Official simple forum engine for FFCMS 3.0 version. This software provide a basic forum solutions for ffcms. You can install forum using composer:
composer require phpffcms/ffcms-forum 1.0.*@stable
or add this in section "require" of composer.json:
"phpffcms/ffcms-forum": "1.0.*@stable"
More info about this extension you can get in ffcms extensions directory.