Writing Interpreters in Rust: a Guide

The primary source code repository for Macaulay2, a system for computing in commutative algebra, algebraic geometry and related fields.

A BASIC interpreter written in golang.

Looks like JavaScript, feels like Ruby, and it is a script language fitting in C programmers.

Jaws is an invisible programming language! Inject invisible code into other languages and files! Created for security research -- see blog post

The Gossamer programming language and tooling

Ethereal Language Reference Implementation (archived). Currently working on Scribe.

A lightweight, embeddable scripting language

Feral programming language reference implementation

Source code for course "How to create your own programming language"

Primi language: A scripting language written in PHP.

Electra is an esolang where you code like an electrician.

Rashi Plus Plus - the new Hebrew scripting language

OpenXION - Reference Implementation of the XION Scripting Language

This is my personal library of code that is common to my different projects (Photosounder, SplineEQ, Spiral and others)

Gosh is an interpreted language for Go ecosystem written in Go

Go REPL Open Language

BHL is a strictly typed programming language based on C# specifically tailored for gameplay logic scripting.

(Hopefully) a compiler for my first language named "Pie"

Aims to be interpreted C written in C.