The Developer Portal recently launched v8.1 "hosted" servers which contains Foundation w/ Utilities and Analytics server on a single server. The hosted trial server is available for 30 days.
Additionally, we also offer 120-day "downloadable" trials for Foundation Server w/ Utilities Industrial Connectivity.
Lastly, we offer a 120-day ThingWorx Trial Bundle which contains Foundation w/ Utilities, Analytics and Industrial Connectivity.
The trials can be accessed here.