SubQuery

ethereum-etl is a Python tool that exports Ethereum data into files and data warehouses. Data builders run it to move blocks, transactions, and logs into their own analytics storage.

Ponder 是一個用於加密貨幣應用程式的索引框架，當您向產品後端或前端提供最新的鏈上資料時，它強調快速重新整理和開發人員的人體工學體驗。

Subsquid, also called SQD, is a modular batch indexing SDK backed by distributed data archives. Builders use it to write custom indexers that read from archives instead of pulling every block from an RPC node.