C is a general-purpose computer programming language. C is one of the most widely used programming languages of all time.
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.
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.
Racket (formerly PLT Scheme) is a modern programming language in the Lisp/Scheme family, suitable for a wide range of applications. It goes beyond Lisp and Scheme with dialects that support objects, types, laziness, and more.
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:
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.
Rebol (historically REBOL) is a cross-platform data exchange language and a multi-paradigm dynamic programming language designed by Carl Sassenrath for network communications and distributed computing. It introduces the concept of dialecting: small, optimized, domain-specific...
REBOL vs Red (Programming Language) opinions
Red is actually an implementation of REBOL with some differences. Even Red compiler is written in REBOL.