I saw this the other day: http://rhomobile.com/ http://rhomobile.com/ "Rhomobile's open source mobile application framework Rhodes lets you quickly build mobil

I saw this the other day: http://rhomobile.com/ http://rhomobile.com/ "Rhomobile's open source mobile application framework Rhodes lets you quickly build mobile interfaces to enterprise applications. These are true native device applications: they work against synced local data and take advantage of device capabilities such as GPS and PIM access." I didn't look into it much, but it might be worth your while to investigate.