Realaxy ActionScript Editor
New ActionScript IDE Based on JetBrains MPS
RASE is a commercial ActionScript IDE developed by Realaxy, based on the JetBrains MPS meta programming system. It features autocomplete, smartcomplete, refactoring, tooltips and code navigation functionality, and allows the developer to create and use language extensions.
Realaxy ActionScript Editor 1.0 is currently planned for release at the end of August, 2010.