It appears to be under the SIL Open Font License: <a href="http:&#x2F;&#x2F;scripts.sil.org&#x2F;cms&#x2F;scripts&#x2F;page.php?site_id=nrsi&amp;id=OFL" rel="nofollow">http:&#x2F;&#x2F;scripts.sil.org&#x2F;cms&#x2F;scripts&#x2F;page.php?site_id=nrsi&amp;id=...</a>