Substrate Developer Hub is a hub of documentation, samples, and tutorials for Parity Substrate. Substrate has both high-level documentation, which you can find here, and reference documentation in the form of Rust docs. Substrate has a rapidly growing, friendly, and technical community. Ask questions and work with others who are building in the space. Substrate has a range of tutorials that will get you building in a short amount of time. You can also find code snippets for common runtime development patterns on our Substrate Recipes page.