GoodBarber - GoodBarber is a mobile app creation platform.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Bizness Apps - Create your own app or become a reseller and build apps for others
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.
Dropsource - Mobile development platform for building native iOS & Android apps
Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.