The compiler that translates the visual blocks language for implementation on Android uses the Kawa language framework and Kawa's dialect of the Scheme programming language, developed by Per Bothner and distributed as part of the GNU operating system by the Free Software Foundation.
In August 2011, Google announced that App Inventor would be discontinued as a Google product, and that the code would become open sourced. It is now part of the MIT Center for Mobile Learning
which is at the MIT Media Lab, run by App Inventor creator Hal Abelson,
along with fellow MIT professors Eric Klopfer and Mitchel Resnick (both
of whom were also instrumental in the creation of the project).