Helpful method when you need to add some logic that figures out if the link (or more often navigation item) is selected based on the current page or other arbitrary condition

With the simple-navigation gem installed you can easily create multilevel navigations for your Rails, Sinatra or Padrino applications. The navigation is defined in a single configuration file. It supports automatic as well as explicit highlighting of the currently active navigation through regular expressions.

TabsOnRails is a simple Ruby on Rails plugin for creating tabs and navigation menu for a Rails project.

Tabulous provides an easy way to add tabs to your Rails application.

Use semantic structures to to build beautifully simple navigation structures in Rails

A plugin to make rails menus easier to write

simple-navigation-bootstrap is a simple-navigation renderer for twitter-bootstrap navigation and dropdowns.

simple_navigation_renderers gem adds renderers for Bootstrap 2 and 3. With these renderers you will be able create any bootstrap navigation elements, such as: submenu, navbar-text, divider, header. As well as add icons to menu elements, such as: gliphicons, font-awesome icons, even custom icons. Also you have split option for main menu containing submenu.

Rails Plugin to generate tabs

Plug-in to manage tabbed interfaces with ease in Ruby on Rails (or really any menu navigation)

Simply and customizable navigation in the Ruby on Rails 3 application. Predefined bootstrap renderers

Allows you to save menu items in the database. You can create your own renderer.

Adds a helper method for generating a menubar in Rails

Helpers for generating navigation bars

Rails Plugin for Managing and Rendering Menus

Ramenu is a simple Ruby on Rails plugin for creating and managing navigation menus for a Rails project.

Simple navigation menu gem for Ruby on Rails