Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Confluence - Confluence is content collaboration software that changes how modern teams work
Bigtent - BigTent is a web-based organization and communication portal for groups.
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.