MemberLeap - Member Leap offers membership management, website content management, billing, event registration, and several cloud-based applications.
ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.
FellowshipOne - Church management software with online giving platform
Proboards - ProBoards is a host of free forums with customer service.
bantu Workspace - Community management platform
Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android