itch.io

Uses two-dimensional "sprites", 2D images created and used on a flat plane, as opposed to the three-dimensional models or environments found in 3D games.

Projects made with the all-in-one cross-platform 2D game development engine

Resources relating to or for building Graphical User Interfaces (Commonly called GUIs)

Products that involve or comprise source code, including programming games; does not refer to products with their own source code available, open source or not.

Resources for building and relating to User Interfaces, how the user interacts with your program