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Open Source Relational Databases (SQL) using Java

A curated collection of the best open source database systems based on the relational model (SQL). using Java.

Neon Postgres

Serverless Postgres for modern applications

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22,623
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1,036
Last commit
2 months ago

Cloud-native, auto-scaling Postgres with instant branching, bottomless storage, and pay-per-use pricing

Open Source Alternative to:

Supabase

Turso

SQLite-compatible database for scalable multi-tenant applications

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16,975
Forks
509
Last commit
8 days ago

Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.

Open Source Alternative to:

Supabase

CrateDB

Scalable SQL database for real-time analytics

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4,416
Forks
603
Last commit
2 hours ago

Distributed SQL database designed for high-speed ingestion and complex queries on massive datasets, ideal for IoT and time-series data.

Open Source Alternative to:

Snowflake

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