Top 10 Best Opensource Help Desk Software of 2026

Zammad is a robust open-source helpdesk and customer support platform that unifies tickets from multiple channels including email, chat, web forms, social media, and telephony into a centralized system. It offers advanced features like automated workflows powered by Zeebe, a comprehensive knowledge base, detailed reporting, and real-time collaboration tools for efficient team management. Ideal for self-hosting, it provides a modern web interface with extensive customization options for organizations of all sizes.

osTicket is a free, open-source help desk ticketing system designed to streamline customer support by converting emails, web forms, and phone requests into manageable tickets. It features ticket assignment, queues, automated responses, custom fields, and basic reporting to help teams organize and resolve issues efficiently. With a focus on scalability for small to medium teams, it supports multilingual interfaces and department-based routing.

Znuny is a robust open-source help desk and IT service management platform, forked from OTRS, offering comprehensive ticketing, queue management, and customer support workflows. It supports multi-channel ticket intake (email, phone, web), automated routing, SLA monitoring, and advanced reporting for ITIL-compliant operations. Highly modular and extensible, it's designed for organizations needing scalable, customizable solutions without licensing costs.

GLPI is a free, open-source IT service management platform that excels as a help desk solution with integrated asset and inventory management. It enables efficient ticket tracking for incidents, requests, and changes, while also handling IT asset lifecycle from procurement to disposal. The software supports multi-tenancy, reporting, and a vast plugin ecosystem for customization.

FreeScout is a fully open-source, self-hosted help desk and shared mailbox software designed as a lightweight alternative to Help Scout. It enables teams to manage customer support tickets through email integrations (IMAP/POP3), automate responses with rules, and create a basic knowledge base. With a modern, responsive interface and modular architecture, it supports unlimited agents and tickets without any licensing fees.

UVdesk is an open-source helpdesk software built on Symfony that enables efficient customer support through multi-channel ticket management, including email, social media, and web forms. It features a robust knowledge base, automated workflows, and multi-brand support for handling multiple support portals from a single dashboard. Ideal for self-hosted deployments, it offers high customizability for teams needing scalable ticketing without vendor lock-in.

Request Tracker (RT) is a mature, open-source ticketing system from Best Practical, primarily used for help desk, IT service management, and customer support operations. It provides robust features for tracking requests, managing workflows, and integrating with email systems to create and update tickets automatically. RT is highly extensible through custom fields, templates, and scrips, making it suitable for complex organizational needs.

Helpy is a fully open-source help desk platform designed for teams to manage customer support tickets across multiple channels like email, chat, and web forms. It includes a built-in knowledge base, community forums, and asset management, all within a modern, responsive interface. As a self-hosted solution built on Ruby on Rails, it emphasizes customization, data ownership, and scalability for growing support needs.

iTop is an open-source IT Service Management (ITSM) platform from Combodo that excels as a help desk solution with robust ticket management, incident tracking, and automation workflows. Built around a comprehensive Configuration Management Database (CMDB), it supports ITIL-compliant processes including problem management, change management, and service catalogs. Highly customizable and self-hosted, it's ideal for IT teams needing integrated asset and service management without licensing costs.

Faveo Helpdesk is an open-source, self-hosted help desk software built on PHP and Laravel, designed to manage customer support tickets from multiple channels including email, web forms, social media, and chat. It offers essential features like automated ticket routing, SLA management, knowledge base, canned responses, and detailed reporting for efficient support workflows. Suitable for businesses seeking a customizable, cost-free alternative to proprietary help desk solutions with full control over their data.