Awesome Substrate

An awesome list is a list of awesome things curated by the Substrate 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. Source code available on GitHub.

Contents

• Resources
• Support
• Social
• Events
• Blogs
• Videos
• Templates
• FRAME Pallets
• Framework Extensions
• Client Libraries
• Mobile
• Tools
• Products and Services
• Alternative Implementations
• SCALE Codec

Resources

• Official Homepage - Vision, ecosystem, opportunities, and much more.

  • Docs - Developer documentation.
  • Tutorials - Guided exercises to get you started.
  • How-to guides - Workflows outlined to achieve a specific goal.
  • Reference Docs - Versioned API documentation.

• Developer Hub GitHub - Developer Hub repositories.

• Ecosystem Projects - Projects and teams building with Substrate.

• Technical Papers

  • Polkadot Lightpaper
  • Polkadot: Vision for a heterogeneous multi-chain framework
  • Overview of Polkadot and its Design Considerations
    • Chinese Translation (by community)

• DotJobs - A job board for the Substrate and Polkadot ecosystem projects, maintained by Stateless.Money.

• Polkadot Stack - An awesome list maintained by our friends at Web3 Foundation.

Support

• Stack Exchange - is best for all technical questions.
• Builders Program - White-glove solutions and dedicated support team for visionary teams using Substrate.
• Web3 Foundation Grants - Funding for ecosystem development.

Social

• Substrate Devs Chat (Telegram) - Chat with other Substrate developers, also bridged to matrix.
• Twitter - Follow us to stay up-to-date.

Events

• Sub0 Developer Conference - Semiannual, online and in-person for all things Substrate.
• Substrate Seminar - Bi-weekly collaborative learning sessions.

Blogs

• Official - Published by Parity.
• DotLeap - Polkadot and Substrate Community blog and newsletter.

Videos

• Parity YouTube
  • Substrate Seminar (YouTube Archive)
  • Sub0 Conference Oct. 2020
  • Sub0 Conference Dec. 2019
  • Sub0 Conference Apr. 2019
• New Seminar Crowdcast - Upcoming events and latest recordings.
• Old Seminar Crowdcast - Archive only.
• Substrate: A Rustic Vision for Polkadot by Gavin Wood at Web3 Summit 2018
• Polkadot Network Technical Explainers

Templates

• Base - Minimal FRAME-based node, derived from upstream.
• Parachain - Cumulus enabled Substrate node, derived from upstream.
• Frontier - Fronter enabled EVM and Ethereum RPC compatible Substrate node, ready for hacking.
• Front-End - Polkadot-JS API and React app to build front-ends for Substrate-based chains.
• substrate-stencil - A template for a Substrate node that includes staking and governance capabilities.

FRAME Pallets

• Included in Substrate - Officially supported.
• 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.

Framework Extensions

• FRAME - A system for building Substrate runtimes.
• ink! - Rust smart contract language for Substrate chains.
• Cumulus - A set of tools for writing Substrate-based Polkadot parachains.
• Bridges - A collection of tools for cross-chain communication.
• Frontier - End-to-end Ethereum emulation for Substrate chains.
• Polkadot-JS - Rich JavaScript API framework for front-end development.
• IntegriTEE - Trusted off-chain execution framework that uses Intel SGX trusted execution environments.

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 - Used in nuget, and Unity 3D integration example - Maintained by DOTMog.
• Kotlin Substrate Client - Maintained by Nodle.io
• sube - Lightweight Rust client library and CLI with support for type information.
• Subscan Go Utilities - SS58 and more, developed by Subscan.
• go-substrate-gen - Generate go (de)serialization/client code from substrate metadata.

Mobile

• 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.

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 - 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.
• Sidecar - REST service that runs alongside Substrate nodes.
• Archive - Indexing engine for Substrate chains.
• TxWrapper - Helpful library for offline transaction creation.
• Substate - 100% no-std/wasm compatible Substrate storage key generator library for Rust.
• Subkey - Command line utility for working with cryptographic keys.
• Polkascan - Multi-chain block explorer maintained by Polkascan Foundation.
• VSCode Substrate - 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.
• 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-scripts - A collection of scripts Parity uses to diagnose Polkadot/Kusama.
• polkadot-launch - Simple CLI tool to launch a local Polkadot test network.
• polkadot-starship - Another tool to launch a local Polkadot test network, with emphasis on the ability to run big testnets.
• 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 (modifiable 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 own runtime.
• SS58 Transform - Display key's addressees with all SS58 prefixes.

Products and Services

• OnFinality - Free and paid services to shared Substrate based nodes.

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.
• Parity SCALE Codec - Reference implementation written in Rust.
• AssemblyScript - Maintained by LimeChain.
• TypeScript - Maintained by Polkadot-JS.
• TypeScript - Maintained by Josep M Sobrepere.
• Go - Maintained by Itering.
• C - Maintained by Matthew Darnell.
• C++ - Maintained by Soramitsu.
• Haskell - Maintained by Robonomics Network.
• Java - Maintained by Emerald.
• Ruby - Maintained by Itering.
• Python - Maintained by Polkascan Foundation.
• Scales - Serializing SCALE using type information from a type registry.