GLPI
Open-source ITSM plus asset management and service-catalog workflows.
HelpDesk Picker › Buyer guide
Curated buyer guide · 2026
Best Open-Source ITSM Tools in 2026
Open-source ITSM is not one category of identical products. Compare helpdesk workflow, asset management, service catalog, SLA coverage, maintenance ownership, and deployment model.
Platforms to evaluate
OTRS Community context
Legacy enterprise open-source service desk category; validate the maintained distribution used by your organization.
Zammad
Modern open-source helpdesk with multi-channel support.
osTicket
Widely deployed open-source ticketing option.
Request Tracker
Long-running, scriptable technical ticketing system.
How to evaluate
| Criteria | What to verify |
|---|---|
| Workflow fit | Use real incidents, requests, approvals, service-catalog items, and reporting needs. |
| AI controls | Check approval gates, logging, confidence thresholds, restricted actions, and remediation paths. |
| Operations context | Confirm asset, endpoint, monitoring, remote-support, and discovery requirements. |
| Migration plan | Send source, target, entities, record volume, attachments, and timeline to the migration team. |
FAQ
How were these tools selected?
The shortlist focuses on product fit, published capabilities, deployment model, and the buyer questions that should be verified during procurement.
Should every listed platform be treated as equivalent?
No. Use the shortlist to narrow the market, then validate workflows, security, reporting, integrations, pricing, and migration requirements with real scenarios.