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Top Open Source Data Engineering & Integration Tools in 2026

A curated collection of the 6 best free and open-source Data Engineering & Integration tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Open Wearables

    Open-source health intelligence platform for wearable data

    Stars
    2,408
    Last commit
    10d ago
    License
    MIT

  • Twenty

    Open source CRM for modern teams

    Stars
    55,656
    Last commit
    10d ago
    License
    Open Source

  • Timeplus

    Unified real-time streaming and analytics platform

    Stars
    2,247
    Last commit
    25d ago
    License
    Apache-2.0

  • Orbital

    Self-healing API and data integration platform

    Stars
    361
    Last commit
    6mo ago
    License
    Open Source

  • Macro CRM

    CRM that builds itself from your email

    Stars
    4,064
    Last commit
    11d ago
    License
    AGPL-3.0

  • Marble

    AI-powered fraud & AML compliance platform

    Stars
    587
    Last commit
    13d ago
    License
    Open Source
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Showing 6 of 6 open-source tools