Substrate is a framework for building upgradable, modular and efficient blockchains. FRAME is a system for building Substrate runtimes. The Substrate Tooling project page groups tools that have a positive impact on developer success in the Polkadot Ecosystem.

Unified repositories:

• Substrate API Sidecar: REST service that makes it easy to interact with blockchain nodes built using Substrate's FRAME framework. Developed by Parity in Typescript.

• Substrate Telemetry: Polkadot Telemetry service. Developed by Parity in Rust and Typescript.

• Substrate Connect: NPM packages that offers an innovative way to interact with Substrate-based blockchains directly in your browser. Developed by Parity in Typescript.