diff --git a/src/main/scala/plugin/PluginSystem.scala b/src/main/scala/plugin/PluginSystem.scala
index db46a3d..1bda872 100644
--- a/src/main/scala/plugin/PluginSystem.scala
+++ b/src/main/scala/plugin/PluginSystem.scala
@@ -2,37 +2,48 @@
 
 import app.Context
 import javax.servlet.http.{HttpServletResponse, HttpServletRequest}
+import javax.script.ScriptEngineManager
 
 /**
  * Provides extension points to plug-ins.
  */
 object PluginSystem {
 
-  private val repositoryMenuList = scala.collection.mutable.ListBuffer[Menu]()
-  private val globalMenuList = scala.collection.mutable.ListBuffer[Menu]()
+  private val repositoryMenuList = scala.collection.mutable.ListBuffer[RepositoryMenu]()
+  private val globalMenuList = scala.collection.mutable.ListBuffer[GlobalMenu]()
   private val actionList = scala.collection.mutable.ListBuffer[Action]()
 
-  case class Menu(label: String, url: String, icon: String, condition: Context => Boolean)
+  case class GlobalMenu(label: String, url: String, icon: String, condition: Context => Boolean)
+  case class RepositoryMenu(label: String, name: String, url: String, icon: String, condition: Context => Boolean)
   case class Action(path: String, function: (HttpServletRequest, HttpServletResponse) => Any)
 
-  def addRepositoryMenu(label: String, url: String, icon: String = "")(condition: Context => Boolean): Unit = {
-    repositoryMenuList += Menu(label, url, icon, condition)
+  def addRepositoryMenu(label: String, name: String, url: String, icon: String = "")(condition: Context => Boolean): Unit = {
+    repositoryMenuList += RepositoryMenu(label, name, url, icon, condition)
   }
 
   def addGlobalMenu(label: String, url: String, icon: String = "")(condition: Context => Boolean): Unit = {
-    globalMenuList += Menu(label, url, icon, condition)
+    globalMenuList += GlobalMenu(label, url, icon, condition)
   }
 
   def addAction(path: String)(function: (HttpServletRequest, HttpServletResponse) => Any): Unit = {
     actionList += Action(path, function)
   }
 
-  lazy val repositoryMenus: List[Menu] = repositoryMenuList.toList
-  lazy val globalMenus: List[Menu] = globalMenuList.toList
+  def evaluateJavaScript(script: String): Unit = {
+    val engine = new ScriptEngineManager().getEngineByName("JavaScript")
+    engine.eval(script)
+  }
+
+  lazy val repositoryMenus: List[RepositoryMenu] = repositoryMenuList.toList
+  lazy val globalMenus: List[GlobalMenu] = globalMenuList.toList
   lazy val actions: List[Action] = actionList.toList
 
   // TODO This is a test
-  addGlobalMenu("Google", "http://www.google.co.jp/"){ context => context.loginAccount.isDefined }
+  addGlobalMenu("Google", "http://www.google.co.jp/", "data:image/png;base64,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")
+    { context => context.loginAccount.isDefined }
+
+  addRepositoryMenu("Board", "board", "/board", "data:image/png;base64,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")
+    { context => true}
 
   addAction("/hello"){ (request, response) =>
     "Hello World!"
diff --git a/src/main/twirl/main.scala.html b/src/main/twirl/main.scala.html
index 2889fbb..21bdc43 100644
--- a/src/main/twirl/main.scala.html
+++ b/src/main/twirl/main.scala.html
@@ -62,7 +62,7 @@
                 <a href="@url(loginAccount.get.userName)/_edit" class="menu" data-toggle="tooltip" data-placement="bottom" title="Account settings"><i class="icon-user"></i></a>
                 @plugin.PluginSystem.globalMenus.map { menu =>
                   @if(menu.condition(context)){
-                    <a href="@menu.url" class="menu" data-toggle="tooltip" data-placement="bottom" title="@menu.label">@menu.label</a>
+                    <a href="@menu.url" class="menu" data-toggle="tooltip" data-placement="bottom" title="@menu.label">@if(menu.icon.nonEmpty){<img src="@menu.icon" class="plugin-global-menu"/>} else {@menu.label}</a>
                   }
                 }
                 @if(loginAccount.get.isAdmin){
@@ -72,7 +72,7 @@
               } else {
                 @plugin.PluginSystem.globalMenus.map { menu =>
                   @if(menu.condition(context)){
-                    <a href="@menu.url" class="menu" data-toggle="tooltip" data-placement="bottom" title="@menu.label">@menu.label</a>
+                    <a href="@menu.url" class="menu" data-toggle="tooltip" data-placement="bottom" title="@menu.label">@if(menu.icon.nonEmpty){<img src="@menu.icon" class="plugin-global-menu"/>} else {@menu.label}</a>
                   }
                 }
                 <a href="@path/signin?redirect=@urlEncode(currentPath)" class="btn btn-last" id="signin">Sign in</a>
diff --git a/src/main/twirl/menu.scala.html b/src/main/twirl/menu.scala.html
index 49860cf..9b1581f 100644
--- a/src/main/twirl/menu.scala.html
+++ b/src/main/twirl/menu.scala.html
@@ -23,6 +23,13 @@
   </li>
 }
 
+@sidemenuPlugin(path: String, name: String, label: String, icon: String) = {
+  <li @if(active == name){class="active"}>
+    <div class="@if(active == name){margin} else {gradient} pull-left"></div>
+    <a href="@url(repository)@path"><img src="@icon"/>@if(expand){ @label}</a>
+  </li>
+}
+
 <div class="container">
   @if(repository.commitCount > 0){
     <div class="pull-right">
@@ -54,6 +61,11 @@
       @sidemenu("/issues", "issues", "Issues", repository.issueCount)
       @sidemenu("/pulls" , "pulls" , "Pull Requests", repository.pullCount)
       @sidemenu("/wiki"  , "wiki"  , "Wiki")
+      @plugin.PluginSystem.repositoryMenus.map { menu =>
+        @if(menu.condition(context)){
+          @sidemenuPlugin(menu.url, menu.label, menu.label, menu.icon)
+        }
+      }
       @if(loginAccount.isDefined && (loginAccount.get.isAdmin || repository.managers.contains(loginAccount.get.userName))){
         @sidemenu("/settings", "settings", "Settings")
       }
diff --git a/src/main/webapp/assets/common/css/gitbucket.css b/src/main/webapp/assets/common/css/gitbucket.css
index 211701b..c7bba4e 100644
--- a/src/main/webapp/assets/common/css/gitbucket.css
+++ b/src/main/webapp/assets/common/css/gitbucket.css
@@ -98,6 +98,13 @@
   padding-bottom: 6px;
 }
 
+img.plugin-global-menu {
+  width: 16px;
+  height: 16px;
+  position: relative;
+  top: -2px;
+}
+
 /* ======================================================================== */
 /* General Styles */
 /* ======================================================================== */