From JED  / It is FREE

The most recent stable release, recommended for production websites running J! 4.4/5.0/5.1, is Kunena 6.3.7Details about changes in last release of Kunena 6.3 are contained in the release notes at https://www.kunena.org/blogMAIN FEATURES:

• Build with jQuery, Bootstrap (2.x,3.x and 4.x) and Fontawesome 6
• Uses CKeditor 4
• Highly configurable
• Upload attachments in Ajax with drag&drop support
• Upload avatar in Ajax
• Save moderation actions with log system and system error
• Rate topic
• Support polls in topic
• Buit-in template installation support
• Integration plugins to work with : AltaUserpoint, Community Builder, Jomsocial, Easyblog, Easyprofile, Easysocial, Uddeim and gravatar
• Support in messages embded tweet, soundcloud, instagram and ebay
• Support of openGraph
• Support of microdata