Oracle has changed Solaris 10 license from “free to use” to “90 days trial”
Expect trials for Java SE, MySQL and some “light” versions barely working you can get for free:
Now, with its acquisition of Sun finalized, it seems that Oracle has appended this sentence to the license paragraph above:
Please remember, your right to use Solaris acquired as a download is limited to a trial of 90 days, unless you acquire a service contract for the downloaded Software.