diff --git a/public/css/gogs.css b/public/css/gogs.css
index 12b6d8b058..ce9f27e410 100755
--- a/public/css/gogs.css
+++ b/public/css/gogs.css
@@ -387,6 +387,12 @@ html, body {
 
 /* gogits user setting */
 
+#user-setting-nav {
+    background-color: #FFF;
+    border: 1px solid #CCC;
+    padding: 0;
+}
+
 #user-setting-nav > h4, #user-setting-container > h4, #user-setting-container > div > h4,
 #ssh-keys > h4, #user-delete > h4, #repo-setting-container .tab-pane > h4 {
     padding-bottom: 18px;
@@ -396,13 +402,14 @@ html, body {
 
 #user-setting-nav .list-group .list-group-item a {
     margin-left: 0;
-    padding: .6em;
+    padding: .6em 1.2em;
     font-size: 14px;
     color: #3B73AF;
 }
 
 #user-setting-nav .list-group .list-group-item {
     background-color: transparent;
+    margin-bottom: .6em;
 }
 
 #user-setting-nav .list-group .list-group-item-success a {
@@ -431,10 +438,60 @@ html, body {
     border-left: 4px solid #DD4B39;
 }
 
+#repo-setting-container{
+    padding-right: 0;
+}
+
 #repo-setting-container .form-horizontal label {
     line-height: 30px;
 }
 
+#repo-collab-list li.collab{
+    margin-bottom: .6em;
+}
+
+#repo-collab-list .avatar{
+    margin-right: 1em;
+    width: 40px;
+}
+
+#repo-collab-list a.member{
+    color: #444;
+}
+
+#repo-collab-list .remove-collab{
+    color: #DD4B39;
+}
+
+#repo-collab-form .dropdown-menu{
+    margin-left: 15px;
+    margin-top: 4px;
+    padding: 0;
+}
+
+#repo-collab-form .dropdown-menu li{
+    padding: 0 1em;
+    line-height: 36px;
+    cursor: pointer;
+    font-weight: bold;
+}
+
+#repo-collab-form .dropdown-menu li:hover{
+    background-color: #e8f0ff;
+}
+
+#repo-collab-form .dropdown-menu img{
+    width: 28px;
+    height: 28px;
+    margin-right: 1em;
+    vertical-align: middle;
+    margin-top: -3px;
+}
+
+#repo-collab-form .dropdown-menu ul{
+    margin-bottom: 0;
+}
+
 /* gogits user ssh keys */
 
 #ssh-keys .list-group-item {
@@ -649,6 +706,10 @@ html, body {
     padding: 0;
 }
 
+#repo-toolbar ul.navbar-right {
+    margin-right: 0;
+}
+
 .activity-list {
     font-size: 14px;
 }
diff --git a/public/js/app.js b/public/js/app.js
index 30e9d5d0bb..7d70b7fece 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -240,7 +240,7 @@ var Gogits = {
             }
         });
 
-        $(window).on('hashchange',function (e) {
+        $(window).on('hashchange', function (e) {
             var m = window.location.hash.match(/^#(L\d+)\-(L\d+)$/);
             var $list = $('.code-view ol.linenums > li');
             if (m) {
@@ -387,7 +387,7 @@ function initRepository() {
         var $clone = $('.clone-group-btn');
         if ($clone.length) {
             var $url = $('.clone-group-url');
-            $clone.find('button[data-link]').on("click",function (e) {
+            $clone.find('button[data-link]').on("click", function (e) {
                 var $this = $(this);
                 if (!$this.hasClass('btn-primary')) {
                     $clone.find('.input-group-btn .btn-primary').removeClass('btn-primary').addClass("btn-default");
@@ -408,7 +408,7 @@ function initRepository() {
         var $watch = $('#repo-watching'),
             watchLink = $watch.data("watch"),
             unwatchLink = $watch.data("unwatch");
-        $watch.on('click', '.to-watch',function () {
+        $watch.on('click', '.to-watch', function () {
             if ($watch.hasClass("watching")) {
                 return false;
             }
@@ -468,7 +468,7 @@ function initRepository() {
 function initInstall() {
     // database type change
     (function () {
-        var mysql_default    = '127.0.0.1:3306'
+        var mysql_default = '127.0.0.1:3306'
         var postgres_default = '127.0.0.1:5432'
 
