
OTOBO
Flexible web-based ticketing and IT service management system
334 stars 89 forks last commit first released GPL-3.0
Actively maintained
Last commit 26 Aug 2026.

OTOBO is a flexible, web-based open-source ticketing system designed for customer service, help desks, and IT service management. It provides ticket lifecycle management, automation, a knowledgebase, and optional ITSM/CMDB components for tracking assets and configurations.
Key Features
- Full ticketing system with ticket creation, queues, priorities and SLA handling
- Email integration for inbound/outbound tickets and notifications
- Automation and workflow capabilities to route, escalate and process tickets
- Integrated knowledgebase with internal and external interfaces for FAQs and articles
- Optional ITSM extension including CMDB for asset and configuration tracking
- Highly configurable templates, roles, permissions and business rules
- Docker-friendly deployment artifacts and traditional packages for sysadmin installation
Use Cases
- Customer support centers handling inbound requests and SLA-driven responses
- Internal IT service desks tracking incidents, requests and assets via CMDB
- Automating repetitive service processes and escalation workflows for faster resolution
Limitations and Considerations
- Deep customization often requires knowledge of Perl and OTOBO's configuration model
- Initial setup and integration (email servers, database, LDAP) can be complex for novice administrators
OTOBO is suitable for organizations that need a mature, configurable ticketing and service-management platform with extensible ITSM capabilities. It is best chosen when strong customization and control over workflows and assets are required.
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