LxCenter hosts and develops two well known hosting panels.
HyperVM – a complete and distributed virtualization manager, thats handles a wast array of features from creating, starting and stopping containers over bandwidth graphs and client handling.
Kloxo – previously LxAdmin, a feature rich lightweight hosting control panel, packed with everything you need as a hosting company, and also available with the smallest industri overhead.
But products are available under AGPL 3.0. Free, flexible and open source.