         $('#install-database').on("change", function () {
@@ -585,6 +585,39 @@ function initRelease() {
     }());
 }
 
+function initRepoSetting() {
+    // repo member add
+    $('#repo-collaborator').on('keyup', function () {
+        var $this = $(this);
+        if (!$this.val()) {
+            $this.next().toggleHide();
+            return;
+        }
+        $.ajax({
+            url: '/api/v1/users/search?q=' + $this.val(),
+            dataType: "json",
+            success: function (json) {
+                if (json.ok && json.data) {
+                    var html = '';
+                    $.each(json.data, function (i, item) {
+                        html += '
 ' + item.username + '';
+                    });
+                    $this.next().toggleShow();
+                    $this.next().find('ul').html(html);
+                }else{
+                    $this.next().toggleHide();
+                }
+            }
+        });
+    }).on('focus', function () {
+        if (!$(this).val()) {
+            $(this).next().toggleHide();
+        }
+    }).next().on("click",'li',function(){
+        $('#repo-collaborator').val($(this).text());
+    });
+}
+
 (function ($) {
     $(function () {
         initCore();
@@ -607,5 +640,8 @@ function initRelease() {
         if ($('#release').length) {
             initRelease();
         }
+        if ($('#repo-setting-container').length) {
+            initRepoSetting();
+        }
     });
 })(jQuery);
diff --git a/routers/repo/repo.go b/routers/repo/repo.go
index 76964dff13..e82c6ae988 100644
--- a/routers/repo/repo.go
+++ b/routers/repo/repo.go
@@ -286,119 +286,6 @@ func authRequired(ctx *middleware.Context) {
 	ctx.HTML(401, fmt.Sprintf("status/401"))
 }
 
