Swift is ideal for creating native apps for Apple devices like iPhones, iPads, Macs, and Apple Watches.
Java is suitable for creating cross-platform apps, as well as native Android apps.
Kotlin is a newer and more concise language that can be used for developing Android apps. It is fully compatible with Java and can use the same libraries and tools.
C# is a popular and robust language that can be used for developing Windows and cross-platform apps.
Python has rich libraries and frameworks, such as Django, Flask, and PyQt. Python is a convenient and flexible language for creating apps for web and desktop platforms.