Redis - Redis is in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams.
MongDB - MongoDB is a NoSQL database that stores data in JSON-like documents. It is a popular choice for web applications and other projects that require a scalable, flexible database.
database