Smalltalk is described as 'Object-oriented programming (OOP) language. It is objects all the way down. Smalltalk’s purity and clarity in this regard made it the archetype for nearly all other OOP languages' and is a programming language in the development category. There are more than 50 alternatives to Smalltalk for a variety of platforms, including Windows, Linux, Mac, BSD and Web-based apps. The best Smalltalk alternative is Python, which is both free and Open Source. Other great apps like Smalltalk are Java, C (programming language), Rust and C++.
Functional-first language for .NET with static typing, succinct and expressive code, advanced pattern matching, object-oriented features, interop with .NET languages, async programming, type providers, cross-platform support, tooling, and immutable data.
Concurrent functional language with built-in support for fault tolerance, distribution, and hot swapping, designed for scalable real-time systems in telecom, banking, e-commerce, and instant messaging. Features garbage collection and dynamic typing.
Clojure is a dynamic programming language that targets the Java Virtual Machine (and the CLR ). It is designed to be a general-purpose language, combining the approachability and interactive development of a scripting language with an efficient and robust infrastructure for...
Pharo is a pure object-oriented programming language and a powerful environment, focused on simplicity and immediate feedback (think IDE and OS rolled into one).
Groovy is an agile and dynamic language for the Java Virtual Machine (JVM).
Free Pascal (aka FPK Pascal) is a 32 and 64 bit professional Pascal and Object Pascal compiler. It is available for different processors: Intel x86, Amd64/x86_64, PowerPC, PowerPC64, Sparc, ARM.
The Objective-C language is a simple computer language designed to enable sophisticated object-oriented programming. Objective-C is defined as a small but powerful set of extensions to the standard ANSI C language.
Tcl (Tool Command Language) is a very powerful but easy to learn dynamic programming language, suitable for a very wide range of uses.
Hy is a wonderful dialect of Lisp that’s embedded in Python.
Since Hy transforms its Lisp code into the Python Abstract Syntax Tree, you have the whole beautiful world of Python at your fingertips, in Lisp form!.
Jython, successor of JPython, is an implementation of the Python programming language written in Java.
FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to MS-QuickBASIC, that adds new features such as pointers, unsigned data types, inline assembly, object orientation, and many others.
Squirrel is a high level imperative, object-oriented programming language, designed to be a light-weight scripting language that fits in the size, memory bandwidth, and real-time requirements of applications like video games.
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