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TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
CockroachDB — the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.
Development at the speed of light
Dolt – Git for Data
Neon: Serverless Postgres. We separated storage and compute to offer autoscaling, code-like database branching, and scale to zero.
Vitess is a database clustering system for horizontal scaling of MySQL.
The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.
libSQL is a fork of SQLite that is both Open Source, and Open Contributions.
MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.
YugabyteDB - the cloud native distributed SQL database for mission-critical applications.
OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.
immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history
MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
Distributed SQL database in Rust, written as an educational project
AliSQL is a MySQL branch originated from Alibaba Group. Fetch document from Release Notes at bottom.
Postgres rewritten in Rust, now faster than Postgres and Clickhouse
The BusTub Relational Database Management System (Educational)
Apache Ignite
YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions
H2 is an embeddable RDBMS written in Java.
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
Get your data in RAM. Get compute close to data. Enjoy the performance.
The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.
A cloud-native database based on PostgreSQL developed by Alibaba Cloud.