myBB is PHP based - True

MyBB, formerly MyBBoard and originally MyBulletinBoard, is a free and open-source forum software developed by the MyBB Group. It is written in PHP, supports MariaDB, MySQL, PostgreSQL and SQLite as database systems and, in addition, has database failover support.

While ago considered as an outsider, comparing to the big boards of Internet, MyBB is more and more popular, mostly for three of its qualities: simplicity, extensive administration panel and powerful plugin system. MyBB is a based on the PHP/MySQL technology, and is a free open source forum ...

MyBB is a discussion board that has been around for a while; it has evolved from other bulletin boards into the forum package it is today. Therefore, it is a professional and efficient discussion board, developed by an active team of developers. The MyBB history has been recorded and is available ...

MyBB is a traditional forum bulletin board system built in PHP that follows a classic server-side rendering architecture.

MyBB is a free and open source forum software written in PHP with support for MySQL/MariaDB/PostgreSQL/SQLite, licensed under GNU LGPL v3.

The official homepage for MyBB, a free and open source PHP forum software.

The PHP-based forum software MyBB supports MySQL, the free DBMS PostgreSQL, and SQLite.

phpBB is more flexible forum engine itself. For example, myBB permission system is group-only based, i.e. users permissions are defined only by groups participated by user, whereas in phpBB you can assign permissions independently of groups. Thanks for pointing that out!

A lot more people support phpBB3 over MyBB; as stated earlier in this post, MyBB has less support. Even one of my web sites supports phpBB but not MyBB. If you plan on using phpBB3, then I'd recommend changing the default theme to a "subsilver" based one, as that will show phpBB's "true" features.