> For the complete documentation index, see [llms.txt](https://docs.red4ext.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.red4ext.com/mod-developers/red4ext-and-red4ext.sdk.md).

# RED4ext & RED4ext.SDK

## What is RED4ext?

[RED4ext](https://github.com/WopsS/RED4ext) is currently only a plugin manager for plugins that extends REDengine 4. It takes care of loading the plugins for the specified game's version.

## What is RED4ext.SDK?

[RED4ext.SDK](https://github.com/WopsS/RED4ext.SDK) is a library that can be used to extend REDengine 4. The library provide the following features:

* Interacting with the game's scripting VM (e.g. calling functions or accessing class properties);
* Creating new native classes or functions;
* Reversed game's structures;

## How can I browse the SDK?

See [Browse Red4Ext: NativeDB](/mod-developers/red4ext-and-red4ext.sdk/browse-red4ext-nativedb.md)