Best Databases & Data Stores GitHub Repositories

Apache Hive

Apache HBase

PostgreSQL connection pooler, load balancer and database sharder.

Postgres operator creates and manages PostgreSQL clusters running in Kubernetes

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Where data access meets operational intelligence

An embedded key-value database in pure Rust

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

Ministack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.

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.

Cartography is a Python tool that pulls infrastructure assets and their relationships into a Neo4j graph database.

VTable is not just a high-performance multidimensional data analysis table, but also a grid artist that creates art between rows and columns.

.NET Transactional Document DB and Event Store on PostgreSQL

Linq to database provider.

Database Subsetting and Relational Data Browsing Tool.

Add a real-time analytics node to your operational database. Spice is a portable, accelerated SQL query, search, and LLM-inference engine in Rust for data-grounded AI apps and agents.

Python ODBC bridge

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.

Production-ready C++ Asynchronous Framework with rich functionality

Strategies for cleaning databases in Ruby. Can be used to ensure a clean state for testing.