AppyBuilder - An App Inventor 2 spin-off. Formerly called AILiveComplete.
U3.net - Create a full-fledged mobile application without Coding
AppMySite - An automated no-code app builder
Pineapple.build - Create Native Mobile Apps. Using Your Phone, Tablet or Computer. Without Coding.
AppyPie AppMakr - AppMakr is a browser-based platform designed to make creating your own iPhone app quick and easy.
Trunao - Convert Excel to database with Trunao