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

YugabyteDB - the cloud native distributed SQL database for mission-critical applications.

The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.

A distributed MySQL binlog storage system built on Raft

YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions

RadonDB is an open source, cloud-native MySQL database for building global, scalable cloud services

The MongoDB Database

A truly Open Source MongoDB alternative

LiteDB - A .NET NoSQL Document Store in a single data file

TinyDB is a lightweight document oriented database optimized for your happiness :)

Pure PHP NoSQL database with no dependency. Flat file, JSON based document database.

A developer-friendly document database that grows with you, written in Rust

A lightweight document-oriented NoSQL database written in pure Golang.

Graphs for Everyone

Gel supercharges Postgres with a modern data model, graph queries, Auth & AI solutions, and much more.

A distributed, fast open-source graph database featuring horizontal scalability and high availability

EliasDB a graph-based database.

VictoriaMetrics: fast, cost-effective monitoring solution and time series database

Scalable datastore for metrics, events, and real-time analytics

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Apache Doris is an easy-to-use, high performance and unified analytics database.

An embedded time-series database

A cloud-native open source distributed time series database with high performance, high compression ratio and high availability.

LinDB is a scalable, high performance, high availability distributed time series database.

Distributed Prometheus time series database

Apache HoraeDB (incubating) is a high-performance, distributed, cloud native time-series database.

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB

❄️ Coolest database around 🧊 Embeddable column database written in Go.

Open Source, Google Zanzibar-inspired database for scalably storing and querying fine-grained authorization data