https://eclipseide.org/  

 Open-source IDE used for Java development, with numerous plugins.

https://www.jetbrains.com/ 

A set of code editors with many built-in tools to help write and organize Kotlin, Java, and Python code.

https://code.visualstudio.com/

A free and lightweight code editor for Python with numerous extensions.

https://www.python.org/downloads/

Python interpreter required to run code within Visual Studio Code.

https://developer.android.com/studio 

The official program for creating Android apps.