Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

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

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.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

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