Kotlin is described as 'Cross-platform, statically typed, general-purpose programming language with type inference. Kotlin is designed to interoperate fully with Java, and the JVM version of its standard library depends on the Java Class Library, but type inference allows its syntax to be' and is a programming language in the development category. There are more than 50 alternatives to Kotlin for a variety of platforms, including Mac, Windows, Linux, BSD and Web-based apps. The best Kotlin alternative is Python, which is both free and Open Source. Other great apps like Kotlin are JavaScript, Java, C# and Lua.
Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.
JavaScript (sometimes shortened to JS) is a lightweight, interpreted, object-oriented language with first-class functions, most known as the scripting language for Web pages, but also used in many non-browser environments.
Java is a general-purpose computer programming language that is concurrent, class-based, object-oriented, and specifically designed to have as few implementation dependencies as possible.
C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming disciplines.
Lua is a powerful, fast, lightweight, embeddable scripting language.
Lua combines simple procedural syntax with powerful data description constructs based on associative arrays and extensible semantics. Lua is dynamically typed, runs by interpreting bytecode for a register-based.
TypeScript is a language for application-scale JavaScript development. It is a typed superset of JavaScript that compiles to plain JavaScript in any browser, any host, any OS and it is Open Source.
Dart (originally called Dash) is a Web programming language developed by Google. It was unveiled at the GOTO conference in Aarhus, 2011 October 10-12. The goal of Dart is "ultimately to replace JavaScript as the lingua franca of web development on the open web platform.
Scala is a modern multi-paradigm programming language based on the Java Virtual Machine (JVM) designed to express common programming patterns in a concise, elegant, and type-safe way.
Nim is a statically typed, imperative programming language with a powerful macro system that tries to give the programmer ultimate power without compromises on runtime efficiency.
Open-source programming language for developing iOS, macOS, watchOS, tvOS, and visionOS apps, featuring safety, speed, type inference, generics, native-code compilation, protocol-oriented design, memory management, Playgrounds, package manager, and Objective-C interoperability.
Elixir is a dynamic, functional language designed for building scalable and maintainable applications.
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The syntax of Swift is extremely similair to the one of Kotlin like these two programming languages are siblings who live in separate worlds. They are of different temper but cannot deny their common roots. ;) --> Who writes the first Swift / Kotlin cross-compiler? :)