Community platform with courses and events.
Community platforms listings
Community and courses with gamification.
Open-source discussion forum software.
Community, courses, and memberships.
Community platform for online groups.
Customizable community platform for brands.
Simple, open-source forum software.
Cards

Circle
circle.so
Circle
Community platform with courses and events.

Skool
skool.com
Skool
Community and courses with gamification.

Discourse
discourse.org
Discourse
Open-source discussion forum software.

Mighty Networks
mightynetworks.com
Mighty Networks
Community, courses, and memberships.

Heartbeat
heartbeat.chat
Heartbeat
Community platform for online groups.

Bettermode
bettermode.com
Bettermode
Customizable community platform for brands.

Flarum
flarum.org
Flarum
Simple, open-source forum software.