Open source support ticket system simple, free, lightweight, open source, and easy to setup and use. Developed by osTicket
License: Open Source
osTicket is an open-source ticketing system that offers high customization and community support, making it ideal for tech-savvy teams. In contrast, InvGate Service Desk provides a comprehensive ITSM solution with robust reporting and support, catering to organizations looking for a complete service management tool.