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.

Enkrypt: Ethereum, Polkadot and Web3 Wallet

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.

This is the documentation portal for all Polkadot and Substrate related tools and libraries in the polkadot-js family of repos.

Extract Substrate and Polkadot compatible ed25519 keys from Ledger mnemonic phrases

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

Central Library of Polkadot ecosystem

IPNS with dnslink for the apps UI to interact with Polkadot and Substrate chains.

Metamask plugin for interacting with Polkadot dapps and other Substrate based chains.

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

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

Development configuration, scripts and and CI setup for polkadot-js projects. It acts as templates for other projects to reduce boilerplate, making everything consistent.

Web3 Guardian - a blockchain monitoring and alerting tool

Substrate ETL represents Polkadot + Kusama dataset in Google BigQuery. All finalized data is published in a public dataset in BigQuery daily and Dune on an hourly basis.