🏕️🔥️🖥️2️⃣️0️⃣️0️⃣️1️⃣️ FreeCodeCamp data, information, usage, and documentation by @seanpm2001

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• Updated Nov 1, 2026
• HTML

Several simple compilers/interpreters implemented in C/C++ or Haskell, e.g. music notation compiler (simple music notation to abc notation), several compilers for toy programming languages, and an interpreter for a JavaScript-like programming language.

c calculator haskell translator interpreter compiler toy-compiler compiler-principles toy-programming-language compiler-design abc-notation javascript-language principles-of-programming-languages

• Updated Jun 14, 2019
• C

Learn basic algorithms and programming logic with the Javascript language

javascript learning algorithm algorithms programming-fundamentals learning-javascript beginners-friendly javascript-language

• Updated Jul 4, 2022
• JavaScript

Dead-simple functional JavaScript transpiler.

language functional-programming transpiler javascript-language

• Updated Aug 18, 2018
• JavaScript

📧️2️⃣️✉️📩️💾️ The official source repository for the EMAIL 2.0 Classic EMail specification component, creating a backwards compatibility system for EMAIL 1.0.

gplv3 gpl3 javascript-language javascript-lang email2 email2-project email2-development email-revolution email-2 email-2-project email-2-development email-upgrade email2-classicemail email2-classic-email email2-classicemail-project email2-classicemail-development

• Updated Jan 28, 2025
• JavaScript

📫️📪️📬️📭️💾️ The official source repository for the Mail Manager component of the EMAIL 2.0 specification.

javascript gplv3 email md txt gpl3 javascript-language javascript-lang email2 email2-project email2-development email-revolution email-2 email-upgrade email2-mailmanager email2-mailmanager-project email2-mailmanager-development mailmanager mailmanager-project mailmanager-development

• Updated Oct 1, 2023
• JavaScript

🟫️🎊️📧️🎆️ The official EMAIL -3.0 Blockchain EmailFX specification source repository.

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• Updated Oct 9, 2023
• JavaScript

🇸-🇩-🇪📱️🌐️💾️🔌️ SDE MobileServer NuxtJS support plugin.

javascript server gplv3 nuxtjs sde md txt gpl3 javascript-language mobileserver javascript-lang sde-project sde-development sde-mobileserver mobile-server sde-mobile-server nuxtjs-plugin sde-mobile-server-plugins

• Updated Jun 18, 2023
• JavaScript

🟫️❇️📧️✴️ The official EMAIL -3.0 Blockchain Email Stamp specification source repository.

javascript gplv3 blockchain solidity md txt gpl3 solidity-language javascript-language solidity-lang javascript-lang email-3 email-3-project email-3-development email-blockchain email-3-blockchain email-3-stamps-blockchain email-3-stamps-blockchain-project email-3-stamps email-3-specification

• Updated Oct 9, 2023
• JavaScript

SNU_CardStack is the card game mode of the website. It has a variety of card games that are playable.

gplv3 card-games card-game playing-cards snu gpl3 cardstack javascript-language snu-development javascript-lang html-lang html-language snu-project snu-cardstack snu-cardstack-project snu-cardstack-development

• Updated Jun 10, 2025
• HTML

📥️🧰️📧️ The official source repository for the EMAIL 2.0 TackleBox (Phishing containment box) specification.

javascript gplv3 phishing md txt gpl3 javascript-language phishing-detection tacklebox javascript-lang email2 email2-project email2-development email-update email-revolution email2-tacklebox email2-tacklebox-project email2-tacklebox-development phishing-storage email-tacklebox

• Updated Sep 17, 2023
• JavaScript

📥️🛢️📧️📖️ The official source repository for the EMAIL 2.0 SpamCan (Spam folder) specification

javascript documentation docs gplv3 md txt gpl3 javascript-language javascript-lang seanpm2001-docs seanpm2001-documentation email2 email2-project email2-development email2-spamcan email2-spamcan-project email2-spamcan-development spamcan spamcan-development spamcan-project

• Updated Sep 18, 2023
• JavaScript

🇸-🇩-🇪📱️🌐️💾️🔌️ SDE MobileServer Gatsby support plugin.

javascript server gplv3 gatsby sde md txt gpl3 gatsby-plugin javascript-language mobileserver javascript-lang sde-project sde-development sde-mobileserver mobile-server sde-mobile-server sde-mobileserver-plugins

• Updated Jun 18, 2023
• JavaScript

🇸-🇩-🇪📱️🌐️💾️🔌️ SDE MobileServer MathJax support plugin.

javascript plugin server gplv3 mathjax sde md txt gpl3 javascript-language mobileserver javascript-lang sde-project sde-development sde-mobileserver mobile-server sde-mobile-server mathjax-plugin sde-mobile-server-plugin

• Updated Jun 18, 2023
• JavaScript

🇸.🇳.🇺🃏️🛖️🃏️💾️ The official source repository for the SNU CardStack GameHouse mode for shedding card games.

gplv3 card-games playing-cards snu gpl3 cardstack javascript-language gamehouse snu-development javascript-lang snu-project snu-cardstack snu-cardstack-project snu-cardstack-development snu-cardstack-gamehouse snu-cardstack-gamehouse-shedding shedding-card-games

• Updated Jun 9, 2025
• HTML

💾️🔄️🌐️ This repository is for adding WebGL support and functionality to the ProTraApp software library.

webgl gplv3 gpl3 javascript-language software-library protraapp javascript-lang protraapp-project protraapp-development protraapp-webgl protraapp-webgl-project protraapp-webgl-development

• Updated Jan 31, 2025
• JavaScript

🏳️💾️🌐️ The official source repository for the JavaScript web application variant of the Flag Simulator project.

gplv3 webapp flag flags vexillology gpl3 javascript-language javascript-lang flag-simulator flag-simulator-project flag-simulator-development seanpm2001-flag-simulator flagwaver flag-simulator-webapp flag-simulator-webapp-javascript

• Updated May 7, 2025
• JavaScript

🇸.🇳.🇺🃏️🛖️2️⃣️1️⃣️💾️ The official source repository for the SNU CardStack GameHouse mode for the card game TwentyOne Thresholds.

gplv3 card-game playing-cards snu gpl3 cardstack javascript-language twentyone snu-development javascript-lang snu-project snu-cardstack snu-cardstack-project snu-cardstack-development snu-cardstack-gamehouse snu-cardstack-gamehouse-banking banking-card-games twentyone-card-game twentyone-thresholds

• Updated Jun 4, 2025
• HTML

🇸.🇳.🇺🃏️🛖️2️⃣️1️⃣️💾️ The official source repository for the SNU CardStack GameHouse mode for the card game TwentyOne.

gplv3 card-games playing-cards snu gpl3 javascript-language twentyone snu-development javascript-lang snu-project snu-cardstack snu-cardstack-project snu-cardstack-development snu-cardstack-gamehouse snu-cardstack-gamehouse-project snu-cardstack-gamehouse-development banking-card-games snu-cardstack-gamehouse-twentyone twentyone-card-game

• Updated Jun 4, 2025
• HTML

🇸.🇳.🇺🃏️🛖️🃏️8️⃣️💾️ The official source repository for the SNU CardStack GameHouse mode for the shedding card game Crazy Eights

gplv3 card-games playing-cards snu gpl3 cardstack javascript-language gamehouse snu-development javascript-lang crazyeights snu-project snu-cardstack snu-cardstack-project snu-cardstack-development snu-cardstack-gamehouse snu-cardstack-gamehouse-shedding shedding-card-games snu-cardstack-gamehouse-shedding-c8

• Updated Jun 9, 2025
• HTML