UVdesk Open Source Community Helpdesk is a comprehensive ticketing support system designed for everyone, offering robust features to streamline customer support and collaboration.

GLPI is a Free Asset and IT Management Software package, Data center management, ITIL Service Desk, licenses tracking and software auditing.

Zammad is a web based open source helpdesk/customer support system.

FreeScout — Free self-hosted help desk & shared mailbox (Zendesk / Help Scout alternative)

🖥️ P2P Remote Desktop - Portable, No Configuration or Installation Needed.

A full featured Live Chat, Support & Marketing platform, alternative to Intercom, Drift, Crisp.

An open source issue management & help desk solution. A zendesk & jira alternative

Modern, Streamlined, Free and Open Source Customer Service Software

🧠 AI-powered enterprise search engine 🔎

Helpy is a modern, open source helpdesk customer support application. Features include knowledgebase, community discussions and support tickets integrated with email.

Modern, open source, self-hosted customer support desk. Single binary app.

A Django application to manage tickets for an internal helpdesk. Formerly known as Jutda Helpdesk.

:coffee: :seedling: Trudesk is an open-source help desk/ticketing solution.

Email helpdesk built using Ruby on Rails and Zurb Foundation

Faveo Open source ticketing system build on Laravel framework

Request Tracker, an enterprise-grade issue tracking system

A simple, web based CMDB & IT Service Management tool

An open source Project management tool based on Laravel and Filament

OpenSupports is a simple and beautiful open source ticket system

A simple helpdesk tickets system for Laravel 5.1+ which integrates smoothly with Laravel default users and auth system, demo is available at: http://ticketit.kordy.info/tickets

Znuny is a free, open-source, and versatile web-based ticketing system for Customer Service, Help Desk, IT Service Management, and more. It is built for transparency and long-term sustainability and is highly tailorable to your organization's needs.

Opensource helpdesk and ticketing system by Taskulu

Enterprise IM Solution with AI powered omni-channel customer service & team im，alternative to slack + zendesk/intercom

AD 域控与数据通信网络的统一技术文档平台，覆盖架构设计、部署实施、安全加固与日常运维，帮助你快速搭建与维护稳定可靠的企业网络环境。

Dockerized web based help desk and shared inbox

Webasyst PHP/JS Framework: CRM, CMS, ecommerce, helpdesk, teamwork, automation, cloud apps for business.

An open source Help desk based on Laravel

Odoo modules for managing a HelpDesk system

Asp.Net Example web application showing the capabilities of ASP.NET Core 2 MVC, EF (Entity Framework), Web API, Bootstrap, jQuery, datatables, adminlte template and many more. Web app created as helpdesk or ticket support portal.

HD.rustem - web-based helpdesk system (apache+php+mysql)