It already exists and is called the Intellij Platform. It's open source and the base for all Jetbrains IDEs, see:
* http://www.jetbrains.org/pages/viewpage.action?pageId=983889 * https://github.com/JetBrains/intellij-community/tree/master/...
* http://www.jetbrains.org/pages/viewpage.action?pageId=983889 * https://github.com/JetBrains/intellij-community/tree/master/...
Current project I'm using PHP and Python for different parts and it is absolutely flawless, also if anyone hasn't used them Facets and Aspects are incredible!