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Question2Answer - Free Open Source Q&A Software for PHP
<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width initial-scale=1" /> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <link rel="preconnect" href="https://fonts.gstatic.com"> <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,400;0,700;1,400;1,700"> <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons"> <link rel="stylesheet" href="css/styles2020.css?v=3"> <title>Question2Answer - Free Open Source Q&A Software for PHP</title> <meta name="description" content="{{ site.description }}"> <link rel="shortcut icon" type="image/x-icon" href="/favicon.ico"> <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png"> <script async src="https://www.googletagmanager.com/gtag/js?id=UA-1974891-11"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-1974891-11'); </script> <script async src="https://www.googletagmanager.com/gtag/js?id=G-V4Y9LK428F"></script> <script> window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'G-V4Y9LK428F'); </script> </head> <body class="page"> <div class="wave-container"></div> <header class="header"> <div class="header-logo"> <a href="/"><img class="logo-img normal-logo" src="images/question2answer-logo-white-350x40.png" alt="Question2Answer logo"></a> </div> <nav class="top-nav main-nav"> <a class="main-nav-link " href="https://docs.question2answer.org/install/">Install</a> <a class="main-nav-link " href="https://docs.question2answer.org/themes/">Customize</a> <a class="main-nav-link " href="https://docs.question2answer.org/plugins/">Plugins</a> <a class="main-nav-link " href="https://docs.question2answer.org/code/external/">Code</a> <a class="main-nav-link " href="https://docs.question2answer.org/contribute/">Contribute</a> <a class="main-nav-link " href="https://docs.question2answer.org/addons/">Add-Ons</a> <a class="main-nav-link main-nav-link-separate" href="https://docs.question2answer.org/services/">Services</a> <a class="main-nav-link " href="https://www.question2answer.org/sites.php">Sites</a> <a class="main-nav-link " href="https://www.question2answer.org/qa/">Q&A</a> </nav> </header> <main class="page-container"> <h1 class="home-intro"><strong>Question2Answer</strong> (Q2A) is a popular open source Q&A platform for PHP/MySQL, currently running on <a href="https://www.question2answer.org/sites.php">24,500+ sites in 40 languages</a>.</h1> <div class="showcase-cols"> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">forum</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">What is a Question & Answer site?</h4> <p>A Q&A site helps your online community to share knowledge. People with questions get the answers they need. The community is enriched by commenting, voting, notifications, points and rankings.</p> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">people</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">Why offer Q&A on my site?</h4> <p>Your members will enjoy the interaction that Q&A enables, and will visit your site more regularly. In addition, many web searches are questions, so Q&A content will attract search engine traffic.</p> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">get_app</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">How do I get Q2A?</h4> <p><a href="https://www.question2answer.org/question2answer-latest.zip"><b>Download Question2Answer</b></a>, then read <a href="https://docs.question2answer.org/install/">how to install</a>. Version 1.8.8 was <a href="https://docs.question2answer.org/install/versions/">released</a> on July 25th, 2023. Also <a href="https://github.com/q2a/question2answer">on GitHub</a>.</p> <p>Question2Answer is open source, <a href="https://www.question2answer.org/license.php">licensed under GPL v2+</a>.</p> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">dns</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">What does Q2A need?</h4> <ul> <li><a href="http://www.php.net/">PHP</a> 5.4 or later, with the <a href="https://en.wikipedia.org/wiki/MySQLi">MySQLi</a> extension.</li> <li><a href="http://www.mysql.com/">MySQL</a> MySQL 5.0 or later.</li> </ul> <p class="text-small">It's strongly recommended to use the latest version of PHP (7.x) and MySQL if possible as they bring many performance enhancements, and Q2A regularly drops support for older, unsupported versions.</p> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">settings_input_component</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">Easy to set up</h4> <ul> <li>Q2A takes 5 minutes (or less!) to <a href="https://docs.question2answer.org/install/">install</a>.</li> <li>Easy styling with <a href="https://docs.question2answer.org/themes/">CSS themes</a>.</li> <li>Supports <a href="https://docs.question2answer.org/translate/">translation</a> into any language.</li> <li>Custom sidebar, widgets, pages and links.</li> <li>SEO features such as <a href="https://www.sitemaps.org/">XML Sitemap</a> and neat URLs.</li> </ul> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">star</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">Core Q&A features</h4> <ul> <li>Fast integrated search engine.</li> <li>Categories (up to 4 levels deep) and/or tagging.</li> <li>Voting, comments, follow-on and closed questions.</li> <li>Points-based reputation management.</li> <li>RSS, email notifications and personal news feeds.</li> </ul> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">face</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">Built-in user account management ...</h4> <ul> <li>Create experts, editors, moderators and admins.</li> <li>User avatars (or <a href="https://en.gravatar.com/">Gravatar</a>) and custom fields.</li> <li>Private messages and public wall posts.</li> <li>Log in via Facebook or others (using <a href="https://docs.question2answer.org/addons/plugins/">plugins</a>).</li> </ul> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">assignment_ind</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">... or integrate with existing sites</h4> <ul> <li>Out-of-the-box <a href="https://docs.question2answer.org/install/wordpress/">WordPress</a> and Joomla integration.</li> <li>Custom <a href="https://docs.question2answer.org/install/single-sign-on/">single sign-on</a> support for other sites.</li> <li>Deep integration and customization via <a href="https://docs.question2answer.org/plugins/">plugins</a>.</li> </ul> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">policy</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">Fast and secure</h4> <ul> <li>PHP/MySQL <a href="https://docs.question2answer.org/install/optimize/">scalable</a> to millions of users and posts.</li> <li><a href="https://docs.question2answer.org/install/security/">Safe from</a> XSS, CSRF and SQL injection attacks.</li> <li>Beat spam with captchas, moderation and/or flagging.</li> </ul> </div> </div> <div class="card-showcase"> <div class="card-showcase-icon"><span class="material-icons">translate</span></div> <div class="card-showcase-info"> <h4 class="card-showcase-title">How can I help?</h4> <p>Contribute <a href="https://github.com/q2a/question2answer">via Github</a>, create a <a href="https://docs.question2answer.org/themes/">theme</a>, <a href="https://docs.question2answer.org/plugins/">plugin</a> or <a href="https://docs.question2answer.org/translate/">translation</a>.</p> </div> </div> </div> </main> <footer class="footer"> <nav class="footer-nav"> <a class="footer-nav-link" href="https://www.question2answer.org/feedback.php">Contact devs</a> <a class="footer-nav-link" href="https://docs.question2answer.org/install/versions/">Version history</a> <a class="footer-nav-link" href="https://www.question2answer.org/license.php">License details</a> <a class="footer-nav-link" href="http://demo.question2answer.org/">Demo sandbox</a> </nav> <div class="credit"> Created by <a href="http://www.gidgreen.com/">Gideon Greenspan</a> and <a href="https://github.com/q2a/question2answer/graphs/contributors">contributors</a> </div> </footer> <script> window.addEventListener('load', stickyHeader); 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