Open source service desk software software to evaluate in 2026
GLPI dominates open-source service desk with ticketing, asset management, change management, and a self-service portal. Zammad is a modern alternative focused on multi-channel ticketing (email, chat, phone). For organizations that need full ITSM on open source, GLPI with its extensive plugin ecosystem is the most complete option.
1 open source tools highlighted below, plus 14 more in this category.
GLPI is the most capable open-source ITSM and asset management platform available — free self-hosted with full ITIL coverage, but the real cost is the labor required to deploy, configure, and maintain it without vendor support.
Best for: IT teams with Linux/LAMP administration skills that need ITSM and asset management without per-agent licensing costs, particularly public sector organizations, educational institutions, and budget-con
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Other service desk software tools
These tools are part of the service desk software category but may not match the open source filter above. Worth reviewing if the primary options don't fit.
Freshservice is the mid-market ITSM platform that gets IT teams operational fastest — ITIL-aligned incident, problem, and change management with a UI clean enough that agents need minimal training, deployed in weeks rather than the months ServiceNow or BMC require.
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BMC Helix ITSM is positioned here as a ITSM software option for teams comparing rollout fit, operating model, pricing structure, and how much administrative effort the product is likely to create after implementation.
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Cherwell Service Management is positioned here as a ITSM software option for teams comparing rollout fit, operating model, pricing structure, and how much administrative effort the product is likely to create after implementation.
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Freshdesk is the fastest path from zero to structured multichannel ticketing — a free tier that validates workflows before spending, automation depth available at the Growth tier rather than locked behind enterprise pricing, and a 1,000+ integration marketplace.
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HaloITSM is positioned here as a ITSM software option for teams comparing rollout fit, operating model, pricing structure, and how much administrative effort the product is likely to create after implementation.
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Help Scout is the fastest path to a clean, functional service desk for email-first teams — unlimited users on every plan, a shared inbox that agents learn in a day, and a knowledge base that powers self-service deflection through the embeddable Beacon widget.
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InvGate Service Management is a well-executed mid-market ITSM platform that earns shortlist consideration through fast implementation, a genuinely intuitive no-code workflow builder, and published pricing that makes commercial comparison straightforward before engaging vendor sales.
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Jira Service Management is the strongest service desk choice for organizations already running Jira Software and Confluence — the native Atlassian integration eliminates the ticket-to-code gap that plagues separate ITSM and development tools.
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ManageEngine ServiceDesk Plus is the strongest choice when a mid-market IT team needs on-premises or cloud ITSM with built-in asset management, CMDB, and project management in a single product — at a price point well below ServiceNow or BMC.
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ServiceNow ITSM is positioned here as a ITSM software option for teams comparing rollout fit, operating model, pricing structure, and how much administrative effort the product is likely to create after implementation.
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SolarWinds Service Desk is the clearest mid-market ITSM choice when a team needs ITIL-aligned workflows with built-in asset management and a service catalog, deployed in weeks, at a price point that stays predictable because ticket submitters are unlimited at every tier.
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SysAid is a solid mid-market ITSM platform whose strongest argument is the native integration of asset management and CMDB directly into the service desk — plus cloud and on-premises deployment flexibility that most competitors have dropped.
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Zendesk is the default enterprise-grade service desk for teams that prioritize omnichannel maturity, a 1,500+ integration marketplace, and the Sunshine customization platform over ITSM-specific depth — but the true all-in cost is significantly higher than the published per-agent rates.
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Zoho Desk delivers the best price-to-feature ratio in the service desk category — undercutting Zendesk and Freshdesk by 20-40% at equivalent tiers — and becomes strongest when the organization already uses Zoho CRM or other Zoho products for native ecosystem integration.
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Open Source FAQ for service desk software
GLPI vs Zammad for open-source service desk?
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GLPI is more comprehensive — ticketing, asset management, change management, and 2,000+ plugins. Zammad is more modern with better multi-channel support (email, chat, phone, social). Choose GLPI for ITAM+ITSM, Zammad for pure ticketing with modern UX.
Is open-source service desk production-ready?
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GLPI runs in thousands of production environments including enterprises and government agencies. The software is mature. The risk is operational — self-hosted means you own uptime, backup, upgrades, and security patches.
What plugins does GLPI need for full service desk?
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FusionInventory (agent-based discovery), FormCreator (custom request forms), Escalade (ticket routing rules), and Satisfaction (CSAT surveys). The core handles basic ticketing; plugins fill the feature gaps vs commercial alternatives.
