flowchart
    parity[paritytech.github.io] --> devhub[polkadot_sdk_docs]

    devhub --> polkadot_sdk
    devhub --> reference_docs
    devhub --> tutorial

    polkadot_sdk --> substrate
    polkadot_sdk --> frame
    polkadot_sdk --> cumulus
    polkadot_sdk --> polkadot
    polkadot_sdk --> xcm