Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
ChurchSuite - ChurchSuite is a cloud hosted, web-based church management system, ideal church database software for churches.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
eCatholic - eCatholic provides a total content management system that helps Catholic parishes, ministries, & dioceses create websites & website design.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.