-func Setting(ctx *middleware.Context, params martini.Params) {
-	if !ctx.Repo.IsOwner {
-		ctx.Handle(404, "repo.Setting", nil)
-		return
-	}
-
-	ctx.Data["IsRepoToolbarSetting"] = true
-
-	var title string
-	if t, ok := ctx.Data["Title"].(string); ok {
-		title = t
-	}
-
-	ctx.Data["Title"] = title + " - settings"
-	ctx.HTML(200, "repo/setting")
-}
-
-func SettingPost(ctx *middleware.Context) {
-	if !ctx.Repo.IsOwner {
-		ctx.Error(404)
-		return
-	}
-
-	ctx.Data["IsRepoToolbarSetting"] = true
-
-	switch ctx.Query("action") {
-	case "update":
-		newRepoName := ctx.Query("name")
-		// Check if repository name has been changed.
-		if ctx.Repo.Repository.Name != newRepoName {
-			isExist, err := models.IsRepositoryExist(ctx.Repo.Owner, newRepoName)
-			if err != nil {
-				ctx.Handle(500, "repo.SettingPost(update: check existence)", err)
-				return
-			} else if isExist {
-				ctx.RenderWithErr("Repository name has been taken in your repositories.", "repo/setting", nil)
-				return
-			} else if err = models.ChangeRepositoryName(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name, newRepoName); err != nil {
-				ctx.Handle(500, "repo.SettingPost(change repository name)", err)
-				return
-			}
-			log.Trace("%s Repository name changed: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newRepoName)
-
-			ctx.Repo.Repository.Name = newRepoName
-		}
-
-		br := ctx.Query("branch")
-
-		if git.IsBranchExist(models.RepoPath(ctx.User.Name, ctx.Repo.Repository.Name), br) {
-			ctx.Repo.Repository.DefaultBranch = br
-		}
-		ctx.Repo.Repository.Description = ctx.Query("desc")
-		ctx.Repo.Repository.Website = ctx.Query("site")
-		ctx.Repo.Repository.IsPrivate = ctx.Query("private") == "on"
-		ctx.Repo.Repository.IsGoget = ctx.Query("goget") == "on"
-		if err := models.UpdateRepository(ctx.Repo.Repository); err != nil {
-			ctx.Handle(404, "repo.SettingPost(update)", err)
-			return
-		}
-		log.Trace("%s Repository updated: %s/%s", ctx.Req.RequestURI, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
-
-		if ctx.Repo.Repository.IsMirror {
-			if len(ctx.Query("interval")) > 0 {
-				var err error
-				ctx.Repo.Mirror.Interval, err = base.StrTo(ctx.Query("interval")).Int()
-				if err != nil {
-					log.Error("repo.SettingPost(get mirror interval): %v", err)
-				} else if err = models.UpdateMirror(ctx.Repo.Mirror); err != nil {
-					log.Error("repo.SettingPost(UpdateMirror): %v", err)
-				}
-			}
-		}
-
-		ctx.Flash.Success("Repository options has been successfully updated.")
-		ctx.Redirect(fmt.Sprintf("/%s/%s/settings", ctx.Repo.Owner.Name, ctx.Repo.Repository.Name))
-	case "transfer":
-		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
-			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
-			return
-		}
-
-		newOwner := ctx.Query("owner")
-		// Check if new owner exists.
-		isExist, err := models.IsUserExist(newOwner)
-		if err != nil {
-			ctx.Handle(500, "repo.SettingPost(transfer: check existence)", err)
-			return
-		} else if !isExist {
-			ctx.RenderWithErr("Please make sure you entered owner name is correct.", "repo/setting", nil)
-			return
-		} else if err = models.TransferOwnership(ctx.User, newOwner, ctx.Repo.Repository); err != nil {
-			ctx.Handle(500, "repo.SettingPost(transfer repository)", err)
-			return
-		}
-		log.Trace("%s Repository transfered: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newOwner)
-
-		ctx.Redirect("/")
-	case "delete":
-		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
-			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
-			return
-		}
-
-		if err := models.DeleteRepository(ctx.User.Id, ctx.Repo.Repository.Id, ctx.User.LowerName); err != nil {
-			ctx.Handle(500, "repo.Delete", err)
-			return
-		}
-		log.Trace("%s Repository deleted: %s/%s", ctx.Req.RequestURI, ctx.User.LowerName, ctx.Repo.Repository.LowerName)
-
-		ctx.Redirect("/")
-	}
-}
-
 func Action(ctx *middleware.Context, params martini.Params) {
 	var err error
 	switch params["action"] {
diff --git a/routers/repo/setting.go b/routers/repo/setting.go
new file mode 100644
index 0000000000..bb36260912
--- /dev/null
+++ b/routers/repo/setting.go
@@ -0,0 +1,144 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"fmt"
+	"github.com/gogits/git"
+	"github.com/gogits/gogs/models"
+	"github.com/gogits/gogs/modules/base"
+	"github.com/gogits/gogs/modules/log"
+	"github.com/gogits/gogs/modules/middleware"
+)
+
+func Setting(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Handle(404, "repo.Setting", nil)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	var title string
+	if t, ok := ctx.Data["Title"].(string); ok {
+		title = t
+	}
+
+	ctx.Data["Title"] = title + " - settings"
+	ctx.HTML(200, "repo/setting")
+}
+
+func SettingPost(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Error(404)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	switch ctx.Query("action") {
+	case "update":
+		newRepoName := ctx.Query("name")
+		// Check if repository name has been changed.
