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