Unity - The multiplatform game creation tools for everyone.
Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Rider - Rider is a cross-platform .NET IDE based on the IntelliJ platform and ReSharper.