Basic Polkadot/Substrate UI for interacting with a Polkadot and Substrate node. This is the main user-facing application, allowing access to all features available on Substrate chains.

Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata.

Simple browser extension for managing Polkadot and Substrate network accounts in a browser. Allows the signing of extrinsics using these accounts. Also provides a simple interface for compliant extensions for dapps.

An Ethereum-compatible smart contract parachain on Polkadot

Various cli tools for Polkadot and Substrate chains, including basic node monitoring, making API queries via a cli app and other command-line tools

Utilities and base libraries for use across polkadot-js for Polkadot and Substrate. Includes base libraries, crypto helpers and cross-environment helpers.

Full-Stack DApp Boilerplate for Substrate and ink! Smart Contracts

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.

A cli tool to easily spawn ephemeral Polkadot/Substrate networks and perform tests against them.

A collection of WASM wrappers (mostly around Rust libraries) that are used as faster versions of JS-native functions on Polkadot and Substrate networks.

Re-usable browser libraries and React UI components used inside the polkadot.{js} family of Polkadot and Substrate applications. Full documentation & examples available

Polkadot-API is a meticulously crafted suite of libraries, each designed to be composable, modular, and aligned with a "light-client first" philosophy.

[WIP] RMRK Substrate pallets

Tool to generate docker-compose.yml to launch a full relaychain - parachain testnet.

Start hacking your substrate runtime in a web based VSCode like IDE

Minimal, WASM-light-client-bundled Substrate wallet for balance transfers

SQD documentation

Web application for deploying wasm smart contracts on Substrate chains that include the FRAME contracts pallet

composable shapes for cohesive code

Typesafe React hooks and utility functions that simplify the process of working with Substrate-based networks and ink! smart contracts.