20 Best FREE Quora Clone Scripts

StackOverflow / Yahoo Answers Open Source Q&A FAQ Website Clone Software

This is probably the most extensive list of free software to build a FAQ (Question & Answers) website, like Quora, StackOverflow, Yahoo Answers, ... They can also be defined as the simplest forum software or software to answer your customers.
We have dug hard to find open source and free solutions, and we found lots of them!
Note: listed in no particular order. Compiled in January 2011.

OSQA

OSQA is the free, open source Q&A system you've been waiting for. Your OSQA site is more than just an FAQ page, it is a full-featured Q&A community. Users earn points and badges for useful participation, and everyone in the community wins. OSQA is a way to connect people to the information they're looking for, brought to you by the folks at DZone, the home of one of the web's biggest software developer communities.

Shapado

If you feel that there are topics that the public at large should be educated about, or if you want to complement the services rendered by your site in an interactive way one of the best options is creating your own Q & A site. Shapado is a free, libre and open source Q&A platform developed by ricodigo. The source is released under the GNU Affero General Public License which means you need to link to the code and the license from your hosted installation.

phpMyFAQ

phpMyFAQ is a scalable open source FAQ system using PHP and available for many databases. Your users can easily find questions and answers using the search feature with search in all languages or in one category. Supports various databases: MySQL (libmysql and mysqlnd), PostgreSQL, SQLite, Sybase, MS SQL Server, IBM DB2, IBM Cloudscape, Apache Derby, Interbase, or Firebird. Most popular FAQs, latest FAQs, and sticky FAQs. PDF, XHTML, and plain XML.

BellaBuzz

BellaBuzz is an "Ask n Answer" script (also known as 'faq' script/basic knowledgebase). It was designed to replace the popular but insecure "Waks Ask and Answer". It is simple to install and easy to customise, running on flat files instead of a complex MySQL database. Features: Spam word and IP checks/blocking, Known spam-bot blocking, Basic flood control, Optional name field, Pagination as standard — in admin panel as well, Hidden field spambot 'trap'

ask_rave

Simple, lightweight and free question and answer script, also known as an ask and answer script. It allows your visitors to ask the webmaster any question they need answering. In particular, ask_rave is designed to be asthetically pleasing, and mechanically sound. It also doesn't require a database (flat file instead), which is handy.

Askbot

Askbot is an open source Question and Answer (Q&A) forum project inspired by StackOverflow, YahooAnswers and Quora. It is quick and easy to install and deploy askbot on your site. Askbot is written in Python on top of the Django platform. Code of Askbot grew out of CNPROG project.

68KB

68KB is an open source PHP MySQL driven knowledge base script. Built with you in mind to make it easy to configure and setup. 68KB was built and designed out of the need for a good knowledge base system that we use for other scripts. With that in mind it was built from the ground up to be simple and easy to work with. It`s also released open source so it is a free download to anyone who wants to use it. Interesting features: attachments, search log, extensions and stats.

Dacio's FaQ

This script is simple Question and Answer form. It uses mysql to store records in database. Script has administration tool to add, edit or delete faq, search and filter tool to find records. Faq´s are grouped by categories. For simplicity enter same category name for each faq you want together in same group.

FAQbar

Edit/add categories and items, approve/edit pending questions submitted by users via admininterface.

question2answer

A free and open source platform for Q&A sites. A Q&A site helps an online community to share knowledge. No matter what your area of interest, people with questions can get super answers fast. Features: Easy styling with CSS themes, Simple to translate into any language, Fast integrated search engine, Points-based reputation management, Categories and/or tags (with auto complete), Email notifications and RSS support, Voting, comments and follow-on questions, PHP/MySQL scalable to millions of posts.

Stacked

An Open Source implementation of a similar system to StackOverflow - basically an advanced questions/answers management system for support, forums, FAQs and similar systems.

PHPancake

This system purpose is to create a community site, where decisions, content and the face of the site can be managed in a kind of a Starship-troopers democracy (the more you donate to the community, the more privileges you have). The plan is to create a complete community content based site, which will include the the wanted mix of categories, tree-forums, linear-forums, article/tutorials submissions (and blog entries fall under that too).

Solace

Solace is an open sourced knowledge exchange platform similar to Quora. Written in Python with extensibility in mind, Solace builds upon the work of several existing collaboratively edited knowledge exchange and support services. Solace incorporates existing elements such as up/down voting, topic trending/relevancy algorithms, a progressive reputation and reward system, tiered permission levels, user moderation, and wiki like editing to create a powerful self-sustaining platform that stays relevant and ensures users easily find what they are looking for.

Cahoots

Cahoots! is a community-building platform written in PHP, and designed for encouraging interaction and Q&A in a technically-oriented community. Features: Supports multiple different types of content, WYSIWYG HTML editor with support for code syntax highlighting, Multiple user authentication choices including OpenID and Facebook, Fully searchable content database, Highly customizable permissions, content locking, etc, Automated e-mail newsletter based on site content, Supports MetaWeblog/Blogger remote posting, Integrated social bookmarking for content items.

Community Tracker

Track the status of your release. Discover which bugs your customers really want fixed. Q&A Features: Reputation, Badges, Notifications, Blog, Link tracking, OpenID

ArrayShift

A question/answer site built to emulate the core functionality of the StackOverflow site and the StackExchange platform. It currently implements a reasonable subset of the site's functionality, but is incomplete and far from bug-free. It has rough edges that need to be smoothed out and functionality that needs to be finished in other contrib modules before this package could be considered a full feature-clone of Stack Overflow or Quora.

SOClone

SOClone will make use of Progressive Enhancement to ensure that all core functionality is available regardless of whether or not the user has JavaScript enabled - some of Stack Overflow's core functionality such as voting, accepting answers, viewing comments, marking questions as favourites and flagging questions as offensive currently doesn't work at all without JavaScript enabled. Features: LDAP authentication / other pluggable registration/login backends, Lowering reputation barriers to access functionality or totally removing reputation from the equation in terms of what you're allowed to do on the site, Removing offensive flags, Optionally disabling down voting, Intranet-specific badges.

Qwench

Qwench is a PHP/mySQL based StackOverflow clone. Features: Allow users to post questions and answers, points system similar to StackOverflow, ability to post an article as a knowledge-base (for corporates), ability to lock site to registered users only, clean CSS layout, works in all major browsers. Requirements: PHP 4+ and mySQL.

Qanda

Qanda is an open-source Question and Answer System (QAS) written in PHP 5 and using Kohana MVC framework. Qanda is currently under beta development, we are looking for programming enthusiasts to participate in this exciting project. It`s easy to setup, config and running the way you want it, lightweight and allows easy theme and plug-in development.

Faqtastic

Faqtastic allows you to maintain a FAQ page on your website, where visitors easily can ask you questions, and all you have to do in order to answer them is login to your admin panel and write away. It is easy to customize through templates and several settings. Features: Online admin panel, makes managing your FAQ a breeze, Built-in IP blocker, Optional email notification of new questions, Pagination. Choose how many questions to show per page, Valid XHTML Strict