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Znuny vs Jira Service Management: catalog facts
Znuny	Jira Service Management
Free Free open-source software; professional services are offered separately.	Freemium Free for up to three agents, with paid plans for larger teams.
Web, Self-hosted	Web
Direct continuation of OTRS Community Edition Long-term support branch alongside a feature branch	Covers incidents, changes and service requests Free tier for very small teams
Self-hosting requires server setup and maintenance Aimed at organizations rather than individuals	Free tier is limited to three agents Hosted only; data lives on Atlassian servers
Self-hosted	Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.