Navs available in Bootstrap have shared markup, starting with the base .nav class, as well as shared states. Swap modifier classes to switch between each style.
Tabs
<ul class="nav nav-tabs">
<li role="presentation" class="active"><a href="#">Home</a></li>
<li role="presentation"><a href="#">Profile</a></li>
<li role="presentation"><a href="#">Messages</a></li>
</ul>
Pills
<ul class="nav nav-pills">
<li role="presentation" class="active"><a href="#">Home</a></li>
<li role="presentation"><a href="#">Profile</a></li>
<li role="presentation"><a href="#">Messages</a></li>
</ul>
Justified
<ul class="nav nav-tabs nav-justified">
...
</ul>
<ul class="nav nav-pills nav-justified">
...
</ul>
With Dropdowns
<ul class="nav nav-tabs">
<li role="presentation" class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">
Dropdown <span class="caret"></span>
</a>
<ul class="dropdown-menu">
...
</ul>
</li>
</ul>