Yes, we have released new versions of FotoStation 8.0 which is compatible with El Capitan.
If you have FotoStation Pro or FotoStation Client, you can download the latest version here.
Note that FotoStation 8.0 requires Index Manager 8.0, so we recommend that you upgrade your servers before starting to deploy El Capitan in your organization. We do not have plans to release updates to FotoStation 7.0 for El Capitan.
If you have purchased FotoStation on fotostation.com, download the latest version here.