Kodular - Much more than a modern app creator without coding
Android Studio - Android development environment based on IntelliJ IDEA
Thunkable - Powerful but easy to use, drag-and-drop mobile app builder.
Flutter.dev - Build beautiful native apps in record time 🚀
MIT App Inventor - App Inventor is a cloud-based tool, which means you can create apps for phones or tablets right in your web browser.
ASP.NET Core - With ASP.