Although a widely appreciated and used enterprise search platform Microsoft has decided that the FAST ESP will not be supported or further developed in the future. But the platform lives on integrated in the SharePoint Search!
Findwise has worked with FAST ESP since we started our journey in 2005 and has a great deal of knowledge and competence on the platform. We can still help our customers with upgrading, creating connectors, support etc.
For new Enterprise search customers we recommend one of our other technical platforms, for example Microsoft Search