osTicket
Widely trusted open-source support ticketing system with web-based interface
Open-source edition is free. Cloud-hosted plans start at $12/agent/month.
open-source ticketing helpdesk self-hosted email-integration
About osTicket
osTicket is a popular open-source support ticket system that integrates inquiries from email, phone, and web forms into a multi-user web interface. Features include automatic ticket routing, a customer portal, email-to-ticket conversion, customizable workflows, and reporting dashboards. The open-source edition is completely free, with optional cloud hosting starting at $12/agent/month.
Highlights
- ✓ One of the most widely deployed open-source ticketing systems
- ✓ Automatic ticket routing to departments and staff
- ✓ Interactive dashboards and customizable reports
Limitations
- ✗ Interface feels dated compared to modern helpdesk tools
- ✗ Limited real-time chat capabilities
- ✗ Fewer automation features than Freshdesk out of the box
Detailed Comparisons
Last updated: 2026-03-01