app/views/open_conference_ware/authentications/sign_in.html.erb
<% auth_providers_with_partials.each do |provider| %>
<%= render provider.to_s %>
<% end %>
<% if auth_providers_without_partials.present? %>
<h3>Other Providers</h3>
<ul>
<% auth_providers_without_partials.each do |provider| %>
<li><%= link_to provider.to_s.titleize, auth_path(provider) %></li>
<% end %>
</ul>
<% end %>