osTicket

Widely trusted open-source support ticketing system with web-based interface

Open Source

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

Free

Open-source edition is free. Cloud-hosted plans start at $12/agent/month.

Visit osTicket →

Last updated: 2026-03-01