Forums are used to build community websites where users can interact with each other. They can post what they know and ask what they do not know. This kind of website also generates much revenue. If you also want to have a forum, you can use any open source forum script.
There are many open-source free to use forum software available. But, esoTalk is one of the less popular but nice open-source forum software written in PHP and MySQL. This software is developed in simple manner and works really fast. Developers can easily customize and extend this forum and integrate into web application.
Installation and use of this PHP script is very easy. It has been built from the ground up to take advantage of modern web technologies and provide the perfect balance between simplicity, power, speed, and scalability. It is released under GPL 2 License.
Requirements: PHP and MySQL
License: GPL License