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 an app in the Development category. There are more than 50 alternatives to Smalltalk for a variety of platforms, including Windows, Linux, Mac, BSD and Haiku. The best alternative is Python, which is both free and Open Source. Other great apps like Smalltalk are Java (Free Personal, Open Source), C (programming language) (Free, Open Source), C++ (Free, Open Source) and Go (Programming Language) (Free, Open Source).
C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose, powerful programming language. It is regarded as an intermediate-level language, as it comprises a combination of both high-level and low-level language features.
Ruby is a dynamic, reflective, general purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was initially developed and designed by Yukihiro "Matz" Matsumoto.