Oura
Rust streaming pipeline that tails a Cardano node and forwards matching chain events to sinks like Kafka, Redis, or webhooks.
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Adder
Go streaming tool that tails the Cardano chain and emits block and transaction events through configurable filters.
Argus
.NET indexing framework for Cardano where you define reducers to shape the data stored in PostgreSQL.
cardano-db-sync
Haskell indexer that follows the Cardano chain and stores all on-chain data in a structured PostgreSQL database.
cardano-graphql
GraphQL API layer over Cardano blockchain data, built on cardano-db-sync.
