From an image posted by Richard Devine on Facebook it seems that users logging into their Camel Audio accounts are greeted with a message saying;

We would like to thank you for the support we’ve received in our efforts to create instruments and effects plug-ins and sound libraries.

Camel Audio’s plug-ins, Alchemy Mobile IAPs and sound libraries are no longer available for purchase. We will continue to provide downloads of your previous purchases and email support until July 7, 2015.

It’s always a sad day when a developer has to close, esepcially one as respected as Camel Audio