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Top Open Source Live Chat & Messaging Tools in 2026

A curated collection of the 5 best free and open-source Live Chat & Messaging tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Chatwoot

    Open-source customer support platform with AI agents

    Stars
    36,252
    Last commit
    10d ago
    License
    Open Source

  • Tiledesk

    Open-source no-code AI chatbot platform

    Stars
    14
    Last commit
    12d ago
    License
    MIT

  • SAMA

    Open source chat server for mobile and web apps

    Stars
    158
    Last commit
    1mo ago
    License
    GPL-3.0

  • Cossistant

    AI agent customer support for SaaS in under 10 lines of code

    Stars
    715
    Last commit
    1mo ago
    License
    AGPL-3.0

  • Chaskiq

    Open source messaging platform for marketing, support & sales

    Stars
    3,561
    Last commit
    2mo ago
    License
    Open Source
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Showing 5 of 5 open-source tools