Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
ChurchSuite - ChurchSuite is a cloud hosted, web-based church management system, ideal church database software for churches.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
eCatholic - eCatholic provides a total content management system that helps Catholic parishes, ministries, & dioceses create websites & website design.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.