A toy interpreter for a minimalistic imperative language in 1.3k LoC

In plain words

This is a toy interpreter for a minimalistic imperative language, written in just 1.3k lines of code. It implements a complete lexer, parser, and interpreter for a C-like language with basic features. The project is designed to be hackable and extensible, making it useful for anyone wanting to learn how interpreters work or experiment with language design fundamentals.

written from the facts on this page · September 2026

• 
  Small Clojure Interpreter2019 · github.com · ▲143

  Configurable Clojure/Script interpreter suitable for scripting and Clojure DSLs - babashka/sci

• 
  A compiler and VM for a simple language, in 150 lines of code2022 · gist.github.com · ▲200

  A complete compiler for a simple language (in less than 150 LoC) - 00_readme.md

• 
  Maybe Haskell2015 · books.thoughtbot.com · ▲60

  See what it’s like to program in a language without null.

• GI
  Going into freshman year, figured I should build an interpreter2023 · ▲138

  Hi all! I'm going into my freshman year, and figured that the best way to prepare for the intro to programming Racket course would be to implement my own garbage-collected, dynamically typed, functional programming language in C ;) Anyways... here's the repo: https://github.com/liam-ilan/crumb I started learning C over the summer, so I still have a whole lot to learn... Any feedback would be greatly appreciated! :D

• 
  “Crafting Interpreters” chapter, control flow and Turing-completeness2017 · craftinginterpreters.com · ▲116
• 
  PlanckForth – Bootstrapping an interpreter from handwritten 1kb binary2021 · github.com · ▲132

  Bootstrapping a Forth interpreter from hand-written tiny ELF binary. Just for fun. - GitHub - nineties/planckforth: Bootstrapping a Forth interpreter from hand-written tiny ELF binary. Just for fun.

• 
  SimCity, but with Permits▲930

  A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.

  Life & fun · 2d ago · permit.petercai.com

• IV
  I've been paying for a rural Tanzanian's education for 10 years▲778

  Life & fun · 15d ago · tanzaniaeducationproject.org

• 
  Bigwords.page – Turn any screen into a sign. The URL is the app▲728

  Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.

  Life & fun · 16d ago · bigwords.page

• 
  Guitoro, a virtual guitar you strum with your keyboard▲573

  Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.

  Life & fun · 9d ago · guitoro.com

• 
  See *almost* any carriers phone settings▲432

  Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.

  Life & fun · 13d ago · carrierexplode.com

• 
  The whole Solar System and every tracked satellite, live in the browser▲407

  Life & fun · 23d ago · space.bl2.net

• 
  Product Hunt LIVE 💬▲848

  Chat with some of the world’s most interesting makers

  Life & fun · 2015

• 
  Nebia Shower▲838

  Better shower, 70% less water

  Life & fun · 2015 · brondell.com

• MS
  My SSH server knows who you are▲836

  Life & fun · 2015 · blog.filippo.io

• 
  M▲714

  A personal assistant built inside Facebook Messenger

  Work · 2015 · facebook.com

• 
  Content Marketing Stack▲673

  A curated directory of content marketing resources

  Growth · 2015 · contentmarketingstack.co

• 
  Growth Hacking Tools▲650

  A curated collection of growth hacking tools

  Growth · 2015