Question2Answer is a free and open source platform for Q&A sites.
What is a Question and Answer site?
A Q&A site helps your online community to share knowledge. People with questions quickly get the answers they need. The community dynamic is enriched by commenting, voting, notifications, user points and rankings.
Why offer Q&A on my site?
Your members will be amazed by how quickly they get answers, and will come back to your site more regularly.
Many web searches are questions, so Q&A content is also very search-engine friendly, bringing new visitors to your site.
What is Question2Answer?
Question2Answer (Q2A) is a popular open source Q&A solution, already in use on 4,859 sites in 40 languages. It is built on the standard PHP/MySQL platform, and runs safe and fast.
How do I get Q2A?
Download Question2Answer 1.5.2, then read how to install. Version 1.5.2 was released on 29th April 2012. Also on GitHub.
What does Q2A need?
- PHP 4.3 or later, including PHP 5.x.
- MySQL 4.1 or later, including MySQL 5.x.
What's the license?
Question2Answer is open source, licensed under GNU GPL.
Easy to set up
- Q2A takes 5 minutes (or less!) to install.
- Easy styling with CSS themes.
- Supports translation into any language.
- Custom sidebar, widgets, pages and links.
- SEO features such as XML Sitemap and neat URLs.
Fast and secure
- PHP/MySQL scalable to millions of users and posts.
- Safe from XSS and SQL injection attacks.
- Beat spam with captchas, moderation and/or flagging.
Core Q&A features
- Fast integrated search engine.
- Categories (up to 4 levels deep) and/or tagging.
- Voting, comments and follow-on questions.
- Points-based reputation management.
- RSS, email notifications and personal news feeds.
Built-in user account management...
- Create experts, editors, moderators and admins.
- User avatars (or Gravatar) and custom fields.
- Private messaging between users.
- Log in via Facebook or others (using plugins).
...or integrate with existing sites