Desktop/Android/HTML5/iOS Java game development framework
Orx: Portable Game Engine
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
scriptable game engine with built-in support for 2D graphics and sound
2D game creation software
Cross platform 2D game creation framework with Python bindings