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Zammad

Professional Services Automation

Open Source
Free Tier
Paid Plans
Paid Plans
Paid Plans
E
Enterprise
Self-hosted
OpenMSP Score
45
43
Reddit Impact Score
Github Score
203M
5KStars
952Forks
18KCommits
GNU Affero General Public License v3.0License
Mar 20, 2026Last commit

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Zammad is a web-based, open-source helpdesk and customer support platform that streamlines customer communication across multiple channels including email, chat, telephone, and social media. Founded in Berlin in 2016 by the original creator of OTRS, Zammad offers both self-hosted and cloud-hosted solutions with a modern, intuitive interface designed for teams of all sizes. The platform features powerful automation, multi-channel support, a built-in knowledge base, and extensive integrations with tools like Slack, GitHub, GitLab, and more.
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Key Features

Multi-Channel Support

Consolidate customer communications from email, chat, phone, social media (Twitter, Facebook), and web forms into a unified ticketing system

Automation & Triggers

Powerful automation with customizable triggers, macros, text modules, and scheduled actions to streamline workflows and reduce manual tasks

Knowledge Base

Built-in customer self-service portal with searchable articles, multi-language support, and easy content management

Extensive Integrations

Connect with Slack, GitHub, GitLab, Telegram, Microsoft 365, Google Workspace, LDAP/AD, and more via REST API

Self-Hosted Option

Full control with on-premise deployment - install on your own servers with complete data sovereignty

Reporting & Analytics

Comprehensive reporting tools for ticket volume, agent performance, response times, and customer satisfaction metrics

Pros and Cons

Pros

Open Source & Free Self-Hosting

Complete source code access with AGPL-3.0 license, allowing free self-hosted deployment with no licensing costs

Modern & Intuitive Interface

Clean, user-friendly design that requires minimal training and improves agent productivity

Powerful Automation

Advanced trigger system and workflow automation reduces repetitive tasks and ensures consistent processes

Active Development & Community

Regular updates, active GitHub community with 5,000+ stars, and responsive support from Zammad GmbH

Flexible Deployment Options

Choose between cloud-hosted (managed) or self-hosted solutions based on your needs and compliance requirements

Cons

Learning Curve for Self-Hosting

Initial setup and configuration require technical knowledge, especially for self-hosted deployments

Limited App Marketplace

Smaller ecosystem of third-party plugins compared to enterprise solutions like Zendesk

Performance with Large Data

May require Elasticsearch for optimal performance with large ticket volumes

Advanced Analytics

Reporting features are functional but less sophisticated than specialized BI tools

Feature Comparison

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