Awesome Substrate

An awesome list is a list of awesome things curated by the community.

Substrate is a framework for building upgradable, modular and efficient blockchains. Substrate is an open-source library of Rust code that is maintained by Parity Technologies.

Contents

• Official Resources
• Recordings
• Workshops & Demos
• Community Resources
  • Community Resources - Guides
• Frameworks
• Templates
• Pallets
• Client Libraries
• Ecosystem Tools
• Alternative Implementations
• SCALE Codec
  • SCALE Codec - Implementations

Official Resources

• Developer Hub - Developer portal.
  • Tutorials - Guided exercises to get you started.
  • Knowledge Base - In-depth documentation related to Substrate development.
  • Recipes - Working code examples that solve common problems.
  • Reference Docs - Rustdoc API documentation.
• Seminar - Collaborative learning on Crowdcast.
• Technical Chat - Ask questions & chat with other Substrate developers.
• Builders Program - White-glove support for visionary teams.
• Web3 Foundation Grants - Funding for ecosystem development.
• Users - Teams building with Substrate.
• GitHub - Substrate source code.
• Developer Hub GitHub - Developer Hub repositories.
• Polkadot GitHub - Substrate monorepo for multiple Parity-sponsored chains.
• subport - Support repository.
• Parity Blog - Read about updates in the Substrate ecosystem.
• Parity Events - Upcoming events.
• Twitter - Follow us to stay up-to-date.
• Polkassembly - The place to discuss and vote on Kusama and Polkadot governance.

Recordings

• Substrate: A Rustic Vision for Polkadot by Gavin Wood at Web3 Summit 2018
• Introduction to Substrate
• Parachains, Cumulus & the Rococo Test Network
• Enterprise Demo
• Bridges & Cross-Chain Interoperability
• Archive Indexing Engine
• Ethereum Apps on Substrate Chains
• Polkadot Network Technical Explainers
• Sub0 Developer Conference
• Weights & Benchmarking
• Runtime Upgrades & Storage Migrations
• FRAME’s Origin Primitive
• Governance with FRAME
• Polkadot Decoded Community Conference

Workshops & Demos

• UTXO Workshop - Use Substrate to implement a Bitcoin-like chain.
• Cumulus Wokshop - Build a parachain with Cumulus.
• Enterprise Sample - A fully-featured sample that uses a supply chain use case to demonstrate Substrate’s rich set of capabilities.

Community Resources

• DotLeap - Community content and newsletter.
• Stack Overflow - Questions tagged substrate.
• Reddit - Official subreddit.
• Polkadot Stack - Another awesome list maintained by our friends at Web3 Foundation.
• PolkaView - Historical data on minimum staked to be rewarded.
• Subsocial - Decentralized social network for the Polkadot / Kusama ecosystem. Built on Substrate + IPFS.
• DOTspot - An open-place for Substrate ecosystem projects to share their latest news.
• DotJobs - A job board for the Polkadot ecosystem from the team at Stateless.Money.
• Substrate Migrations - A list of past runtime storage migrations with notes and examples.
• OnFinality - Free and public API services to shared Substrate based archival nodes.

Community Resources - Guides

• Build Substrate in a few minutes at a low cost - Guide to using cargo remote and Google Cloud to reduce Substrate build times; written by Substrate community member Matej Nemček.

Frameworks

• FRAME - An idiomatic system for building Substrate runtimes.
• ink! - Smart contract language for Substrate chains.
• Cumulus - Simplified Polkadot-compatible parachains.
• Bridges - A collection of tools for cross-chain communication.
• Frontier - End-to-end Ethereum emulation for Substrate chains.
• Polkadot-JS - Rich framework for front-end development.
• SubstraTEE - Trusted off-chain execution framework that uses Intel SGX trusted execution environments.
• FRAME Benchmarking - The official benchmarking framework for the FRAME system for runtime development.

Templates

• Node - A fresh FRAME-based node, ready for hacking.
• Pallet - Easily create pluggable blockchain capabilities.
• Parachain - A new Cumulus-based Substrate node, ready for hacking (see ‘Cumulus’ under Frameworks for more info).
• Front-End - Use the Polkadot-JS API and React to build front-ends for Substrate-based chains.
• substrate-stencil - A template for a Substrate node that includes staking and governance capabilities.

Pallets

• 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.
• Commodities - Defines and implements a non-fungible token interface.
• Chainlink Feed Pallet - Chainlink feed pallet and example node showing how to integrate to Substrate chains.

