Redis is an open source in-memory data store that has gained significant popularity among organizations and developers worldwide, with nearly 10,000 customers relying on it to run their businesses. The open-source version of Redis has over 4 billion Docker pulls and a GitHub repository with nearly 60,000 stars, indicating its widespread adoption and versatility across multiple programming languages. A growing number of users are taking advantage of advanced features and multi-model capabilities through Redis Stack, which already has millions of downloads on Docker hub. With an average annual salary of over $140K for developers with Redis skills, it's a highly sought-after technical skill that can provide significant career benefits. Various resources, including free online training classes, YouTube tutorials, and the official Redis channel, are available to help individuals learn and master Redis.