Nebula Sans is the new brand typeface for Nebula, the premium streaming service from independent creators. Based on Source Sans and designed to be a drop-in alternative to Whitney SSm, Nebula Sans is available for anyone to use under the SIL Open Font License. I&rsquo;ve always liked Whitney - I mocked up an early version of this site using it - but with a $2,400 license fee , it&rsquo;s just a…