Open source database projects
Every project in the registry tagged database, ranked by real GitHub adoption.
Postgres-powered backend platform for production apps
Real-time monitoring for systems and applications
Lightning-fast search for your applications
Distributed reliable key-value store for the most critical data of a distributed system
Free database manager for SQL databases and beyond
Lightning-fast analytics for massive datasets
Unlock data insights with powerful, user-friendly analytics
Next-generation ORM for Node.js & TypeScript | PostgreSQL, MySQL, MariaDB, SQL Server, SQLite, MongoDB and CockroachDB
DuckDB is an analytical in-process SQL database management system
Scale-out SQL database for real-time analytics
Design database diagrams and generate SQL scripts instantly
An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, model
Open-source data platform for effortless content management
TypeScript & JavaScript ORM for Node.js — supports PostgreSQL, MySQL, MariaDB, SQLite, SQL Server, Oracle, and more.
A library that provides an embeddable, persistent key-value store for fast storage.
Blazing-fast in-memory data store for modern applications
Purpose-built time series database for real-time systems
Open-source vector database for AI search and retrieval
20 MB lightweight cross-platform database client for 90+ databases, including MySQL, PostgreSQL, SQLite, Redis, MongoDB, DuckDB, SQL Server, and Dameng. Built-i
Transform natural language into SQL queries with AI
REST API for any Postgres database
A flexible distributed key-value database that is optimized for caching and other realtime workloads.
Time-series database and historian for industrial data
Dolt – Git for Data
Time-series database built on top of PostgreSQL
The local-first database that runs on every JS runtime and replicates with your existing backend - no vendor, no lock-in - https://rxdb.info/
Serverless Postgres for modern applications
Database diagrams editor that allows you to visualize and design your DB with a single query.
Simple and fast JSON database
Flexible database meets intuitive spreadsheet interface
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.
open-source agentic AI data assistant for the next generation of AI + Data products.
XERJ is the new way for AI to search data. Its autoindex capability activates agents to know your data without the token waste of grep and sed. One command inde
High-performance time series database for metrics and logs
The lightweight, fault-tolerant database built on SQLite. Designed to keep your data highly available with minimal effort.
:kangaroo: - PouchDB is a pocket-sized database.
High-performance time-series database for massive data scale
Graphs for Everyone
SQLite-compatible database for scalable multi-tenant applications
MCP Toolbox for Databases is an open source MCP server for databases.
Realm is a mobile database: a replacement for Core Data & SQLite
Embeddable Postgres with real-time, reactive bindings.
Apache Doris is a real-time analytics and hybrid search database for AI agents.
Fast key-value DB in Go.
Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package
EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.
A Minimalistic Wrapper for IndexedDB
A type-safe TypeScript SQL query builder
Gel supercharges Postgres with a modern data model, graph queries, Auth & AI solutions, and much more.
Postgres CLI with autocompletion and syntax highlighting
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
Distributed PostgreSQL as an extension
Apache ZooKeeper
Build full-stack apps with TypeScript and real-time sync
Accelerate backend development with effortless scalability
A distributed, fast open-source graph database featuring horizontal scalability and high availability
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRock
Lightning-fast open source search engine for big data
Related tags
Frequently asked questions
How many open source database projects are there?
This registry tracks 164 projects tagged database, with 2,219,142 GitHub stars between them. The most-adopted is Supabase at 114,420 stars.
Are these database projects free to use?
Yes — 153 of the 164 carry an explicit open-source licence across 7 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which database project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these database projects still maintained?
147 of the 164 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.