Skip to content
O/THE OPEN ALTERNATIVE
↑↓to navigate↵to selectescto close

Top Open Source Relational Databases (SQL) Tools in 2026

A curated collection of the 9 best free and open-source Relational Databases (SQL) tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • TimescaleDb

    Time-series database built on PostgreSQL

    Stars
    23,425
    Last commit
    11d ago
    License
    Open Source

  • Turso

    Lightweight SQLite database for AI agents

    Stars
    17,171
    Last commit
    14d ago
    License
    MIT

  • TiDB

    Fully managed auto-scaling SQL database

    Stars
    40,475
    Last commit
    10d ago
    License
    Apache-2.0

  • Neon Postgres

    Postgres backends for apps and agents

    Stars
    22,969
    Last commit
    3mo ago
    License
    Apache-2.0

  • OceanBase

    Unified distributed database for transactions, analytics, and AI

    Stars
    10,256
    Last commit
    11d ago
    License
    Apache-2.0

  • Databend

    Databend is an open-source, elastic cloud data warehouse built for high-performance analytics and seamless integration with popular data tools.

    Stars
    9,424
    Last commit
    10d ago
    License
    Open Source

  • CrateDB

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

    Stars
    4,428
    Last commit
    11d ago
    License
    Apache-2.0

  • Apache Cloudberry

    Open-source MPP database built on PostgreSQL

    Stars
    1,374
    Last commit
    10d ago
    License
    Apache-2.0

  • Baserow

    Open source no-code database & app builder

    Stars
    5,734
    Last commit
    10d ago
    License
    Open Source
Loading more tools...
Showing 9 of 9 open-source tools