There are 2 repositories under openethereum topic.
Indexer for Ethereum to get transaction list by ETH address
Erigon is becoming a more common Ethereum client, and this repo describes the eth_getBlockReceipts method, which is available by querying a node running Erigon as a client.
OpenEthereum Lambda is a repository to ease the deployment of updates into the aws lambda created by terraform-openethereum
Terraform OpenEthereum is a repository to deploy a openethereum containerized infrastructure on aws
block reorg testing client with libfaketime and instant block seal