Both Kloxo 6.1.8 and 6.1.9 has been released. Kloxo is an open source webhosting control panel for CentOS 5.

From Kloxo HostInaBox, a light and efficient webhosting platform, to Kloxo Enterprise, a truly distributed hosting platform.

Kloxo is a fully scriptable, distributed and a 100% object oriented hosting platform.

Features:

CentOS 5 Support
Integrates with billing software such as AWBS, WHMCS and HostBill
Kloxo HostinABox: Feature Complete web hosting platform that uses 10MB RSS.
Kloxo Enterprise: distributed hosting platform.
View, Search and Manage your entire hosting, and every domain from a single page.
Lxguard, advanced intrusion detection management interface.
Supports apache/lighttpd, djbdns/bind and pure-ftpd
On the fly Switch between applications
Scale to million hits per day, using fastcgi
Advanced Backup/Restore
Upgrade from HostInABox to Enterprise without re-installing
Parked/Redirected Domains
Integrated RoR
Main Features:

Full Distribution of resources across machines.
Ability to move accounts from one cluster to another.
Backup your entire hosting and restore ANY part of it.
Disk usage and warning report for the whole cluster.
Ability to move resources across machines on-the-fly. Start with a single server, and when you have reached the saturation, just add another server and move the requisite resources to the new machine.
Move Clients/Domains across resellers. You can change the ownership of both clients and domains and move them around trivially.
General Features:

Messaging System. Kloxo allows you have a better relationship with your customers using our messaging and ticketing system.
Ticket System. This is a full featured trouble ticket system that allows customers to post their complaints without the need to login to their main account.
Ticket alerts.
Disable / Enable Resellers.
Change Reseller’s quotas.
Command Line api to everything that can be done through web interface.
Client functions:

Manage reseller quotas: Control your client’s ability to:
Change Banner
Enable frontpage
Enable ssl
Web server pool
Mail server pool
Dns Server pool
Database server pool.
Ipaddress pool.
Exclusive ipaddress: Allow a customer to setup ssl certificate for this ipaddress.
Backup

Backup Your Entire Account, including domains, clients, databases, directory protects, and also the contents of all the resources.
Schedule backup.
Upload backup to Ftp servers.
Mail Functions

Catchall
Manage email accounts
Webmail
Auto-responders
Forwarding
Mailing list Management (ezmlm)
Full control of Dns.
Spam filtering (SpamAssassin)
Stats

AWStats
View latest visitors
View bandwidth usage
Traffic Calculation includes Mail, Web and Ftp Traffics.
View error log
Download raw log file
Web functions

Directory Protect
User password directly linked to the Frontpage password.
Frontpage Install/Uninstall
Custom error pages
Redirects
Cluster aware File Manager
Cron job management.
Manage FTP accounts
Subdomains

Ability to add/remove subdomains
Ability to create Ftp users for specific subdomains.
Database Management

Manage MySQL databases on multiple servers
Intelligent phpMyAdmin access. Kloxo will automatically redirect you to the correct server on which the database is configured.

Server Functions:

Manage Services
Change Database adminstrator password
Ipaddress management
See all the domains that are using the particular server.
Cron jobs.
Log manager
Process Manager
Package updation. Using up2date.
Platform Support
CentOS 5 Stable (32Bit)

New in version 6.1.8:
Bug #702 Error 'mailaccount_add_failed' when add email account
ToDo #728 Modified Apache conf structure for handling 'exclusive ip' and ip/~client
ToDo #729 Modified Lighttpd conf structure for handling 'exclusive ip' and ip/~client
Other #000 And some other small fixes.

New in version 6.1.9:
Bug #000 Run cleanup after new versions

  Kloxo 6.1.8 and 6.1.9 released