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OTOBO vs iTop: catalog facts
OTOBO	iTop
Free Open source with no licence fees.	Free Free and open source, with commercial offerings from Combodo.
Web, Self-hosted	Web, Self-hosted
No licence costs ITSM processes based on ITIL practices	Combines ITSM ticketing with a CMDB Low-code customisation for different organisations
You have to host and maintain the server yourself Website content is mainly in German	Setup and data modelling take effort Needs your own server to host
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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