awesome-substrate

A job board for the Substrate and Polkadot ecosystem projects, maintained by

Substrate Developer Hub repositories

Projects and teams building with Substrate

Polkadot Stack

An maintained by our friends at

Vision, ecosystem, opportunities, and much more

Developer documentation

Guided exercises to get you started

Workflows outlined to achieve a specific goal

Versioned API documentation

Chinese Translation

(by community)

White-glove solutions and dedicated support team for visionary teams using Substrate

The best place for all technical questions

Funding for ecosystem development

The Treasury funds are allocated through the voting on spending proposal

Chat with other Substrate developers, also bridged to

Follow us to stay up-to-date

A decentralized news-feed style social platform for the Polkadot community to discuss, share knowledge, post ecosystem updates and interact with posts. Built on top of

Semiannual, online and in-person for all things Substrate

Bi-weekly collaborative learning sessions

Polkadot and Substrate Community blog and newsletter

Published by Parity

Biweekly stream hosted by Polkadot Developers Twitch

Seminar archive

Older still Seminar archive

Minimal FRAME-based node, derived from

Frontier

Fronter enabled EVM and Ethereum RPC compatible Substrate node, ready for hacking

Front-End

Polkadot-JS API and app to build front-ends for Substrate-based chains

Cumulus enabled Substrate node, derived from

substrate-stencil

A template for a Substrate node that includes staking and governance capabilities

polkadot-js-api-ts-template

A template project to kickstart hacking on top of

Full-stack dApp boilerplate with ink! smart contracts and a React frontend using the (listed below) hooks library maintained by

A starter-kit for building web3 social apps for the Polkadot ecosystem, powered by the

Chainlink Feed Pallet

Chainlink feed token interface

Official in Substrate

Large collection, Parity maintained

Open Runtime Module Library (ORML)

Community maintained collection of Substrate runtime modules

Sunshine Bounty

Distributed autonomous organization (DAO) for administering a bounty program

Sunshine Identity

Keybase-inspired identity management

Sunshine Faucet

Dispense resources for a development chain

RMRK Pallets

Nested, conditional & Multi-resourced NFTs

Bridges

A collection of tools for cross-chain communication

Cumulus

A set of tools for writing Substrate-based Polkadot parachains

A system for building Substrate runtimes

Frontier

End-to-end Ethereum emulation for Substrate chains

ink!

Rust smart contract language for Substrate chains

Trusted off-chain execution framework that uses trusted execution environments

Rich JavaScript API framework for front-end development

.Net API

Maintained by

.NET Substrate API

Used in , and ; Maintained by

.NET Toolchain/SDK

Toolchain for Substrate .NET. Pre-generated ; Maintained by Ajuna Network

go-substrate-gen

Generate Go (de)serialization/client code from Substrate metadata

sube

Lightweight Rust client library and CLI with support for type information

subxt

Official Rust client

C++ API

Maintained by Usetech

Go RPC Client

Maintained by

Kotlin Client

Maintained by

Polkadot-JS API

Semi-official JavaScript library for Substrate-based chains

Python Interface

Maintained by

Rust API Client

Rust client maintained by

Subscan Go Utilities

SS58 and more, developed by Subscan

Sub-Api

Friendly wrapper for Polkadot.js API maintained by KodaDot

useInkathon

Typesafe React Hooks library abstracting functionality by polkadot.js for working with Substrate-based networks and ink! smart contracts maintained by Scio Labs

Subsocial JS SDK

A JS SDK for developers to build web3 social apps on top of Subsocial

Fearless Utils Android

Android Substrate tools

Fearless Utils iOS

iOS Substrate tools

Nova Substrate SDK Android

Substrate SDK and tools for Android

Nova Substrate SDK iOS

Substrate SDK and tools for iOS

Polkadot-Dart

Dart Substrate API

PolkaWallet SDK

Flutter SDK for Substrate-based App

React-Native-Substrate-Sign

Rust library for React Native

offline-election

Tool to predict nominated proof-of-stake elections

Substrate infused with

polkadot-js-bundle

A standalone JS bundle that contains Polkadot{JS} libraries

polkadot-launch

Simple CLI tool to launch a local Polkadot test network

polkadot-runtime-prom-exporter

A exporter for Polkadot runtime metrics (modifiable for Substrate use)

polkadot-scripts

A collection of scripts Parity uses to diagnose Polkadot/Kusama

polkadot-starship

Another tool to launch a local Polkadot test network, with emphasis on the ability to run big testnets

srtool-actions

GitHub actions to easily use the Docker image to build your own runtime

srtool-cli

CLI frontend for the Docker image

srtool

Docker image to deterministically build a runtime

subsee

CLI to inspect metadata of a Substrate node as JSON

subalfred

An all-in-one Substrate development toolbox

substrate-balance-calculator

Breakdown the balances of your Substrate account

substrate-balance-graph

Create a graph of the token balance over time of a Substrate address

substrate-graph-benchmarks

Graph the benchmark output of FRAME pallets

substrate-js-utils

A set of useful JavaScript utilities for Substrate that uses the Polkadot{JS} API; Also

substrate-society

A basic front-end for the FRAME Society pallet

substrate-toml-lint

A toml parser and checker to avoid common errors in Substrate projects

subwasm

CLI to inspect a runtime WASM blob offline. It shows information, metadata and can compare runtimes. It can also help you fetch a runtime directly from a node

sup

Command line tool for generating or upgrading a Substrate node

scale-value

Analogous to but for SCALE; Library to decode arbitrary SCALE encoded bytes into a dynamic given type info from

scale-decode

Decode SCALE bytes into arbitrary custom types by implementing a visitor trait

Scalable, decentralized database, file storage, and computation services for Substrate chains and more

