Repositories list

• apps

  Public
  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.

  uiblockchainwallet+ 3substratepolkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •1.6k•1.8k•164•18•Updated Aug 8, 2025Aug 8, 2025

• phishing

  Public
  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.

  blockchainphishingsubstrate+ 2polkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •160•204•3•1•Updated Aug 7, 2025Aug 7, 2025

• extension

  Public
  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.

  extensionblockchainsubstrate+ 2polkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •443•997•34•9•Updated Aug 6, 2025Aug 6, 2025

• common

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

  cryptoutilitiesblockchain+ 3substratepolkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •152•257•5•3•Updated Aug 4, 2025Aug 4, 2025

• build-bundle

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

  browsersubstratepolkadot+ 1polkadot-js

  JavaScript

  •

  Apache License 2.0

  •7•6•0•0•Updated Jul 30, 2025Jul 30, 2025

• tools

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

  cliblockchainsubstrate+ 2polkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •71•282•3•1•Updated Jul 30, 2025Jul 30, 2025

• ui

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

  react-nativeblockchainsubstrate+ 4polkadotpolkadot-jsreactvue

  TypeScript

  •

  Apache License 2.0

  •74•122•1•1•Updated Jul 30, 2025Jul 30, 2025

• build-deno.land

  Public
  Package publishing for deno.land/x/polkadot

  substratepolkadotdeno+ 1polkadot-js

  TypeScript

  •

  Apache License 2.0

  •7•30•0•0•Updated Jul 29, 2025Jul 29, 2025

• api

  Public
  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.

  apiblockchainweb3+ 4jsonrpcsubstratepolkadotpolkadot-js

  TypeScript

  •

  Apache License 2.0

  •372•1.1k•40•7•Updated Jul 29, 2025Jul 29, 2025

• wasm

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

  blockchainsubstratepolkadot+ 2polkadot-jswasm

  TypeScript

  •

  Apache License 2.0

  •39•131•5•2•Updated Jul 25, 2025Jul 25, 2025

• dev

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

  configblockchainsubstrate+ 2polkadotpolkadot-js

  JavaScript

  •

  Apache License 2.0

  •20•43•1•0•Updated Jun 13, 2025Jun 13, 2025

• docs

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

  docsblockchainsubstrate+ 2polkadotpolkadot-js

  JavaScript

  •

  Creative Commons Zero v1.0 Universal

  •205•167•19•6•Updated May 15, 2025May 15, 2025

• polkadot-js.github.io

  Public
  Simple landing and project overview page for the polkadot-js family of repos.

  blockchainwwwsubstrate+ 2polkadotpolkadot-js

  HTML

  •

  Apache License 2.0

  •297•38•5•5•Updated Mar 31, 2025Mar 31, 2025

• dotapps.io

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

  blockchainsubstratepolkadot+ 2polkadot-jsipfs

  HTML

  •

  Apache License 2.0

  •18•102•2•0•Updated Aug 21, 2024Aug 21, 2024

• ts

  Public archive
  Misc. TypeScript definitions that are not yet available on DefinitelyTyped but required by other projects in this repo. Should be merged with upstream projects or the DT project.

  blockchainsubstratepolkadot+ 2polkadot-jstypescript

  TypeScript

  •

  ISC License

  •13•14•0•0•Updated Dec 22, 2021Dec 22, 2021

• polyfill

  Public archive
  Deprecated. Moved to the common repo. A collection of cross-environment polyfills

  TypeScript

  •

  Apache License 2.0

  •4•3•0•0•Updated Oct 28, 2020Oct 28, 2020

• client

  Public
  An alternative Polkadot Runtime Environment implementation acting as a full-node (excluding block production for validators) for syncing with Substrate-based chains.

  runtimep2pwasm+ 1rpc

  TypeScript

  •

  Apache License 2.0

  •12•84•18•1•Updated May 23, 2020May 23, 2020

• schnorrkel-js

  Public archive
  Incorporated in https://github.com/polkadot-js/wasm

  JavaScript

  •

  Apache License 2.0

  •12•1•0•0•Updated Mar 16, 2019Mar 16, 2019

• polkadot-identicon

  Public archive
  Deprecated. Moved to partitytech/oo7.

  JavaScript

  •

  Apache License 2.0

  •5•8•0•0•Updated Oct 12, 2018Oct 12, 2018

• oo7-polkadot

  Public
  Polkadot Bonds library

  JavaScript

  •

  Apache License 2.0

  •4•4•0•0•Updated Oct 1, 2018Oct 1, 2018

• ss58

  Public
  The SS58 address encoder/decoder

  JavaScript

  •

  Apache License 2.0

  •3•8•1•0•Updated Sep 1, 2018Sep 1, 2018

• dns.js.org

  Public archive
  Providing nice and free domains for GitHub Pages since 2015

  JavaScript

  •3.8k•2•0•0•Updated Nov 27, 2017Nov 27, 2017