F# is a mature, open source, cross-platform, functional-first programming language. Developed by MS
License: Open Source
F# is a functional-first programming language that emphasizes immutability and type safety, making it suitable for complex data manipulation and algorithmic tasks. Objective-C, on the other hand, is an object-oriented language that excels in dynamic application development, particularly within Apple's ecosystem, but is becoming less popular with the rise of Swift.