freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Virtual whiteboard for sketching hand-drawn like diagrams

Your backend, minus the hassle.

ORM for TypeScript and JavaScript. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, SAP Hana, WebSQL databases. Works in NodeJS, Browser, Ionic, Cordova and Electron platforms.

IDE-style autocomplete for your existing terminal & shell

Reactive primitives for Ethereum apps

🔌 TypeScript bindings for Ethereum smart contracts

Monorepo for the Ethereum VM TypeScript Implementation

A responsive table library with built-in sorting, pagination, selection, expandable rows, and customizable styling.

Javascript bindings for the Solidity compiler

🦄 🦄 🦄 Peripheral smart contracts for interacting with Uniswap v3

Solidity contract visualisation tool

Lesson content for cryptozombies.io

Source for evm.codes an Ethereum Virtual Machine Opcodes Interactive Reference

React Native client application for COVID Shield on iOS and Android

🕵️ allows you to see internal calls, events and storage operations in the console

Hyperledger Cacti is a new approach to the blockchain interoperability problem

Zuzalu Passport

IBM Blockchain Platform extension for Visual Studio Code (this project is no longer active)

Snapshot voting strategies

☄️ Zero-config Hardhat plugin to generate documentation for all your Solidity contracts.