Commercial community platform with forums, blogs and a store, licensed or hosted by the vendor. Invision Power Servicesのクローズドな製品です。
phpBB、MyBB、Simple Machines Forum。Invision Communityの代替3件（PHP）。置き換えの度合い、ライセンス、スター数、署名付きの最新リリースを比較できます。
代替3件
phpBB Development: phpBB is a popular open-source bulletin board written in PHP. This repository also contains the history of version 2.
Forum software with extensions and styles, without the store or blogs.
MyBB is a free and open source forum software.
Forum software with plugins and themes, without the store, blogs or gallery apps.
Simple Machines Forum — SMF in short — is free and open-source community forum software, delivering professional grade features in a package that allows you to set up your own online community within minutes!
Forum software with mods and themes, without the store or blogs.