
			<LI>Built-in user account management, or...</LI>
			<LI>Single sign-on for existing sites.</LI>
	 </UL>

A Q&A site helps your online community to share knowledge. No matter what your area of interest, people with questions can get super answers fast.

Question2Answer - Stackoverflow styled, PHP base Q&A system

Qwench is a PHP/mySQL based StackOverflow clone. It allows users to post questions and answers and also to post an article as a knowledge-base. It supports points system similar to StackOverflow. 
 Demo: <A HREF="http://anantgarg.com/qwench" target="_blank">http://anantgarg.com/qwench</A>
 <img src="/AppImages/Article/qwench-300x144.jpg" alt="" class="float-center">

Qwench is a PHP/mySQL based StackOverflow clone. It allows users to post questions and answers and also to post an article as a knowledge-base. It supports points system similar to StackOverflow.

Qwench - PHP StackOverflow Clone

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LampCMS - Q&A program in PHP

Vanilla forums - customizable discussion forum with mobile support

Limesurvey - Survey Application

Question2Answer - Stackoverflow styled, PHP base Q&A system

Qwench - PHP StackOverflow Clone

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LampCMS - Q&A program in PHP

Vanilla forums - customizable discussion forum with mobile support

Limesurvey - Survey Application

Question2Answer - Stackoverflow styled, PHP base Q&A system

Qwench - PHP StackOverflow Clone

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