Plesk is a complete Control Panel that eliminates the pain that comes with manually managing your Server resources and system administration. It has an intuitive and lightweight interface that makes managing your Server a breeze. It’s available for both Linux and Windows Servers, and not only provides a means of administering your Server configuration through a web-based interface, but is also an ideal platform to start your own hosting business.

Customer Management

• You can set up four different levels of access: domains, clients, resellers and mail users
• Manage disk quotas, domains, email and other hosting resources through a simple interface
• Easily suspend accounts and manage customer resource usage
• Create domain templates for easy provisioning of new hosting accounts

Domain Administration

• Manage domains and DNS zones
• Set up new domains in seconds
• Support for subdomains and aliasing

Hosting Management

• Admin your web space and FTP users
• phpMyAdmin integration for MySQL database administration
• Install and manage SSL certificates
• Full Cron support

Email Management

• Configure your POP3 and IMAP users
• Run mailing lists powered by MailMan
• Webmail installed and ready to go
• Simple web interface to admin SpamAssassin rules

Server Management

• Easily monitor Server HDD, RAM and CPU information
• Implement resource throttling per account
• Log rotation and log reading
• Full website statistics available through Webalizer

cPanel is a Control Panel designed for website owners and is intended to simplify common tasks such as managing email accounts, reviewing site traffic, and editing web pages. WHM is the Server administration counterpart to cPanel, providing a web-based Control Panel for Server administration tasks

cPanel is only available for Linux Servers running CentOS.

The cPanel/WHM Control Panel package provides you with tools for managing sites as well as the Server itself.

For Website Owners

• Email account management including webmail, forwarding and spam filtering
• Quota management
• Manage SSL certificates
• Domain and DNS management tools
• Create, delete and edit website files

For Server Administrators

• Easily suspend and terminate accounts
• Manage server resources and quotas
• Configure security settings such as firewalls
• Set global limits on disk space and bandwidth
• Manage log files

Webmin is a Control Panel designed to be used as a web front-end for managing system administration tasks such as managing users, disk quotas and configuration settings. It is modular in design and additional functionality can be added by installing extra modules.

Please bear in mind that Webmin is positioned more as a means of managing the Server itself rather than as a domain hosting management Control Panel.