Many new features have been added to the RackStar OS and many copyrighted features originally on the RAQ550 have been replaced with alternatives.
Just a small list of features you might like:
StarLinQ Updater - Stay up to date with the StarLinq Updating Service. Optional Auto Patcher available!
SMTP Authentication - SPAMMER protection! Do not let your server relay SPAM messages. Turning this feature on will require your users to logon to the SMTP protocol using a username and password!
FrontPage 2002 - FrontPage 2002 extensions with GUI integration. Compatible with FrontPage 2003.
Apache::ASP - Replacement for Chili!Soft ASP (originally on RAQ550). GUI integration.
Tomcat5/JSP - Java Servlet Applications using Tomcat v5. GUI integration.
Automated DNS - Improvement of the Automatic DNS configuration. Adding all records you’ll need, plus a more template features. Several requirements of registrars from several top-level domains have been taken into account.
SQL Plugin - Enable / Disable MySQL and PostgreSQL using the GUI. Including an Active Monitor component!
Multi Language Support - RackStar currently supports 8 languages! English, Japanese, Simplified Chinese, Dutch, French, German, Spanish and Russian.
Styles Support - Change the layout of your interface. Choose from several styles.
Ease - Adding additional features to make your life as an administrator a lot easier! Automatically configure Web Server Aliases and Email Server Aliases, automatically create DNS records, add users when creating a new site, advanced site templates, etc etc.