Erigon

staking-deposit-cli generates validator keys and deposit data for Ethereum staking, and is now maintained as the EthStaker fork that the original owners point to. Validators run it once when setting up new keys.

Reth is a modular Ethereum execution client written in Rust by Paradigm. Rust builders run it as a node or extend its components to build custom infrastructure.

Lighthouse is an Ethereum consensus client written in Rust by Sigma Prime and one of the most used clients on the network. Validator and node operators run it to follow and attest to the beacon chain.