Xojo - Real Software and Real Studio are now Xojo.
ENIGMA – LateralGM - LateralGM is a powerful IDE for ENIGMA, and both of these combine to offer you a cross-platform game environment.
PowerBASIC - PowerBASIC, formerly Turbo Basic, is the brand of several commercial compilers by PowerBASIC Inc.
Lobster - Lobster is a game programming language.
FreeBASIC - FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to...
Stride Game Engine - Stride is an open-source 3D Game Engine written in C# and released under the MIT License that allows you to build powerful game worlds for free or to generate income.