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.

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.

Browser bundles that can be included as-is, without a build step

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.

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

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

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

Package publishing for deno.land/x/polkadot

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