Foundant Grant Lifecycle Manager - Online grants management system most recommended by grantmakers
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
Almabase - Build a powerful and engaging alumni website. For Free!
DownToMeet - DownToMeet is a platform to organize, find, and attend group events.
Digital Alumni - Digital Strategy Technologies --provides innovative software, strategic expertise, and client-tailored IT services
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.