Invision Power Suite (abbreviated as IPS, IP.Suite, or IP Suite) is primarily Internet-based community software produced by Invision Power Services, Inc. It is written in PHP and uses MySQL as a database management system. Invision Power Services sells applications, each of which can be purchased and installed separately alongside the kit, the best known being the Invision Power Board software for the internet forum. Invision Power Suite refers to the combined collection of applications provided by Invision Power Services and is the core of the framework.