TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.

CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.

Dgraph is a horizontally scalable and distributed GraphQL database with a graph backend. It provides ACID transactions, consistent replication, and linearizable reads. It's built from the ground up to perform a rich set of queries. Being a native GraphQL database, it tightly controls how the data is arranged on disk to optimize for query performance and throughput, reducing disk seeks and network calls in a cluster.

BadgerDB is an embeddable, persistent and fast key-value database written in pure Go. It is the underlying database for Dgraph, a fast, distributed graph database. It's meant to be a performant alternative to non-Go-based key-value stores like RocksDB.

The fantastic ORM library for Golang, aims to be developer friendly