Oracle APEX - Oracle Application Express (APEX) is a low-code development platform that enables you to build stunning, scalable, secure apps, with world-class features, that can be deployed anywhere.
Jmix - Jmix is a high-level application development framework that you can use to build web apps.
FileMaker Pro - FileMaker Pro Advanced includes all the features of FileMaker Pro plus a set of advanced tools so you can rapidly build powerful custom apps.
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Open As App - Automatically create a business app from a spreadsheet, no coding.
Radicore - RADICORE - Rapid Application Development Toolkit