+		if ctx.Repo.Repository.Name != newRepoName {
+			isExist, err := models.IsRepositoryExist(ctx.Repo.Owner, newRepoName)
+			if err != nil {
+				ctx.Handle(500, "repo.SettingPost(update: check existence)", err)
+				return
+			} else if isExist {
+				ctx.RenderWithErr("Repository name has been taken in your repositories.", "repo/setting", nil)
+				return
+			} else if err = models.ChangeRepositoryName(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name, newRepoName); err != nil {
+				ctx.Handle(500, "repo.SettingPost(change repository name)", err)
+				return
+			}
+			log.Trace("%s Repository name changed: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newRepoName)
+
+			ctx.Repo.Repository.Name = newRepoName
+		}
+
+		br := ctx.Query("branch")
+
+		if git.IsBranchExist(models.RepoPath(ctx.User.Name, ctx.Repo.Repository.Name), br) {
+			ctx.Repo.Repository.DefaultBranch = br
+		}
+		ctx.Repo.Repository.Description = ctx.Query("desc")
+		ctx.Repo.Repository.Website = ctx.Query("site")
+		ctx.Repo.Repository.IsPrivate = ctx.Query("private") == "on"
+		ctx.Repo.Repository.IsGoget = ctx.Query("goget") == "on"
+		if err := models.UpdateRepository(ctx.Repo.Repository); err != nil {
+			ctx.Handle(404, "repo.SettingPost(update)", err)
+			return
+		}
+		log.Trace("%s Repository updated: %s/%s", ctx.Req.RequestURI, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
+
+		if ctx.Repo.Repository.IsMirror {
+			if len(ctx.Query("interval")) > 0 {
+				var err error
+				ctx.Repo.Mirror.Interval, err = base.StrTo(ctx.Query("interval")).Int()
+				if err != nil {
+					log.Error("repo.SettingPost(get mirror interval): %v", err)
+				} else if err = models.UpdateMirror(ctx.Repo.Mirror); err != nil {
+					log.Error("repo.SettingPost(UpdateMirror): %v", err)
+				}
+			}
+		}
+
+		ctx.Flash.Success("Repository options has been successfully updated.")
+		ctx.Redirect(fmt.Sprintf("/%s/%s/settings", ctx.Repo.Owner.Name, ctx.Repo.Repository.Name))
+	case "transfer":
+		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
+			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
+			return
+		}
+
+		newOwner := ctx.Query("owner")
+		// Check if new owner exists.
+		isExist, err := models.IsUserExist(newOwner)
+		if err != nil {
+			ctx.Handle(500, "repo.SettingPost(transfer: check existence)", err)
+			return
+		} else if !isExist {
+			ctx.RenderWithErr("Please make sure you entered owner name is correct.", "repo/setting", nil)
+			return
+		} else if err = models.TransferOwnership(ctx.User, newOwner, ctx.Repo.Repository); err != nil {
+			ctx.Handle(500, "repo.SettingPost(transfer repository)", err)
+			return
+		}
+		log.Trace("%s Repository transfered: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newOwner)
+
+		ctx.Redirect("/")
+	case "delete":
+		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
+			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
+			return
+		}
+
+		if err := models.DeleteRepository(ctx.User.Id, ctx.Repo.Repository.Id, ctx.User.LowerName); err != nil {
+			ctx.Handle(500, "repo.Delete", err)
+			return
+		}
+		log.Trace("%s Repository deleted: %s/%s", ctx.Req.RequestURI, ctx.User.LowerName, ctx.Repo.Repository.LowerName)
+
+		ctx.Redirect("/")
+	}
+}
+
+func Collaboration(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Handle(404, "repo.Setting", nil)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	var title string
+	if t, ok := ctx.Data["Title"].(string); ok {
+		title = t
+	}
+
+	ctx.Data["Title"] = title + " - collaboration"
+	ctx.HTML(200, "repo/collaboration")
+}
diff --git a/templates/repo/collaboration.tmpl b/templates/repo/collaboration.tmpl
new file mode 100644
index 0000000000..aea0aa4147
--- /dev/null
+++ b/templates/repo/collaboration.tmpl
@@ -0,0 +1,51 @@
+{{template "base/head" .}}
+{{template "base/navbar" .}}
+{{template "repo/nav" .}}
+{{template "repo/toolbar" .}}
+
' + item.username + '';
+                    });
+                    $this.next().toggleShow();
+                    $this.next().find('ul').html(html);
+                }else{
+                    $this.next().toggleHide();
+                }
+            }
+        });
+    }).on('focus', function () {
+        if (!$(this).val()) {
+            $(this).next().toggleHide();
+        }
+    }).next().on("click",'li',function(){
+        $('#repo-collaborator').val($(this).text());
+    });
+}
+
 (function ($) {
     $(function () {
         initCore();
@@ -607,5 +640,8 @@ function initRelease() {
         if ($('#release').length) {
             initRelease();
         }
+        if ($('#repo-setting-container').length) {
+            initRepoSetting();
+        }
     });
 })(jQuery);
diff --git a/routers/repo/repo.go b/routers/repo/repo.go
index 76964dff13..e82c6ae988 100644
--- a/routers/repo/repo.go
+++ b/routers/repo/repo.go
@@ -286,119 +286,6 @@ func authRequired(ctx *middleware.Context) {
 	ctx.HTML(401, fmt.Sprintf("status/401"))
 }
 
