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ISPConfig vs Webmin: catalog facts
ISPConfig	Webmin
Free Free and open source; enterprise support is available separately.	Free Free to download and use.
Linux, Web, Self-hosted	Linux, Web, Self-hosted
Manages multiple servers and mirrored clusters from one panel Covers web, mail, FTP, DNS and databases	Manages users, services, packages and config files from one browser interface Modules for BIND, Apache, Nginx, MySQL and other common server software
Linux servers only Billing is a separate add-on module	Only for Unix-like servers The interface covers many modules and can take time to learn
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: BSD-3-Clause
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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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