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

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

A lightweight, embeddable scripting language

Feral programming language reference implementation

Primi language: A scripting language written in PHP.

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

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

Gosh is an interpreted language for Go ecosystem written in Go

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

Bourne shell, template engine, scripting language reliable, scalable projects. Based a ISO standard proven effective for large, mission-critical projects, SparForte is designed for fast development while, at the same time, providing easier designing, maintenance and bug removal. About 130.000 lines of code.

BHL is a strictly typed programming language specifically tailored for gameplay logic scripting.

Jinko is a small and safe interpreted language with fast Rust and C FFI

The Beryl Scripting Language

A learning project implementing a statically typed embeddable programming language