Xojo - Real Software and Real Studio are now Xojo.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
FreeBASIC - FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to...
AppsGeyser - Appsgeyser is the easiest to use DIY native mobile app creation platform.
PowerBASIC - PowerBASIC, formerly Turbo Basic, is the brand of several commercial compilers by PowerBASIC Inc.
BuildFire - BuildFire is the easiest way for small businesses to build a mobile app in a matter of minutes for iOS and Android.