This blog post[1] explains the motivation behind the name change (and moving the project to the EFF).<p>[1]: <a href="https:&#x2F;&#x2F;letsencrypt.org&#x2F;2016&#x2F;03&#x2F;09&#x2F;le-client-new-home.html" rel="nofollow">https:&#x2F;&#x2F;letsencrypt.org&#x2F;2016&#x2F;03&#x2F;09&#x2F;le-client-new-home.html</a>