Best Open Source Database Projects

Supabase

The open source Firebase alternative.

Open-source Airtable alternative - Turn databases into smart spreadsheets

PocketBase

An entire backend — database, auth, files, realtime — in one small binary

DBeaver

Universal database tool

ClickHouse

Fast open-source OLAP database

Zilliz / Milvus

The open source vector database for AI.

TiDB

An open-source, cloud-native, distributed SQL database.

Directus

Open data platform for managing content

Qdrant

A fast, Rust-built vector database for similarity search, semantic retrieval and AI-powered recommendations.

Dragonfly

Modern in-memory datastore

InfluxDB

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

Typesense

Fast, typo-tolerant open source search engine.

TDengine

An open-source, high-performance time-series database.

Beekeeper Studio

Modern SQL editor and database manager

TimescaleDB

The open-source time-series database optimized for fast ingest and complex queries.

Postgres

The object-relational database that's been earning developer trust for three decades

Dgraph

Native GraphQL graph database

Parse Server

Facebook's abandoned backend, reborn as the open-source Firebase alternative

Sonic

Fast, lightweight and schema-less search backend.

VictoriaMetrics

Fast, cost-effective and scalable time-series database and monitoring solution.

QuestDB

A time-series database built for very fast ingestion and SQL queries over market, sensor and metrics data.

Neo4j

Graph database for connected data

Weaviate

An open source vector database that stores both objects and vectors.

ArangoDB

Multi-model database