6 Best Open Source HelpDesk Alternatives in 2026

1

Chatwoot

Open-source omnichannel customer support platform.

Chatwoot is an omnichannel support platform that manages conversations across live chat, email, WhatsApp, Facebook, Instagram, Telegram, and Line, with AI features such as automated responses and copilot suggestions, real-time translation, a knowledge base, a customizable chat widget, and a developer API. The repository is MIT outside its enterprise directory, which is under a separate license.

Pricing: Free self-hosted; paid cloud and enterprise features.

• Omnichannel inbox with a customizable live chat widget
• AI assistance, knowledge base, and API
• Very large and active community
• Enterprise features are under a separate license
• Self-hosting needs maintenance

2

Zammad

Open-source helpdesk and ticketing system.

Zammad is an open-source helpdesk that centralizes customer communications with multichannel ticket management, customizable fields and workflows, SLA tracking and auto-assignment, a knowledge base and self-service portal, Slack and Microsoft Teams integrations, analytics, and 2FA and SSO.

Pricing: Free self-hosted; paid hosting and support available.

• Mature multichannel ticketing with SLAs
• Knowledge base, analytics, and SSO
• Scales well
• Chat is secondary to tickets
• More setup than a simple chat widget

3

FreeScout

Self-hosted shared inbox for customer support.

FreeScout is a self-hosted email management system with shared inboxes, automation, collaboration, an API, and extensible modules, supporting email and web forms, with unlimited users and a focus on privacy.

Pricing: Free self-hosted; paid modules and hosting available.

• Unlimited users on your own server
• Simple shared inbox and automation
• Extensible modules
• Email-centered rather than live chat
• Some modules are paid

4

Chaskiq

Open-source customer messaging platform.

Chaskiq is an open-source customer communication platform with live chat, email, and social channels, AI-powered chatbots, real-time analytics, customizable chat widgets, shared inboxes and agent assignments, and API and webhook support. It is AGPL-3.0-or-later with the Commons Clause, which prohibits selling the software, and a commercial license is available.

Pricing: Free self-hosted for non-selling use; a commercial license is available.

• Chat, chatbots, and campaigns in one platform
• Real-time analytics and webhooks
• Self-hosting
• Commons Clause makes it source available, not standard open source
• Slower development and a last commit in June 2026

5

Frappe Helpdesk

Open-source ticketing system from the Frappe team.

Frappe Helpdesk is an open-source ticketing system that consolidates customer issues from multiple channels into one queue, with SLA management, automated workflow rules for routing, a self-service knowledge base and portal, canned responses, custom fields, and transparent ticket history.

Pricing: Free self-hosted; Frappe Cloud hosting is paid.

• SLA management and workflow rules
• Knowledge base and portal
• Integrates with the Frappe and ERPNext ecosystem
• Ticket-focused rather than live chat
• AGPL-3.0 license

6

Cossistant

AI-native support platform with React components.

Cossistant is an AI-native customer support platform that combines AI with human agents, offering production-ready React components built with Tailwind and shadcn/ui, real-time agent conversations, intelligent routing, inbox management, and support widgets that integrate with Next.js and React apps in a few lines of code. It is AGPL-3.0 for non-commercial use and needs a commercial license for commercial use.

Pricing: Free for non-commercial self-hosting; a commercial license is required for commercial use.

• React and Next.js components that integrate quickly
• AI-native routing with human agents
• Real-time conversations
• Commercial use requires a commercial license
• Young project with a small community