HolyC is very similar to regular C, so it's a very simple but powerful language. It was used to make all of TempleOS, so it definitely works to make programs.

Fortran is described as '(previously FORTRAN, derived from Formula Translating System) is a general-purpose, imperative programming language that is especially suited to numeric computation and scientific computing' and is a programming language in the development category. There are more than 10 alternatives to Fortran for a variety of platforms, including Linux, Mac, Windows, BSD and Self-Hosted apps. The best Fortran alternative is Python, which is both free and Open Source. Other great apps like Fortran are Rust, C (programming language), C++ and Julia.
HolyC is very similar to regular C, so it's a very simple but powerful language. It was used to make all of TempleOS, so it definitely works to make programs.


Object Pascal is a multi-paradigm, object-oriented, component-based general purpose programming language.
Mussel is an interpreted programming language written in Rust. It was designed as a simple and flexible language with a focus on easy-to-read syntax and powerful expression evaluation. Mussel supports basic data types, variable bindings, functions, closures, control flow...
Pike is a dynamic programming language with a syntax similar to Java and C. It is simple to learn, does not require long compilation passes and has powerful built-in data types allowing simple and really fast data manipulation.


Nelua is a systems programming language for performance sensitive applications, like real-time applications and game engines. Its syntax and semantics are similar to Lua, but its garbage collection is optional, it provides optional type notations, and it is free from an...

The Odin programming language is fast, concise, readable, pragmatic and open sourced. It is designed with the intent of replacing C with the following goals:
J is a high-level, general-purpose programming language that is particularly suited to the mathematical, statistical, and logical analysis of data. It is a powerful tool for developing algorithms and exploring problems that are not already well understood.

Pony is an open-source, object-oriented, actor-model, capabilities-secure, high-performance programming language.
A community fork of a language named after a plant fungus. All of the memory-safe features you love, now with 100% less bureaucracy.