WinDev - Integrated software for developing cross-platform applications.
Draftbit - Build mobile apps visually with Draftbit's pro-code, no-code platform. Source code included, of course.
4D - 4D is a relational database management system and IDE.
Android Studio - Android development environment based on IntelliJ IDEA
Xojo - Real Software and Real Studio are now Xojo.
Codebots - Codebots is an AI-powered app building tool designed for people who aren’t classically trained in programming.