Microsoft Visual Studio - Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.
Grit Game Engine - The Grit Game Engine is an MIT-Licensed Open Source Game Engine that is highly scriptable via Lua.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
libtwo - All-purpose c++ app prototyping library, focused towards live graphical apps and games
Visual Studio Code - Build and debug modern web and cloud applications, by Microsoft
MOS - Lightweight game engine.