Are We Fast Yet? Comparing Language Implementations with Objects, Closures, and Arrays

Embeddable programming language

Little Cat is a modern dynamic typed interpreted language that allows you to write programs quickly and easily.

Largest programming language project so far. Somewhat buggy.

AST Parser and Emitter for Jolt

Minimalistic dynamically-typed programming language for didactic purposes.

Stack-based virtual machine implementation of the Lox programming language

The Compiler-oriented programming language

Interpreter of so called Noam language

A virtual machine and a tree-walk interpreter for the Lox programming language in C89 🌀

an object-oriented logo made in Coffeescript (Javascript)

Functional scripting in Java.

Speka: a tiny OO language

GRI - An interpreter for a language suitable for graph algorithms

Examples of design patterns in Ruby

Lila is a dynamic language running on the JVM with efficient multiple and predicate method dispatch