Redis
Redis (; Remote Dictionary Server) is an in-memory data structure store, used as a distributed, in-memory key–value database, cache and message broker, with optional durability. Redis supports different kinds of abstract data structures, such as strings, lists, maps, sets, sorted sets, HyperLogLogs, bitmaps, streams, and spatial indices.
Kafka
Franz Kafka, a writer, b. 1883, d. 1924.
Kafkanoun
Czech novelist who wrote in German about a nightmarish world of isolated and troubled individuals (1883-1924)