List of Top Free Open Source & Self Hosted Application for Ticketing

Helpdesk, bug and issue tracking software to help the tracking of user requests, bugs and missing features.

Bugzilla – General-purpose bugtracker and testing tool originally developed and used by the Mozilla project. MPL-2.0 Perl
django-todo – Pluggable, multi-user, multi-group, multi-list todo and ticketing system – a reusable app designed to be dropped into any existing Django project. BSD-3-Clause Python/Django
Erxes – Marketing, sales, and customer service platform designed to help businesses attract more engaged customers. GPL-3.0 Javascript
FreeScout – Open source clone of Help Scout: email-based customer support application, help desk and shared mailbox. AGPL-3.0 PHP
GlitchTip – Open source error-tracking app. GlitchTip collects errors reported by your app. MIT Python
Iguana – Iguana is an open source issue management system with a kanban board. CC-BY-SA-4.0 Python/Docker
ITFlow – Client IT Documentation, Ticketing, Invoicing and Accounting Web Application for MSPs (Managed Service Providers). GPL-3.0 PHP
MantisBT – Self hosted bug tracker, fits best for software development. GPL-2.0 PHP
osTicket – Manage, organize and archive all your support requests and responses in one place. GPL-2.0 PHP
OTOBO – Flexible web-based ticketing system used for Customer Service, Help Desk, IT Service Management. GPL-3.0 Perl
Pachno – Bring your team together to design, build and deliver your project with a tool that works with you and your team, and adapts when you need to. MPL-2.0 PHP
Peppermint – A simple ticket management tool with support for logs and multi-deployment. AGPL-3.0 Docker
Request Tracker – An enterprise-grade issue tracking system. GPL-2.0 Perl
Roundup Issue Tracker – A simple-to-use and -install issue-tracking system with command-line, web, REST, XML-RPC, and e-mail interfaces. Designed with flexibility in mind – not just another bug tracker. MIT/ZPL-2.0 Python
Trudesk – Trudesk is an open-source help desk/ticketing solution. Apache-2.0 Nodejs
Zammad – Easy to use but powerful open-source support and ticketing system. AGPL-3.0 Ruby