MongoDB
It is a cross-platform document-oriented database program that supports the JSON data model with dynamic schemas. It has some interesting features that make it quite popular among developers, like automatic load balancing configuration and Master-Slave replication.
DocumentDB
It is a fully managed document database by Amazon that was released in 2019. Fast, highly scalable, and reliable, it supports MongoDB workloads. It has a modern and cloud-native architecture, auto-scaling of storage, and improved durability that – along with other major features – make it a powerful database service.
Cassandra
When it comes to managing large amounts of data across different servers, Apache Cassandra is quite a preferred NoSQL database management system. It has several advantages over other DBMS, like peer-to-peer architecture, fault tolerance, and cluster deployment.