Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

Kajabi - Kajabi is the only Knowledge Commerce platform today with everything you need to market, sell, and deliver your knowledge online.

Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.

Tendenci - Tendenci - The Open Source AMS is a cloud-based​ all-in-one management SaaS solution for Non-profits and Associations.

Bigtent - BigTent is a web-based organization and communication portal for groups.

YourMembership - YourMembership provides membership management software integrated with social networking features.