Top 10 Best On Premise Help Desk Software of 2026

ManageEngine ServiceDesk Plus is a robust on-premise IT service management (ITSM) platform designed for help desk operations, offering comprehensive ticketing, incident, problem, change, and release management aligned with ITIL best practices. It integrates asset management, a powerful CMDB with automated discovery, and self-service portals to streamline IT support workflows. This solution provides full data sovereignty and scalability for organizations preferring self-hosted deployments over cloud alternatives.

SysAI d is a comprehensive on-premise IT service management (ITSM) platform designed for help desk operations, offering robust ticketing, asset management, and CMDB capabilities. It includes advanced automation tools, AI-powered chatbots, and a self-service portal to enhance IT support efficiency and user satisfaction. Ideal for organizations prioritizing data sovereignty, SysAI d's on-premise deployment provides full control, customization, and scalability without cloud dependencies.

InvGate Service Desk is a robust on-premise IT service management (ITSM) platform tailored for help desk operations, offering comprehensive ticketing, incident management, and service request fulfillment. It integrates tightly with asset management and CMDB for proactive IT support, enabling automation, workflows, and ITIL-aligned processes. Designed for self-hosted deployment, it provides full data control, scalability, and customization for organizations prioritizing security and compliance.

GLPI is a free, open-source IT Service Management (ITSM) platform designed for on-premise deployment, offering comprehensive help desk ticketing, asset inventory, and CMDB capabilities. It enables IT teams to track incidents, requests, changes, and problems while maintaining detailed hardware and software inventories. With a modular plugin ecosystem, GLPI supports customization for diverse organizational needs in service management.

osTicket is a free, open-source, on-premise help desk ticketing system that enables organizations to manage customer support requests efficiently through web forms, email piping, and phone integration. It supports multiple queues, custom fields, auto-responders, SLAs, and basic reporting, making it suitable for IT help desks and customer service teams. Fully self-hosted, it provides complete data control and scalability via PHP/MySQL without vendor lock-in.

Zammad is an open-source, web-based help desk and customer support platform designed for on-premise deployment, enabling teams to manage tickets from multiple channels including email, chat, social media, telephony, and SMS. It features automated workflows, a built-in knowledge base, real-time reporting, and extensive customization options via Ruby on Rails. Ideal for organizations prioritizing data sovereignty and scalability without vendor lock-in.

OTRS Community Edition is a free, open-source, on-premise help desk and IT service management software that handles customer support tickets across email, phone, chat, and web portals. It supports ITIL-compliant processes for incident, service request, problem, and change management, with a robust CMDB for asset tracking. Highly extensible through Perl modules and dynamic fields, it's ideal for organizations needing deep customization without licensing costs.

UVdesk is an open-source, on-premise helpdesk software designed for managing customer support tickets across multiple channels like email, social media, web forms, and telephony. It offers features such as automation rules, SLA management, knowledge base, and multi-brand support, allowing full data control and customization on self-hosted servers. Ideal for businesses seeking scalable ticketing without vendor lock-in, it integrates well with e-commerce platforms like Magento and WooCommerce.

Faveo Helpdesk is a robust on-premise helpdesk software built on Laravel, designed for businesses seeking full control over their customer support data without relying on cloud services. It supports multi-channel ticketing from email, web forms, social media, and phone, with features like automation rules, SLA management, knowledge base, asset tracking, and detailed reporting. The platform emphasizes customization and scalability for self-hosted environments, making it suitable for privacy-focused organizations.

FreeScout is a free, open-source help desk platform designed for self-hosting on your own server, turning email inboxes into streamlined ticket conversations. It supports unlimited mailboxes, users, and tickets with features like internal notes, custom fields, and file attachments. As a lightweight PHP/MySQL solution, it's ideal for teams seeking Help Scout-like functionality without subscription costs or cloud dependency.