The clone from https://kenai.com/projects/nbappengine/pages/Home
The latest version of this plugin is nbappengine-7.4.x-gae1.8.x-3.0.0.zip.
Released builds (zipped nbms) can be found here:
https://code.google.com/p/nb-gaelyk-plugin/downloads/list
This version (nbappengine-7.3.x-gae1.8.x-2.0.0.zip) does not depend on the Netbeans modules that provide access to "friends" only. Thus, it can be used for all minor versions of the NetBeans IDE ( 7.3 and 7.3.1 for example).
The plugin supports version 2.x of the DataNucleus plugin for App Engine, which corresponds to DataNucleus Access Platform 3.0 and JPA 2.0.
Early versions are: nbappengine-7.3-gae1.8.x-1.3.0.zip and nbappengine-7.3.1-gae1.8.x-1.3.2.zip_.
Choose .zip file from the list and download it.
The build is compiled with jdk7 but the source code doesn't contain specific for java 7 code. So it can be compiled with jdk6.
Allows correctly Run/Debug/Deploy/Profile any open project.