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.

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.

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.

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

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

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

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

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

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.

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