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    22 repositories

    • 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.
      uiblockchainwalletsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •1.6k•1.8k•143•10•Updated Dec 10, 2025Dec 10, 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.
      blockchainphishingsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •166•205•5•1•Updated Dec 10, 2025Dec 10, 2025

    • build-bundle

      Public
      Browser bundles that can be included as-is, without a build step
      browsersubstratepolkadotpolkadot-js
      JavaScript
      •
      Apache License 2.0
      •6•10•0•0•Updated Dec 10, 2025Dec 10, 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
      reactreact-nativevueblockchainsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •72•125•2•1•Updated Dec 10, 2025Dec 10, 2025

    • build-deno.land

      Public
      Package publishing for deno.land/x/polkadot
      substratepolkadotdenopolkadot-js
      TypeScript
      •
      Apache License 2.0
      •6•30•0•0•Updated Dec 9, 2025Dec 9, 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.
      apiblockchainweb3jsonrpcsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •378•1.1k•30•7•Updated Dec 9, 2025Dec 9, 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.
      blockchainwasmsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •41•132•6•0•Updated Dec 9, 2025Dec 9, 2025

    • docs

      Public
      This is the documentation portal for all Polkadot and Substrate related tools and libraries in the polkadot-js family of repos.
      docsblockchainsubstratepolkadotpolkadot-js
      JavaScript
      •
      Creative Commons Zero v1.0 Universal
      •211•167•11•5•Updated Dec 9, 2025Dec 9, 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.
      cryptoutilitiesblockchainsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •153•259•4•1•Updated Dec 9, 2025Dec 9, 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.
      extensionblockchainsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •453•1k•38•8•Updated Nov 26, 2025Nov 26, 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
      cliblockchainsubstratepolkadotpolkadot-js
      TypeScript
      •
      Apache License 2.0
      •70•282•3•1•Updated Nov 26, 2025Nov 26, 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.
      configblockchainsubstratepolkadotpolkadot-js
      JavaScript
      •
      Apache License 2.0
      •19•43•1•0•Updated Jun 13, 2025Jun 13, 2025

    • polkadot-js.github.io

      Public
      Simple landing and project overview page for the polkadot-js family of repos.
      blockchainwwwsubstratepolkadotpolkadot-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.
      ipfsblockchainsubstratepolkadotpolkadot-js
      HTML
      •
      Apache License 2.0
      •19•106•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.
      typescriptblockchainsubstratepolkadotpolkadot-js
      TypeScript
      •
      ISC License
      •10•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
      •1•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.
      runtimep2pwasmrpc
      TypeScript
      •
      Apache License 2.0
      •11•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
      •7•1•0•0•Updated Mar 16, 2019Mar 16, 2019

    • polkadot-identicon

      Public archive
      Deprecated. Moved to partitytech/oo7.
      JavaScript
      •
      Apache License 2.0
      •2•8•0•0•Updated Oct 12, 2018Oct 12, 2018

    • oo7-polkadot

      Public
      Polkadot Bonds library
      JavaScript
      •
      Apache License 2.0
      •1•4•0•0•Updated Oct 1, 2018Oct 1, 2018

    • ss58

      Public
      The SS58 address encoder/decoder
      JavaScript
      •
      Apache License 2.0
      •0•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
      •3.9k•2•0•0•Updated Nov 27, 2017Nov 27, 2017