Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
AppsGeyser - Appsgeyser is the easiest to use DIY native mobile app creation platform.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.