osTicket is a popular open source support ticket system. It seamlessly integrates inquiries created via email, phone and web-based forms into a simple easy-to-use multi-user web interface.
osTicket is designed to help you streamline support requests and improve customer support efficiency by providing staff with tools they need to deliver fast, effective and measurable support.
osTicket comes with a web-based installer to simplify the installation process.
Key Features
- Web and email support: Users can submit tickets either by email or from a web portal.
- Auto responses: Users (and staff) will receive auto-generated emails informing them of the status of their support request with customizable mail templates.
- Internal notes: Staff can add internal notes on tickets to help keep track of progress.
- Alerts: Staff will receive auto-generated email alerts when a ticket has been assigned to them.
- Role-based access: Various levels of access that allow staff to access specific features.
- Assign/transfer tickets: Each ticket can be assigned to a staff member or transferred to a different staff member.
- Various levels of priority for tickets.
- Auto-refresh support.
- Captcha support to reduce spam.
Website: osticket.com
Support:
Developer: osTicket.com
License: GNU General Public License v2.0

osTicket is written in PHP. Learn PHP with our recommended free books and free tutorials.
Related Software
| Customer Service Trouble Ticketing Software | |
|---|---|
| Zammad | Web based helpdesk/customer support system with bags of features |
| Request Tracker | Mature enterprise-grade issue tracking system |
| osTicket | Widely-used lightweight support ticket system |
| Roundup | Simple to use and install issue tracking system |
| Libredesk | Self-hosted omnichannel customer support desk |
| FreeScout | Self-hosted help desk and shared mailbox application |
| Frappe Helpdesk | Customer service and ticket management application |
| Znuny | Fork of OTRS |
| OpenSupports | Simple ticketing system |
Read our verdict in the software roundup.
| Issue Tracking Systems | |
|---|---|
| OpenProject | Collaborative project management with planning and tracking |
| Zammad | Web based open source helpdesk/customer support system |
| Plane | Modern project management for issues, cycles, and roadmaps |
| Request Tracker | Mature enterprise-grade issue tracking system |
| MantisBT | Issue tracker implemented in PHP and using MySQL as a database |
| osTicket | Customer support ticket system |
| Fossil | Distributed version control system, bug tracking system and wiki server |
| Bugzilla | Bug Tracking System available through a web interface |
| Roundup | Simple-to-use and install issue-tracking system |
| Trac | Issue tracker implemented in PHP and using MySQL as a database |
| Redmine | Flexible project management web application |
| Flyspray | Simple, web-based bug tracking system written in PHP |
| Znuny | Fork of OTRS |
| Eventum | User friendly and flexible issue tracking system |
| FlowInquiry | Manage tickets, workflows and SLA tracking |
| Pachno | Friendly issue tracking |
| OpenSupports | Simple ticketing system |
| Phorge | Ccmmunity-maintained fork of Phabricator |
| Qisutu | Straightforward ticket management for teams and support workflows |
Read our verdict in the software roundup.
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