Archive

Indexing engine for Substrate chains

Dev Hub Utils

utilities for working with official Substrate Developer Hub resources

Europa

A sandbox for the Substrate runtime execution environment

Fork Off Substrate

Script to help bootstrap a new chain with the state of a running chain

fudge

Core lib for accessing and (arbitrarily) manipulating substrate databases, including the building and importing of local blocks

Gantree Library

A suite of technologies for managing Substrate-powered parachain networks via rapid spin-up & tear-down

Halva

A toolchain for improving the experience of developing on Substrate

Hydra

A GraphQL framework for Substrate nodes

Jupiter

Testnet for smart contracts written for the FRAME Contracts pallet and ink!

Megaclite

Zero-knowledge tools for the Polkadot ecosystem

A self-hosted webpage that shows the latest metadata and chain specs for any given network

Minimark

Implementation of RMRK NFT v1/v2 protocol maintained by KodaDot

Nova Polkadot Utils

Contains static info & metadata to support client apps in Polkadot ecosystem to map it to various netowrks

(formerly Parity Signer) - Upcycle an unused mobile phone into an air-gapped hardware wallet

Polkadot PANIC

Monitoring and alerting solution for Polkadot nodes by Simply VC, compatible with many Substrate chains

List of tools available for your development with Polkadot and any Substrate chain including Block Explorers, Wallets, Network Monitoring & Reporting, Clients, Benchmarking, Fuzzing, Forking, SCALE Codec, CLI Tools and much more

Semi-official block explorer & front-end for Substrate-based chains

Polkadot-JS Extension

Browser extension for interacting with Substrate-based chains

Multi-chain block explorer maintained by Polkascan Foundation

Proxy Hot Wallet Demo

A demonstration of a secure, convenient, and flexible hot wallet architecture built on Substrate primitives

Redspot

A -like toolkit for smart contracts for the FRAME Contracts pallet and ink!

Sidecar

REST service that runs alongside Substrate nodes

Display key's addressees with all SS58 prefixes

Staking Rewards Collector

A script to parse and output staking rewards for a given Kusama or Polkadot address and cross-reference them with daily price data

Command line utility for working with cryptographic keys

A GraphQL indexer and query service that allows users to easily create indexed data sources and host them online for free

Nova SubQuery API

A SubQuery API implementation for operation history and staking analytics

Multi-network explorer for Substrate-based chains

An indexing framework (SDK + infrastructure) to quickly and easily turn Substrate and EVM on-chain data into APIs and host them

Substate

100% no-std/wasm compatible Substrate storage key generator library for Rust

Substrate debug-kit

A collection of tools and libraries for debugging Substrate-based chains

Substrate Docker Builders

A set of Dockerfiles and GitHub Actions to auto-build and push a Docker image for Substrate-based chains

Substrate Faucet Bot

Python-based faucet for development purposes

Substrate Graph

GraphQL indexer for Substrate-based chains

Typechain-Polkadot

Hepls users to generate typescript types from contract ABIs (ink!) and generate runtime code to interact with contracts and deploy them

TxWrapper

Helpful library for offline transaction creation

Plugin for Visual Studio Code

Multi-chain block explorer with API and DeFi support across 40+ parachains

SubID

An advanced cross-chain portfolio management tool for the Polkadot ecosystem, allowing any user to see their balances across chains; view their crowdloan history; view their NFTs across Polkadot ecosystem chains; claim their vested tokens and perform cross-chain transfers

Subsocial JS SDK Playground allows you to fetch spaces, send transactions on blockchain and test the SDK code snippets on the go without the need to download or setup anything locally

Uptest Runtime upgrade tool

Uptest command line client and libuptest Rust library are two tools used for debugging storage changes and runtime upgrades

Free and paid services to shared Substrate based nodes

Public Tor .onion supported nodes for Polkadot, Kusama and Edgeware

Parity devops team's configuration and guidance on deploying, monitoring, and maintaining node infrastructure

Gossamer

A Polkadot client implemented in Go; from

A C++17 implementation of the Polkadot client; from

LimeChain AssemblyScript Runtime

An account-based Substrate proof-of-concept runtime written in AssemblyScript; from

AssemblyScript

Maintained by LimeChain

C

Maintained by Matthew Darnell

C++

Maintained by Soramitsu

Official codec documentation

Go

Maintained by

Haskell

Maintained by

Java

Maintained by

Parity SCALE Codec

Reference implementation written in Rust

Python

Maintained by Polkascan Foundation

Ruby

Maintained by Itering

Scales

Serializing SCALE using type information from a type registry

polkadot-js/api

Maintained by Polkadot-JS

scale-ts

Maintained by Josep M Sobrepere

soramitsu/scale-codec-js-library

Maintained by Soramitsu