OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.

Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.

Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.

QuickBase - Quickbase provides a no-code operational agility platform that enables organizations to improve operations through real time insights and automation across complex processes and disparate systems. ​​