-func Setting(ctx *middleware.Context, params martini.Params) {
-	if !ctx.Repo.IsOwner {
-		ctx.Handle(404, "repo.Setting", nil)
-		return
-	}
-
-	ctx.Data["IsRepoToolbarSetting"] = true
-
-	var title string
-	if t, ok := ctx.Data["Title"].(string); ok {
-		title = t
-	}
-
-	ctx.Data["Title"] = title + " - settings"
-	ctx.HTML(200, "repo/setting")
-}
-
-func SettingPost(ctx *middleware.Context) {
-	if !ctx.Repo.IsOwner {
-		ctx.Error(404)
-		return
-	}
-
-	ctx.Data["IsRepoToolbarSetting"] = true
-
-	switch ctx.Query("action") {
-	case "update":
-		newRepoName := ctx.Query("name")
-		// Check if repository name has been changed.
-		if ctx.Repo.Repository.Name != newRepoName {
-			isExist, err := models.IsRepositoryExist(ctx.Repo.Owner, newRepoName)
-			if err != nil {
-				ctx.Handle(500, "repo.SettingPost(update: check existence)", err)
-				return
-			} else if isExist {
-				ctx.RenderWithErr("Repository name has been taken in your repositories.", "repo/setting", nil)
-				return
-			} else if err = models.ChangeRepositoryName(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name, newRepoName); err != nil {
-				ctx.Handle(500, "repo.SettingPost(change repository name)", err)
-				return
-			}
-			log.Trace("%s Repository name changed: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newRepoName)
-
-			ctx.Repo.Repository.Name = newRepoName
-		}
-
-		br := ctx.Query("branch")
-
-		if git.IsBranchExist(models.RepoPath(ctx.User.Name, ctx.Repo.Repository.Name), br) {
-			ctx.Repo.Repository.DefaultBranch = br
-		}
-		ctx.Repo.Repository.Description = ctx.Query("desc")
-		ctx.Repo.Repository.Website = ctx.Query("site")
-		ctx.Repo.Repository.IsPrivate = ctx.Query("private") == "on"
-		ctx.Repo.Repository.IsGoget = ctx.Query("goget") == "on"
-		if err := models.UpdateRepository(ctx.Repo.Repository); err != nil {
-			ctx.Handle(404, "repo.SettingPost(update)", err)
-			return
-		}
-		log.Trace("%s Repository updated: %s/%s", ctx.Req.RequestURI, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
-
-		if ctx.Repo.Repository.IsMirror {
-			if len(ctx.Query("interval")) > 0 {
-				var err error
-				ctx.Repo.Mirror.Interval, err = base.StrTo(ctx.Query("interval")).Int()
-				if err != nil {
-					log.Error("repo.SettingPost(get mirror interval): %v", err)
-				} else if err = models.UpdateMirror(ctx.Repo.Mirror); err != nil {
-					log.Error("repo.SettingPost(UpdateMirror): %v", err)
-				}
-			}
-		}
-
-		ctx.Flash.Success("Repository options has been successfully updated.")
-		ctx.Redirect(fmt.Sprintf("/%s/%s/settings", ctx.Repo.Owner.Name, ctx.Repo.Repository.Name))
-	case "transfer":
-		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
-			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
-			return
-		}
-
-		newOwner := ctx.Query("owner")
-		// Check if new owner exists.
-		isExist, err := models.IsUserExist(newOwner)
-		if err != nil {
-			ctx.Handle(500, "repo.SettingPost(transfer: check existence)", err)
-			return
-		} else if !isExist {
-			ctx.RenderWithErr("Please make sure you entered owner name is correct.", "repo/setting", nil)
-			return
-		} else if err = models.TransferOwnership(ctx.User, newOwner, ctx.Repo.Repository); err != nil {
-			ctx.Handle(500, "repo.SettingPost(transfer repository)", err)
-			return
-		}
-		log.Trace("%s Repository transfered: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newOwner)
-
-		ctx.Redirect("/")
-	case "delete":
-		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
-			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
-			return
-		}
-
-		if err := models.DeleteRepository(ctx.User.Id, ctx.Repo.Repository.Id, ctx.User.LowerName); err != nil {
-			ctx.Handle(500, "repo.Delete", err)
-			return
-		}
-		log.Trace("%s Repository deleted: %s/%s", ctx.Req.RequestURI, ctx.User.LowerName, ctx.Repo.Repository.LowerName)
-
-		ctx.Redirect("/")
-	}
-}
-
 func Action(ctx *middleware.Context, params martini.Params) {
 	var err error
 	switch params["action"] {
diff --git a/routers/repo/setting.go b/routers/repo/setting.go
new file mode 100644
index 0000000000..bb36260912
--- /dev/null
+++ b/routers/repo/setting.go
@@ -0,0 +1,144 @@
+// Copyright 2014 The Gogs Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"fmt"
+	"github.com/gogits/git"
+	"github.com/gogits/gogs/models"
+	"github.com/gogits/gogs/modules/base"
+	"github.com/gogits/gogs/modules/log"
+	"github.com/gogits/gogs/modules/middleware"
+)
+
+func Setting(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Handle(404, "repo.Setting", nil)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	var title string
