Services such as JustWatch attempt to aggregate the content the major subscription services are serving. However, they are not always perfect, and it is best to double-check against the specific services as well.
In addition to these, IMDb will often list upcoming TV broadcasts of movies and shows, as well as provide links to content on Amazon (although that content is not guaranteed to be free for Prime customers).
Other streaming Options
UT students and faculty are encouraged to join the Hillsborough County Public Library Cooperative (HCPLC). HCPLC offers a large selection of streaming videos and ebooks, many of which are not available at the Macdonald-Kelce Library. If you are looking for a feature film or popular novel, join the Hillsborough Public Library by signing up for a free library card.