https://polkachu.com/substrate_snapshots
Substrate Chain Snapshots | Polkachu
Polkachu provides Substrate chain snapshots for node operators to quickly sync up a node
snapshots polkachusubstrate
https://polkachu.com/archive_snapshots
Archive Node Snapshots | Polkachu
Polkachu provides archive node snapshots for selected chains
snapshots polkachuarchivenode