Client Libraries

• subxt - Official Rust client.
• Substrate API Client - Rust client maintained by Supercomputing Systems AG.
• Polkadot-JS API - Semi-official JavaScript library for Substrate-based chains.
• Python Substrate Interface - Maintained by Polkascan Foundation.
• Go Substrate RPC Client - Maintained by Centrifuge.
• Substrate C++ API - Maintained by Usetech.
• Substrate .Net API - Maintained by Usetech.
• Substrate .NET Standard API in nuget, and Unity 3D integration example - Maintained by DOTMog.
• Kotlin Substrate Client - Maintained by Nodle.io

Ecosystem Tools

• Polkadot-JS Apps UI - Semi-official block explorer & front-end for Substrate-based chains.
• Polkadot-JS Extension - Browser extension for interacting with Substrate-based chains.
• Polkadot Tool Index - Here is a very useful list of tools available for your development w/ Polkadot and any substrate chain including Block Explorers, Wallets, Network Monitoring & Reporting, Clients, Benchmarking, Fuzzing, Forking, SCALE Codec, CLI Tools and much more.
• Sidecar - REST service that runs alongside Substrate nodes.
• Archive - Indexing engine for Substrate chains.
• TxWrapper - Helpful library for offline transaction creation.
• Subkey - Command line utility for working with cryptographic keys.
• Polkascan - Multi-chain block explorer maintained by Polkascan Foundation.
• VSCode Substrate - Official plugin for Visual Studio Code.
• Parity Signer - Upcycle an unused mobile phone into an air-gapped hardware wallet.
• Fork Off Substrate - Script to help bootstrap a new chain with the state of a running chain.
• Substrate debug-kit - A collection of tools and libraries for debugging Substrate-based chains, including offline-election, which is a tool that is used to predict nominated proof-of-stake elections.
• sup - Command line tool for generating or upgrading a Substrate node.
• Substrate Dev Hub Utils - Unofficial utilities for working with official Substrate Developer Hub resources.
• Subscan - Multi-network explorer for 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.
• Halva - A toolchain for improving the experience of developing on Substrate.
• offchain::ipfs - Substrate infused with IPFS.
• Gantree Library - A suite of technologies for managing Substrate-powered parachain networks via rapid spin-up & tear-down.
• Redspot - A Truffle-like toolkit for smart contracts for the FRAME Contracts pallet.
• Proxy Hot Wallet Demo - A demonstration of a secure, convenient, and flexible hot wallet architecture built on Substrate primitives.
• Substrate Faucet Bot - Python-based faucet for development purposes.
• Hydra - A GraphQL framework for Substrate nodes with a hosted playground. Check out the great docs.
• Substrate Graph - GraphQL indexer for Substrate-based chains.
• SubQuery - A GraphQL indexer and query service that allows users to easily create indexed data sources and host them online for free.
• Megaclite - Zero-knowledge tools for the Polkadot ecosystem.
• Europa - A sandbox for the Substrate runtime execution environment.
• Jupiter - Testnet for smart contracts written for the FRAME Contracts pallet.
• 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.
• polkadot-launch - Simple CLI tool to launch a local Polkadot test network.
• substrate-js-utils - A set of useful JavaScript utilities for Substrate that uses the Polkadot{JS} API. Also deployed as a website.
• substrate-graph-benchmarks - Graph the benchmark output of FRAME pallets.
• 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.
• polkadot-js-bundle - A standalone JS bundle that contains Polkadot{JS} libraries.
• substrate-society - A basic front-end for the FRAME Society pallet.
• Aleph.im - Scalable, decentralized database, file storage, and computation services for Substrate chains and more.
• subsee - CLI to inspect metadata of a substrate node as JSON.
• polkadot-runtime-prom-exporter - A Prometheus exporter for Polkadot runtime metrics (modifable for substrate use).
• 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.
• srtool - Docker image to deterministically build a runtime.
• srtool-cli - CLI frontend for the srtool Docker image.
• srtool-actions - Github actions to easily use the srtool Docker image to build your onw runtime.

Substrate Mobile Engineering Tools / Libraries

• React-Native-Substrate-Sign - Rust library for React Native.
• Polkadot-Dart - Dart Substrate API.
• PolkaWallet SDK- Flutter SDK for Substrate-based App.
• Fearless Utils iOS - iOS Substrate tools.
• Fearless Utils Android - Android Substrate tools.

Alternative Implementations

• Gossamer - A Polkadot client implemented in Go; from ChainSafe.
• Kagome - A C++17 implementation of the Polkadot client; from Soramitsu.
• LimeChain AssemblyScript Runtime - An account-based Substrate proof-of-concept runtime written in AssemblyScript; from LimeChain.

SCALE Codec

• Codec Definition - Official codec documentation.

SCALE Codec - Implementations

• Parity SCALE Codec - Reference implementation written in Rust.
• AssemblyScript - Maintained by LimeChain.
• TypeScript - Maintained by Polkadot-JS.
• Go - Maintained by Itering.
• C++ - Maintained by Soramitsu.
• Haskell - Maintained by Robonomics Network.
• Java - Maintained by Emerald.
• Ruby - Maintained by Itering.
• Python - Maintained by Polkascan Foundation.