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Top Open Source Stream Processing Tools in 2026

A curated collection of the 3 best free and open-source Stream Processing tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Trench

    Open source analytics infrastructure

    Stars
    1,661
    Last commit
    5mo ago
    License
    MIT

  • Timeplus

    Unified real-time streaming and analytics platform

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

  • Logstash

    Open source log collection and processing pipeline

    Stars
    14,927
    Last commit
    11d ago
    License
    Open Source
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Showing 3 of 3 open-source tools