Scala DSL for Unit-Testing Processing Topologies in Kafka Streams
Kafka Streams + Memcached (e.g. AWS ElasticCache) for low-latency in-memory lookups
Functional, typesafe and well-tested JSON RPC client for Bitcoin, Ethereum and Omni full nodes
Good enough AWS DynamoDB abstraction in Scala with Circe JSON serialization using Twitter Futures
The Missing Intervals of Twitter Util Time