+	if t, ok := ctx.Data["Title"].(string); ok {
+		title = t
+	}
+
+	ctx.Data["Title"] = title + " - settings"
+	ctx.HTML(200, "repo/setting")
+}
+
+func SettingPost(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Error(404)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	switch ctx.Query("action") {
+	case "update":
+		newRepoName := ctx.Query("name")
+		// Check if repository name has been changed.
+		if ctx.Repo.Repository.Name != newRepoName {
+			isExist, err := models.IsRepositoryExist(ctx.Repo.Owner, newRepoName)
+			if err != nil {
+				ctx.Handle(500, "repo.SettingPost(update: check existence)", err)
+				return
+			} else if isExist {
+				ctx.RenderWithErr("Repository name has been taken in your repositories.", "repo/setting", nil)
+				return
+			} else if err = models.ChangeRepositoryName(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name, newRepoName); err != nil {
+				ctx.Handle(500, "repo.SettingPost(change repository name)", err)
+				return
+			}
+			log.Trace("%s Repository name changed: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newRepoName)
+
+			ctx.Repo.Repository.Name = newRepoName
+		}
+
+		br := ctx.Query("branch")
+
+		if git.IsBranchExist(models.RepoPath(ctx.User.Name, ctx.Repo.Repository.Name), br) {
+			ctx.Repo.Repository.DefaultBranch = br
+		}
+		ctx.Repo.Repository.Description = ctx.Query("desc")
+		ctx.Repo.Repository.Website = ctx.Query("site")
+		ctx.Repo.Repository.IsPrivate = ctx.Query("private") == "on"
+		ctx.Repo.Repository.IsGoget = ctx.Query("goget") == "on"
+		if err := models.UpdateRepository(ctx.Repo.Repository); err != nil {
+			ctx.Handle(404, "repo.SettingPost(update)", err)
+			return
+		}
+		log.Trace("%s Repository updated: %s/%s", ctx.Req.RequestURI, ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
+
+		if ctx.Repo.Repository.IsMirror {
+			if len(ctx.Query("interval")) > 0 {
+				var err error
+				ctx.Repo.Mirror.Interval, err = base.StrTo(ctx.Query("interval")).Int()
+				if err != nil {
+					log.Error("repo.SettingPost(get mirror interval): %v", err)
+				} else if err = models.UpdateMirror(ctx.Repo.Mirror); err != nil {
+					log.Error("repo.SettingPost(UpdateMirror): %v", err)
+				}
+			}
+		}
+
+		ctx.Flash.Success("Repository options has been successfully updated.")
+		ctx.Redirect(fmt.Sprintf("/%s/%s/settings", ctx.Repo.Owner.Name, ctx.Repo.Repository.Name))
+	case "transfer":
+		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
+			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
+			return
+		}
+
+		newOwner := ctx.Query("owner")
+		// Check if new owner exists.
+		isExist, err := models.IsUserExist(newOwner)
+		if err != nil {
+			ctx.Handle(500, "repo.SettingPost(transfer: check existence)", err)
+			return
+		} else if !isExist {
+			ctx.RenderWithErr("Please make sure you entered owner name is correct.", "repo/setting", nil)
+			return
+		} else if err = models.TransferOwnership(ctx.User, newOwner, ctx.Repo.Repository); err != nil {
+			ctx.Handle(500, "repo.SettingPost(transfer repository)", err)
+			return
+		}
+		log.Trace("%s Repository transfered: %s/%s -> %s", ctx.Req.RequestURI, ctx.User.Name, ctx.Repo.Repository.Name, newOwner)
+
+		ctx.Redirect("/")
+	case "delete":
+		if len(ctx.Repo.Repository.Name) == 0 || ctx.Repo.Repository.Name != ctx.Query("repository") {
+			ctx.RenderWithErr("Please make sure you entered repository name is correct.", "repo/setting", nil)
+			return
+		}
+
+		if err := models.DeleteRepository(ctx.User.Id, ctx.Repo.Repository.Id, ctx.User.LowerName); err != nil {
+			ctx.Handle(500, "repo.Delete", err)
+			return
+		}
+		log.Trace("%s Repository deleted: %s/%s", ctx.Req.RequestURI, ctx.User.LowerName, ctx.Repo.Repository.LowerName)
+
+		ctx.Redirect("/")
+	}
+}
+
+func Collaboration(ctx *middleware.Context) {
+	if !ctx.Repo.IsOwner {
+		ctx.Handle(404, "repo.Setting", nil)
+		return
+	}
+
+	ctx.Data["IsRepoToolbarSetting"] = true
+
+	var title string
+	if t, ok := ctx.Data["Title"].(string); ok {
+		title = t
+	}
+
+	ctx.Data["Title"] = title + " - collaboration"
+	ctx.HTML(200, "repo/collaboration")
+}
diff --git a/templates/repo/collaboration.tmpl b/templates/repo/collaboration.tmpl
new file mode 100644
index 0000000000..aea0aa4147
--- /dev/null
+++ b/templates/repo/collaboration.tmpl
@@ -0,0 +1,51 @@
+{{template "base/head" .}}
+{{template "base/navbar" .}}
+{{template "repo/nav" .}}
+{{template "repo/toolbar" .}}
+
+    
+
+    
+        {{template "base/alert" .}}
+        
+            
+                Collaborators
+            
+            
+            
+        
+
+    
+
-    
+    
 
