diff --git a/lib/noosfero/plugin.rb b/lib/noosfero/plugin.rb
index 765c0c8..4d33221 100644
--- a/lib/noosfero/plugin.rb
+++ b/lib/noosfero/plugin.rb
@@ -1,4 +1,5 @@
 require_dependency 'noosfero'
+require 'noosfero/plugin/parent_methods'
 
 class Noosfero::Plugin
 
@@ -14,13 +15,9 @@ class Noosfero::Plugin
 
   class << self
 
-    attr_writer :should_load
+    include Noosfero::Plugin::ParentMethods
 
-    # Called for each ActiveRecord class with parents
-    # See http://apidock.com/rails/ActiveRecord/ModelSchema/ClassMethods/full_table_name_prefix
-    def table_name_prefix
-      @table_name_prefix ||= "#{name.to_s.underscore}_"
-    end
+    attr_writer :should_load
 
     def should_load
       @should_load.nil? && true || @boot
@@ -92,8 +89,14 @@ class Noosfero::Plugin
       end
     end
 
-    def load_plugin(plugin_name)
-      (plugin_name.to_s.camelize + 'Plugin').constantize
+    def load_plugin_identifier identifier
+      klass = identifier.to_s.camelize.constantize
+      klass = klass.const_get :Base if klass.class == Module
+      klass
+    end
+
+    def load_plugin public_name
+      load_plugin_identifier "#{public_name.to_s.camelize}Plugin"
     end
 
     # This is a generic method that initialize any possible filter defined by a
@@ -135,7 +138,7 @@ class Noosfero::Plugin
         filters = [filters]
       end
       filters.each do |plugin_filter|
-        filter_method = (plugin.name.underscore.gsub('/','_') + '_' + plugin_filter[:method_name]).to_sym
+        filter_method = "#{plugin.identifier}_#{plugin_filter[:method_name]}".to_sym
         controller_class.send(plugin_filter[:type], filter_method, (plugin_filter[:options] || {}))
         controller_class.send(:define_method, filter_method) do
           instance_exec(&plugin_filter[:block]) if environment.plugin_enabled?(plugin)
@@ -168,38 +171,6 @@ class Noosfero::Plugin
       @all ||= available_plugins.map{ |dir| (File.basename(dir) + "_plugin").camelize }
     end
 
-    def public_name
-      self.name.underscore.gsub('_plugin','')
-    end
-
-    def public_path file = '', relative=false
-      File.join "#{if relative then '' else  '/' end}plugins", public_name, file
-    end
-
-    def root_path
-      Rails.root.join('plugins', public_name)
-    end
-
-    def view_path
-      File.join(root_path,'views')
-    end
-
-    # Here the developer should specify the meta-informations that the plugin can
-    # inform.
-    def plugin_name
-      self.name.underscore.humanize
-    end
-    def plugin_description
-      _("No description informed.")
-    end
-
-    def admin_url
-      {:controller => "#{name.underscore}_admin", :action => 'index'}
-    end
-
-    def has_admin_url?
-      File.exists?(File.join(root_path, 'controllers', "#{name.underscore}_admin_controller.rb"))
-    end
   end
 
   def expanded_template(file_path, locals = {})
diff --git a/lib/noosfero/plugin/manager.rb b/lib/noosfero/plugin/manager.rb
index 322818d..673807e 100644
--- a/lib/noosfero/plugin/manager.rb
+++ b/lib/noosfero/plugin/manager.rb
@@ -76,7 +76,7 @@ class Noosfero::Plugin::Manager
 
   def enabled_plugins
     @enabled_plugins ||= (Noosfero::Plugin.all & environment.enabled_plugins).map do |plugin|
-      plugin.constantize.new(context)
+      Noosfero::Plugin.load_plugin_identifier(plugin).new context
     end
   end
 
diff --git a/lib/noosfero/plugin/parent_methods.rb b/lib/noosfero/plugin/parent_methods.rb
new file mode 100644
index 0000000..90f9f06
--- /dev/null
+++ b/lib/noosfero/plugin/parent_methods.rb
@@ -0,0 +1,62 @@
+class Noosfero::Plugin
+
+  # Plugins that are defined as modules should extend
+  # this module manually, for example:
+  #   module MyPlugin
+  #     extend Noosfero::Plugin::ParentMethods
+  #   end
+  module ParentMethods
+
+    def identifier
+      @identifier ||= (if self.parents.first.instance_of? Module then self.parents.first else self end).name.underscore
+    end
+
+    def public_name
+      @public_name ||= self.identifier.gsub '_plugin', ''
+    end
+
+    # Here the developer should specify the meta-informations that the plugin can
+    # inform.
+    def plugin_name
+      self.identifier.humanize
+    end
+    def plugin_description
+      _("No description informed.")
+    end
+
+    # Called for each ActiveRecord model with parents
+    # See http://apidock.com/rails/ActiveRecord/ModelSchema/ClassMethods/full_table_name_prefix
+    def table_name_prefix
+      @table_name_prefix ||= "#{self.identifier}_"
+    end
+
+    def public_path file = '', relative=false
+      File.join "#{if relative then '' else  '/' end}plugins", public_name, file
+    end
+
+    def root_path
+      Rails.root.join('plugins', public_name)
+    end
+
+    def view_path
+      File.join(root_path,'views')
+    end
+
+    def admin_url
+      {:controller => "#{self.identifier}_admin", :action => 'index'}
+    end
+
+    def has_admin_url?
+      File.exists?(File.join(root_path, 'controllers', "#{self.identifier}_admin_controller.rb"))
+    end
+
+    def controllers
+      @controllers ||= Dir.glob("#{self.root_path}/controllers/*/*").map do |controller_file|
+        next unless controller_file =~ /_controller.rb$/
+        controller = File.basename(controller_file).gsub(/.rb$/, '').camelize
+      end.compact
+    end
+
+  end
+
+end
diff --git a/test/unit/plugin_test.rb b/test/unit/plugin_test.rb
index ecf08ea..a7337a3 100644
--- a/test/unit/plugin_test.rb
+++ b/test/unit/plugin_test.rb
@@ -23,7 +23,7 @@ class PluginTest < ActiveSupport::TestCase
   end
 
   should 'returns empty hash for class method extra_blocks by default if no blocks are defined on plugin' do
-    
+
     class SomePlugin1 < Noosfero::Plugin
     end
 
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