Python is described as 'Interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported' and is a leading programming language in the development category. There are more than 50 alternatives to Python for a variety of platforms, including Linux, Windows, Mac, BSD and Web-based apps. The best Python alternative is Ruby, which is both free and Open Source. Other great apps like Python are Java, C#, PHP and R (programming language).
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.
Haskell is an advanced purely-functional programming language. An open-source product of more than twenty years of cutting-edge research, it allows rapid development of robust, concise, correct software.
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.
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.
Haxe is an open source toolkit based on a modern high level strictly typed programming language, a state-of-the-art light-speed cross-compiler, a complete cross-platform standard library, and ways to access to each platform's native capabilities.
D is a language with C-like syntax and static typing. It pragmatically combines efficiency, control, and modeling power, with safety and programmer productivity.
Elixir is a dynamic, functional language designed for building scalable and maintainable applications.
PyPy is a fast, compliant alternative implementation of the Python language (2.7.1). It has several advantages and distinct features:
Racket is a general-purpose programming language as well as the world’s first ecosystem for language-oriented programming.
V is a statically typed compiled programming language designed for building maintainable software.
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Based off of Python, similar modules system, and indention based. Probably the best alternative!