Redis is an open source, high-performance, in-memory data structure store that can be used as a database, cache, and message broker. It supports various data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, and more. Redis is designed to be fast, scalable, and easy to use, making it popular among developers for building real-time applications, caching, and handling high-traffic websites. It also supports pub/sub messaging, Lua scripting, transactions, and various persistence options, including RDB and AOF. Redis has clients available in various programming languages, making it easily integrable into most modern applications.
