Amazon DynamoDB, Cloud Firestore, Azure Cosmos DB, Google Cloud Datastore, and Google Cloud Bigtable are the most popular tools in the category “NoSQL Databases”. “Predictable performance and cost” is the primary reason developers pick Amazon DynamoDB over its competitors, while “Cloud Storage” is the reason why Cloud Firestore was chosen.
A fully-managed, globally distributed NoSQL database service
The same database that powers Google Search, Gmail and Analytics
A Fully Managed NoSQL Data Storage Service
Fast, scalable, highly available MongoDB-compatible database service
Store and sync data in real time