Invision Community (full name: Invision Community Suite) is a classic forum program written in PHP and MySQL. It was first published in 2002, initially called (Ibforums) and Invision Board, later changed to IPB (Invision Power Board) and IP.Board, then it was renamed IPS Community Suite. Its 1.x version is free and has a large number of users. But starting from 2.x, it became a paid program, which caused its market share to decline.

XenForo is an Internet forum software package written in PHP and MySQL. It is developed by former vBulletin lead developers Kier Darby and Mike Sullivan from United Kingdom in 2020. Compared with vBulletin, XenForo pays more attention to efficiency, is more advanced in architecture, and has better load capacity.

Forum/community is designed to facilitate online discussion and community building among users with common interests. It provides a platform for users to engage in discussions, share information, and connect with each other. It is widely used by online communities, including businesses, non-profit organizations, and educational institutions, to foster engagement and collaboration among their members.

UniMatrix Membership (UniMatrix for short) is a PHP- and MySQL-based MLM (Multi-Level Marketing) script application for servers. It can build membership sites using Unilevel plan or Forced Matrix plan with re-entry options, and has the basic functionality to run a successful referral marketing program, including regular membership renewals.

A Q&A website is an online platform for sharing knowledge, where users can ask their questions, and ultimately generates valuable information for the user through the act of social replies, comments and polls. Quickly solving users' problems will give them an excellent experience and they will like your website as a result, which will help increase the stickiness of your website. Also, Q&A content is more popular with search engines, which will bring you a constant stream of new users.