Go to searchsmart.org.

Select your field of research and click on "Start comparison."

Search Smart will give you a list of databases relevant to your field. The most relevant will be ranked at the top.

You can locate the databases that provide the most coverage of a particular topic e.g. Covid-19.

To do so:

• Select "Keywords"

• Click "Edit keywords"

• Select "covid-19"

• Click "Select keywords"

• Click "Start comparison"

You can also select "search functionalities" that the databases support. E.g.Select "Forward citation searching" for databases of clinical trials.

If you have any questions about Search Smart,  ask @wesearchsmart

Make sure you select 'only show non-paywalled databases' which show those with freely accessible search interface. The number of open access records will vary. 

(This information was shared by Mushtaq Bilal on Twitter.)

Searchsmart tutorials can be helpful.

Library databases work differently from Google. Learn how to create a search strategy for these databases by watching this video from The University of Arizona Libraries.

Test your knowledge of search strategies for library databases.

Watch more search tutorials from The University of Arizona Libraries.

Using Google's Connected Papers, you can explore academic papers in a visual graph.

With a free account, you can create up to 5 graphs a month.