Back4App

Relational NoSQL database with GraphQL schema import. Supports joins, indexes, and multi-region ACID transactions with serverless per-per-use pricing.

Weaviate is a cloud-native, modular, real-time vector search engine with a GraphQL interface built to scale your machine learning models.

Key-Value Database for encrypting/tokenizing sensitive data with GraphQL support to authorize requests. - Source Code

The next generation object-relational database with native GraphQL support.

Scalable, distributed, low latency, high throughput Graph database with GraphQL as the query language

Native multi-model database with GraphQL integration via the built-in Foxx Microservices Framework.