-    
+    
         {{template "base/alert" .}}
         
             
diff --git a/web.go b/web.go
index 962764af5d..49ad004008 100644
--- a/web.go
+++ b/web.go
@@ -121,10 +121,10 @@ func runWeb(*cli.Context) {
 	m.Get("/user/:username", ignSignIn, user.Profile)
 
 	m.Group("/repo", func(r martini.Router) {
-		m.Get("/create", repo.Create)
-		m.Post("/create", bindIgnErr(auth.CreateRepoForm{}), repo.CreatePost)
-		m.Get("/migrate", repo.Migrate)
-		m.Post("/migrate", bindIgnErr(auth.MigrateRepoForm{}), repo.MigratePost)
+		r.Get("/create", repo.Create)
+		r.Post("/create", bindIgnErr(auth.CreateRepoForm{}), repo.CreatePost)
+		r.Get("/migrate", repo.Migrate)
+		r.Post("/migrate", bindIgnErr(auth.MigrateRepoForm{}), repo.MigratePost)
 	}, reqSignIn)
 
 	adminReq := middleware.Toggle(&middleware.ToggleOptions{SignInRequire: true, AdminRequire: true})
@@ -150,6 +150,7 @@ func runWeb(*cli.Context) {
 	m.Group("/:username/:reponame", func(r martini.Router) {
 		r.Get("/settings", repo.Setting)
 		r.Post("/settings", repo.SettingPost)
+		r.Get("/collaboration", repo.Collaboration)
 		r.Get("/action/:action", repo.Action)
 		r.Get("/issues/new", repo.CreateIssue)
 		r.Post("/issues/new", bindIgnErr(auth.CreateIssueForm{}), repo.CreateIssuePost)