1. App Inventor,
http://appinventor.mit.edu
2. Applause,
https://github.com/applause/applause
3. ModAgile,
http://www.modagile-mobile.de
4. PIMAR: Model-driven development of mobile apps,
http://www.uni-marburg.de/fb12/swt/forschung/software/pimar/
5. Web Services Business Process Execution Language (WS-BPEL) Version 2.0 (2007),
http://docs.oasis-open.org/wsbpel/2.0/OS/wsbpel-v2.0-OS.html