Offer OVH Public Cloud servers and let your clients handle their own virtual machines remotely.
Resell Dedicated Servers Completely Free Through ReliableSite
Add CentosWebPanel servers to your whmcs
A Provisioning Module For WHMCS For OpenNebula
Full Feature Server Monitoring Service
Offer VPS products to your customers, with Full Automation based on Proxmox KVM, LXC and OpenVZ Virtualization through Modules Factory WHMCS Module with FULL control within Client Area. Module Support KVM Auto OS install and Auto IP through DHCP.
CloudFlare WHMCS module is an amazing module which allows CloudFlare users to add and manage website of their clients via WHMCS.
VMPanel is a powerful web based VMware Esx/Esxi Control Panel + WHMCS addon
Sell all ResellerClub products easily from WHMCS. One time payment, Lifetime updates!
Sell shared hosting using Server Pilot control panel
easy to use VPN reseller module to reseller whitelabel VPN accounts to your customers
Leaseweb Server Automation
Leaseweb VPS Automation
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.
Teamspeak 3 server provisioning addon
http://www.leaseweb.com/en server management addon