All the pricing tiers (including the free plan) offered by Tribe allow you to point your custom domain for your community. You can create your community under community.domain.com or domain.com with straightforward DIY instructions.
Not only that, you have complete control over changing the domain -- both your custom domain and the default Tribe sub-domain from the domain panel.
Reward members and influence user behavior with redeemable virtual currency
A combination of automation rules and robust tools to archive, merge, edit, delete, filter, and ban
Keep members updated with notification tools, bring them back to the community and boost retention
Create a community that uniquely adopts your branding