The Overlay Framework is an open-source addon and utility framework that makes it easy to add additional content such as custom UI elements or new skins without having to modify the game's source code.

The framework is intended for use by developers who are interested in extending the game's content and functionality. It can be used as a standalone add-on, or it can be integrated into the game and its usage depends on the type of add-on and its integration scheme.

It is designed to be used in conjunction with a game-modifying application, such as the F4SE mod, to provide a full integration and customization of the game's content. The framework is compatible with all current versions of the game.