MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
DynamoDB - Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed cloud database and supports both document and key-value store models.
Redis - Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
Datomic - The fully transactional, cloud-ready, distributed database
monday.com - The most intuitive platform to manage projects and teamwork
MarkLogic Server - MarkLogic Server is a multi-model database that has both NoSQL and trusted enterprise data management capabilities.