Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.
TidyHQ - Organization management tool to support membership, subscriptions, event planning, and outreach.
eCatholic - eCatholic provides a total content management system that helps Catholic parishes, ministries, & dioceses create websites & website design.
Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.
ChurchInsight - ChurchInsight is a church website content management system (cms). It allows churches to have great church websites and the best church website designs.
Membee - Membee is web-based membership management software.