Basic Polkadot/Substrate UI for interacting with a Polkadot and Substrate node. This is the main user-facing application, allowing access to all features available on Substrate chains.

Solidity Compiler for Solana, Polkadot and Stellar

Polkadot's ink! to write smart contracts.

Promise and RxJS APIs around Polkadot and Substrate based chains via RPC calls. It is dynamically generated based on what the Substrate runtime provides in terms of metadata.

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.

The source of truth for Polkadot.

An Ethereum-compatible smart contract parachain on Polkadot

Polkadot-API is a meticulously crafted suite of libraries, each designed to be composable, modular, and aligned with a "light-client first" philosophy.

Solidity compiler for Polkadot, targetting PolkaVM in pallet-revive

A collection of WASM wrappers (mostly around Rust libraries) that are used as faster versions of JS-native functions on Polkadot and Substrate networks.

This is the documentation portal for all Polkadot and Substrate related tools and libraries in the polkadot-js family of repos.

Picasso Kusama and Composable Polkadot parachains