Repositories list

• polkadot-sdk

  Public
  The Parity Polkadot Blockchain SDK

  blockchainsubstratecumulus+ 1

  blockchainsubstratecumuluspolkadot

  Rust

  •1.2k1.2k forks•2.8k2.8k stars•1.7k1.7k issues•522522 pull requests•Updated May 22, 2026May 22, 2026

• revive-differential-tests

  Public
  revive differential testing framework

  Rust

  •

  Apache License 2.0

  •33 forks•44 stars•11 issue•22 pull requests•Updated May 22, 2026May 22, 2026

• smoldot

  Public
  Alternative client for Substrate-based chains.

  rustclientsubstrate+ 1

  rustclientsubstratepolkadot

  Rust

  •

  GNU General Public License v3.0

  •7979 forks•323323 stars•148148 issues•2525 pull requests•Updated May 22, 2026May 22, 2026

• web3-storage

  Public
  Creating a prototype for Web3 Storage

  Rust

  •00 forks•44 stars•1717 issues•22 pull requests•Updated May 22, 2026May 22, 2026

• polkajam-releases

  Public
  11 fork•2020 stars•11 issue•00 pull requests•Updated May 22, 2026May 22, 2026

• matrix-archiver

  Public
  github pages / GHA to fetch and archive + host public, world readable matrix rooms on GH pages

  matrixjampolkadot

  matrixjampolkadot

  HTML

  •22 forks•44 stars•22 issues•00 pull requests•Updated May 22, 2026May 22, 2026

• resolc-bin

  Public
  11 fork•11 star•00 issues•00 pull requests•Updated May 22, 2026May 22, 2026

• asset-transfer-api-registry

  Public
  Asset registry for asset-transfer-api

  TypeScript

  •

  Apache License 2.0

  •77 forks•1616 stars•55 issues•77 pull requests•Updated May 22, 2026May 22, 2026

• playground-cli

  Public
  TypeScript

  •

  Apache License 2.0

  •44 forks•11 star•1010 issues•44 pull requests•Updated May 21, 2026May 21, 2026

• polkadot-bulletin-chain

  Public
  Rust

  •

  GNU General Public License v3.0

  •1212 forks•1717 stars•4545 issues•3939 pull requests•Updated May 21, 2026May 21, 2026

• contract-dependency-manager

  Public
  Coordinates dependencies between on-chain contracts

  TypeScript

  •22 forks•33 stars•44 issues•44 pull requests•Updated May 21, 2026May 21, 2026

• e2e-cli-moddable-26251517659

  Public
  playground-cli E2E moddable test fixture (auto-cleaned)

  e2e-test-fixture

  e2e-test-fixture

  HTML

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 21, 2026May 21, 2026

• substrate-api-sidecar

  Public
  REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework.

  TypeScript

  •

  GNU General Public License v3.0

  •162162 forks•268268 stars•6868 issues•2020 pull requests•Updated May 21, 2026May 21, 2026

• test-rebecca-perms

  Public
  testing, will delete in 30 sec

  00 forks•00 stars•00 issues•00 pull requests•Updated May 21, 2026May 21, 2026

• jsonrpsee

  Public
  Rust JSON-RPC library on top of async/await

  Rust

  •

  MIT License

  •217217 forks•838838 stars•6363 issues•1919 pull requests•Updated May 21, 2026May 21, 2026

• litep2p

  Public
  Peer-to-peer networking library

  rustnetworkingpeer-to-peer+ 1

  rustnetworkingpeer-to-peerlibp2p

  Rust

  •

  MIT License

  •3333 forks•153153 stars•112112 issues•3939 pull requests•Updated May 21, 2026May 21, 2026

• cargo-pvm-contract

  Public
  Build commands for Rust PVM contracts

  Rust

  •

  Apache License 2.0

  •22 forks•66 stars•1414 issues•99 pull requests•Updated May 21, 2026May 21, 2026

• deployment-tracker

  Public
  PR Deployment Tracker for polkadot-sdk releases

  Rust

  •00 forks•11 star•11 issue•33 pull requests•Updated May 21, 2026May 21, 2026

• contract-developer-tools

  Public
  TypeScript

  •11 fork•00 stars•00 issues•22 pull requests•Updated May 21, 2026May 21, 2026

• release-registry

  Public
  Tracking past and future releases of the Polkadot SDK.

  Python

  •

  GNU General Public License v3.0

  •00 forks•2121 stars•22 issues•11 pull request•Updated May 21, 2026May 21, 2026

• ring-proof

  Public
  ring-vrf ring proof v2.5

  Rust

  •

  Apache License 2.0

  •1717 forks•2121 stars•22 issues•44 pull requests•Updated May 21, 2026May 21, 2026

• revive

  Public
  Solidity compiler for Polkadot, targetting PolkaVM in pallet-revive

  compilerblockchainsolidity+ 1

  compilerblockchainsoliditypolkadot-sdk

  Rust

  •

  Apache License 2.0

  •2525 forks•102102 stars•2020 issues•1010 pull requests•Updated May 21, 2026May 21, 2026

• bls

  Public
  Aggregatable BLS sigantures

  Rust

  •1818 forks•7575 stars•2323 issues•33 pull requests•Updated May 21, 2026May 21, 2026

• foundry-compilers-polkadot

  Public
  Utilities for working with native solc and compiling projects.

  Rust

  •

  Apache License 2.0

  •7575 forks•11 star•00 issues•88 pull requests•Updated May 21, 2026May 21, 2026

• foundry-polkadot

  Public
  Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.

  Rust

  •

  Apache License 2.0

  •2.5k2.5k forks•2424 stars•4343 issues•1414 pull requests•Updated May 21, 2026May 21, 2026

• polkadot-rest-api

  Public
  substrate-api-sidecar rebrand, and rewrite in rust

  Rust

  •

  GNU General Public License v3.0

  •00 forks•33 stars•99 issues•1515 pull requests•Updated May 21, 2026May 21, 2026

• chainspecs

  Public
  Collection of Chain Specification

  Shell

  •66 forks•1414 stars•11 issue•3434 pull requests•Updated May 21, 2026May 21, 2026

• substrate-connect

  Public
  Run Wasm Light Clients of any Substrate based chain directly in your browser.

  TypeScript

  •

  GNU General Public License v3.0

  •8080 forks•260260 stars•2525 issues•1515 pull requests•Updated May 21, 2026May 21, 2026

• metadata-portal

  Public
  Metadata portal for Parity Signer

  TypeScript

  •

  GNU General Public License v3.0

  •6666 forks•3535 stars•2323 issues•1414 pull requests•Updated May 21, 2026May 21, 2026

• feedback-board

  Public
  TypeScript

  •00 forks•00 stars•00 issues•00 pull requests•Updated May 20, 2026May 20, 2026