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Top Open Source Helpdesk Software Tools in 2026

A curated collection of the 7 best free and open-source Helpdesk Software tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Zammad

    Open-source helpdesk & customer support system

    Stars
    5,871
    Last commit
    10d ago
    License
    AGPL-3.0
  • Chatwoot

    Open-source customer support platform with AI agents

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

    Open source Zendesk & Help Scout alternative

    Stars
    4,508
    Last commit
    13d ago
    License
    AGPL-3.0
  • Frappe Helpdesk

    Frappe Helpdesk consolidates customer issues, automates workflows, and empowers self-service to boost agent productivity and customer satisfaction.

    Stars
    3,341
    Last commit
    17d ago
    License
    AGPL-3.0
  • Dittofeed

    Open-source customer engagement platform

    Stars
    2,914
    Last commit
    5mo ago
    License
    MIT
  • 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 7 of 7 open-source tools