The Raisers Edge - Cloud-based fundraising & donor management software solution built specifically for nonprofits & the entire social good community - get more info here.

ForumFree - ForumFree allows you to create a forum or a blog in a few simple steps.

Naviance - Naviance is a college and career preparedness software for students.

Proboards - ProBoards is a host of free forums with customer service.

Talisma - CRM suite with marketing and KB (Knowledge Base) tools

Disciple - Grow, engage and monetise your community with Disciple community software. Get your own branded community platform on Web, iOS and Android