Making the work
Growing an audience
Running the business
discourse.org
6 tools that solve a similar problem. Compare what each costs and what it covers.
Forum software you can host yourself
NodeBB is forum software you can also self-host, with a free tier and plans from $20, a fraction of Discourse's $100 hosted entry.
Forum software you host yourself
Flarum is free forum software you host yourself, the no-bill option when a sysadmin is already on hand and managed hosting is not required.
Channels for a community that outgrew a group chat
Slack is the chat-channel route for a community that outgrew a group chat, free to start, the pick when live conversation matters more than a searchable archive.
Community software that looks like yours, not ours
Circle is community software that looks like yours, not ours, from $89 a month, for communities that would rather pay for managed software than think about servers.
Community, courses and memberships
Mighty Networks folds courses and memberships into the community from $79 a month, more a business platform than a threaded public archive.
Your community as an app in the app stores
Disciple turns a community into a branded app in the app stores, from $399 a month with no free tier, for a group that wants its own app instead of a public, searchable forum.