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Zammad vs FreeScout: catalog facts
Zammad	FreeScout
Free The self-hosted community edition is free; hosted plans are sold separately.	Free Free and open source, with optional modules and installation services offered separately.
Linux, Web, Self-hosted	Web, Self-hosted
Packages for Debian, Ubuntu and CentOS plus Docker Actively released	Unlimited agents, tickets and mailboxes Runs on ordinary PHP and MySQL hosting
Server runs on Linux only Heavier to set up than simple PHP help desks	Many extra channels and features come as separate modules You maintain the server and email setup yourself
Self-hosted	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.