Rust - A safe, concurrent, practical language
Godot Engine - Feature-packed 2D and 3D open source game engine.
Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
NIM - GB64.COM is the home of The Gamebase Collection of C64 games.
Unity - The multiplatform game creation tools for everyone.