of the interface libraries which provide pre-built components.  Advanced developers might want to look at <a href="#low_level">Low Level Libraries</a> and/or participate in the <a href="#solidos">Solid OS project</a>.</p>

<ul>
  <li><a name="authentication"><strong>Authentication &amp; Access Control Libraries</strong></a>
    <ul>
      <li><a href="https://github.com/solid/acl-check">ACL Check</a> - check Web Access Control ACLs</li>
      <li><a href="https://github.com/inrupt/solid-client-authn-js">Inr