Question2Answer is a free and open source platform for creating Q&A sites. It is designed to be a simple yet powerful tool for creating online forums and websites where users can ask and answer questions. The platform is ideal for creating educational and reference applications where users can search for answers to their queries and have their opinions heard. It is packed with features that make it easy to use, such as a drag-and-drop interface, customizable themes, and a powerful search engine. It also includes powerful moderation tools that allow administrators to control user behavior. It is compatible with most web servers and databases, so it can be quickly set up and deployed.
Discontinued Last commitment on November 29, 2009, see https://github.com/Plurk/Solace.