Redis

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An in-memory database that persists on disk

What is Redis?

Redis is an open source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
Redis is a tool in the In-Memory Databases category of a tech stack.

Who is using it?

4763 companies use Redis in their tech stacks, including Airbnb, Uber, and Pinterest.

Airbnb

Uber

Pinterest

Instagram

Udemy

Twitter

Slack

Shopify

Instacart

reddit

StackShare

Lyft

Why developers like Redis

Performance
Super fast
Ease of use
In-memory cache
Advanced key-value cache
Open source
Easy to deploy
Stable
Free