http://www.cloudberrylab.com/ backup provisioning addon
Livedrive.com Cloud Storage Backup Solution for home and business backups
Mumble server provisioning addon
Manage your online.net dedicated server using whmcs.
http://www.leaseweb.com/en server management addon
Sell LiteSpeed more easily by connecting WHMCS to LiteSpeed's licensing server. Reflect customers’ actions automatically in your LiteSpeed account. Easily organize and control your LiteSpeed licenses from WHMCS.
An easy to use and completely automated Website and Database Backup service with Blacklist monitoring and Website Availability Monitoring
A cloud services aggregator that works across public and private clouds
An easy to use and completely automated VPS, Dedicated and Cloud Server Backup service
The OpenSRS SSL module allows you to manage SSL certificates within WHMCS.
This module allows liveconfig partners to sell licenses directly via WHMCS.
Provide web hosting accounts automatically and allow their management in your client area.
Automate the provisioning of complete products with server resources to your resellers.
Supply clients with cloud servers and enable their management without leaving your website.
Provision SolidCP accounts and allow your clients to manage them in the client area.
Sell and Manage Trustico® SSL products from your WHMCS
Enable automatic provisioning and management of virtual private servers by Virtuozzo.
Automate provisioning and introduce remote management of bare metal servers.
This Module Allow users to Sell Cloud Storage Products in WHMCS using SeaFile Infrastructure Backend.