Repository Index

SubQuery is an Open, Flexible, Fast and Universal data indexing framework for web3. Our mission is to help developers create the decentralised products of the future.

Polkadot's ink! to write smart contracts.

• smart-contracts
• webassembly
• wasm
• substrate

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.

• polkadot
• substrate
• polkadot-js
• extension

Ethereum and EVM compatibility layer for Polkadot and Substrate.

Interact with Substrate based nodes in Rust or WebAssembly

Substrate Open Runtime Module Library

• rust
• substrate

Library for connecting to substrate API over WebSockets

• substrate

Polkadot Substrate Explorer Subscan

• substrate
• blockchain
• blockchain-explorer
• explorer

Blockchain Indexing Engine

• polkadot
• substrate
• postgres
• indexing

This script allows bootstrapping a new substrate chain with the current state of a live chain

A sandbox to run and debug smart contracts for FRAME Contracts pallet and also a sandbox framework for Substrate runtime.

• substrate
• europa
• smart-contracts
• wasm

A template for kick starting a Substrate based PoS chain.

[WIP] RMRK Substrate pallets

• substrate
• blockchain
• rust
• polkadot

Subwasm is a cli utility to look inside a Substrate WASM Runtime. It can inspect and compare the metadata of Substrate based runtimes such as Polkadot or Kusama.

• substrate
• wasm
• polkadot
• runtime

Redspot is an Substrate pallet-contracts (ink!) development environment. Compile your contracts and run them on a different networks. Redspot's core forks from Hardhat but changed a lot to suit substrate.

Golang polkadot substrate scale codec

Python SCALE-Codec

• blockchain
• substrate
• polkadot
• polkascan

Wasm smart contract networks powered by Substrate FRAME Contracts pallet in Polkadot ecosystem.

• substrate
• smart-contracts
• ink
• pallet-contracts

A Substrate indexing framework

• substrate

Metadata & configs for client apps in Polkadot & Kusama ecosystem

• blockchain
• dapps
• polkadot
• staking

Halva is a toolchain for improving the experience of developing Decentralized Applications based on Substrate.

a compact graph indexer stack for parity substrate, polkadot, kusama

• substrate
• polkadot
• graphql
• postgresql

A set of useful JavaScript utilities for Substrate using Polkadot.js API