---
title: Frameworks and External APIs
---

The following section explains how to access specific frameworks from inside the *IntelliJ Platform*.
This includes:

* [XML DOM API](/reference_guide/frameworks_and_external_apis/xml_dom_api.md)
* [Spring API](/reference_guide/frameworks_and_external_apis/spring_api.md)
* [External Builder API and Plugins](/reference_guide/frameworks_and_external_apis/external_builder_api.md)
* [External System Integration](/reference_guide/frameworks_and_external_apis/external_system_integration.md)