DbVisualizer is the universal database tool for developers, DBAs and analysts.

experts freemium $197.0 / One-off (Renew for $69/year to receive updates 2nd year onwards.)

MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

experts Open Source

Apache Arrow is a cross-language development platform for in-memory data.

experts Open Source

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.

experts Open Source