RAD Studio
Xamarin.Android
Rider
IntelliJ IDEA
Qt Creator
Microsoft Visual Studio
Android Studio
Thunkable X
kdiff3
Beyond Compare
WinMerge
Meld
Araxis Merge
DiffMerge
P4Merge
Devart Code Compare
RAD Studio
kdiff3Xamarin.Android - Integrated environment for building not only native Android but iOS and Windows apps too.
Beyond Compare - Beyond Compare allows you to compare files and folders.
Rider - Rider is a cross-platform .NET IDE based on the IntelliJ platform and ReSharper.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
IntelliJ IDEA - Capable and Ergonomic IDE for JVM
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.