Rock RMS - Rock RMS is a community supported open-source Church Management System that provides innovative features to churches of all sizes.
Unity - The multiplatform game creation tools for everyone.
ChurchSuite - ChurchSuite is a cloud hosted, web-based church management system, ideal church database software for churches.
Godot Engine - Feature-packed 2D and 3D open source game engine.
ChurchInsight - ChurchInsight is a church website content management system (cms). It allows churches to have great church websites and the best church website designs.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.