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

Financial Edge NXT - Financial Edge NXT is the cloud accounting solution for nonprofits thats has reporting tools to help accounting team drive efficiency, transparency, and financial stewardship.

Galette - Galette is a membership management web application towards non profit organizations.

LiveImpact - LiveImpact Nonprofit Technology that integrates with quickbooks, gmail, google docs and provides donor, donation, volunteer, crm management. Event, donation, social fundraiser, gala events, student tacking, increased engagement and task management

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

Visual Fund Accounting - Visit the post for more.