PhoneGap might be a bit more popular than BlueJ. We know about 1 link to it since March 2021 and only 1 link to BlueJ. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
For the record, I find the teaching IDE BlueJ very easy to use and try things out in JavaFX. It is very light to use as it isn't designed as a normal IDE but you can simply write a JavaFX class and right-click to run as it. Source: almost 3 years ago
You can build cross platform app with React Native, Ionic or PhoneGap. - Source: dev.to / over 2 years ago
Netbeans - NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.
Apache Cordova - Platform for building native mobile applications using HTML, CSS and JavaScript
Eclipse - Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.
React Native - A framework for building native apps with React
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Ionic - Ionic is a cross-platform mobile development stack for building performant apps on all platforms with open web technologies.