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

Top Open Source Event Streaming Platforms Tools in 2026

A curated collection of the 8 best free and open-source Event Streaming Platforms tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • AutoMQ

    Diskless Kafka on S3 with sub-10ms latency

    Stars
    10,576
    Last commit
    11d ago
    License
    Apache-2.0

  • ACI.dev

    Outcome Automation as a Service for professional and financial services firms

    Stars
    4,885
    Last commit
    3mo ago
    License
    Apache-2.0

  • Abby

    Open-source feature flags, remote config, and A/B testing for developers

    Stars
    167
    Last commit
    18mo ago
    License
    AGPL-3.0

  • 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

  • Operational

    Open-source event tracker for SaaS products

    Stars
    477
    Last commit
    1mo ago
    License
    AGPL-3.0

  • Orama

    Open-source search and AI infrastructure platform

    Stars
    10,535
    Last commit
    2mo ago
    License
    Open Source

  • AITable

    Visual database and workflow automation tool with AI-powered features and 6,000+ app integrations

    Stars
    15,576
    Last commit
    10mo ago
    License
    AGPL-3.0
Loading more tools...
Showing 8 of 8 open-source tools