#awesome-card ## What is Substrate? - [About Substrate](https://substrate.io/) - [Substrate Ecosystem Projects](https://substrate.io/ecosystem/projects/) ## Awesome materials for Users or Developers - [Developer: subalfred - An All-In-One Substrate Development Toolbox](https://github.com/hack-ink/subalfred) - [User: Polkadot-JS Apps - Front-end for Substrate-based chains](https://polkadot.js.org/apps/)