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ISPConfig vs Ajenti: catalog facts
ISPConfig	Ajenti
Free Free and open source; enterprise support is available separately.	Free Free and open source.
Linux, Web, Self-hosted	Linux, Web, Self-hosted
Manages multiple servers and mirrored clusters from one panel Covers web, mail, FTP, DNS and databases	Runs on Linux and BSD servers Modular design with stock plugins
Linux servers only Billing is a separate add-on module	Fewer features than larger hosting control panels Exposes server administration over the web, so access needs securing
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
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 October 2, 2026

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