Compare software

Request Tracker vs Znuny: catalog facts
Request Tracker	Znuny
Freemium Open-source software is free to self-host; hosted plans are available.	Free Free open-source software; professional services are offered separately.
Web, Self-hosted	Web, Self-hosted
Handles tickets entirely by email or web Highly customisable workflows and extensions	Direct continuation of OTRS Community Edition Long-term support branch alongside a feature branch
Setup and customisation take administrator effort Hosted plans go through sales	Self-hosting requires server setup and maintenance Aimed at organizations rather than individuals
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.