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

Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.

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

eCatholic - eCatholic provides a total content management system that helps Catholic parishes, ministries, & dioceses create websites & website design.

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

ChurchInsight - ChurchInsight is a church website content management system (cms). It allows churches to have great church websites and the best church website designs.