Beluga JS - Open-source software for creating your own ecommerce site
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Ionic Creator V2 - Build better mobile apps, faster
BuildFire - BuildFire is the easiest way for small businesses to build a mobile app in a matter of minutes for iOS and Android.
VECA - Your eCommerce assistant
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.