Apache NiFi is An easy to use, powerful, and reliable system to process and distribute data. Apache NiFi supports powerful and scalable directed graphs of data routing, transformation, and system mediation logic. Get complete 9+ hours course at just 9.9$ from Udemy by following below link:
Redis - World's Fastest Database
Redis is the world’s fastest in-memory NoSQL database platform. Redis powers cutting-edge applications and is known to enhance use cases such as real-time analytics, fast high-volume transactions, in-app social functionality, application job management, queuing and caching.