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- Besu: https://github.com/hyperledger/besu/blob/master/MAINTAINERS.md
- Fabric: https://hyperledger-fabric.readthedocs.io/en/latest/CONTRIBUTING.html#maintainers
- Sawtooth: https://github.com/hyperledger/sawtooth-rfcs/blob/master/text/0006-sawtooth-governance.md#contributor-permission-levels
- Grid (same as Sawtooth): https://github.com/hyperledger/grid-rfcs/blob/master/text/0008-grid-governance.md#contributor-permission-levels
- Transact (same as Sawtooth): https://github.com/hyperledger/transact-rfcs/blob/master/text/0000-transact-governance.md#contributor-permission-levels
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