A polyglot developer reference tool to compare programming language concepts side-by-side! Great for learning new languages or using for reference.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

provides metadata for chains

Sentry's documentation (and tools to build it)

A BNB Smart Chain client based on the go-ethereum fork

🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

React Hooks for Ethereum

Go implementation of the Ethereum protocol

Builds a slightly more convenient model of java source code to power a discord javadoc bot.

Live streaming platform

MESC is a specification for how crypto tools configure their RPC endpoints

The content behind MDN Web Docs

the package manager for JavaScript

The source of truth for Polkadot.

React-specific linting rules for ESLint

The official Constellation Network developer docs

GitHub Actions Goat: Deliberately Vulnerable GitHub Actions CI/CD Environment

A curated list of known less-than-honest operators on Polkadot and Substrate networks. Includes a simple JS utility function to check any host or address against this list.

Enjoy our curated collection of examples and solutions. Use these patterns to build your own robust and scalable applications.

Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.