diff --git a/Makefile b/Makefile
index 698c0a719..069e8d701 100644
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ DESTDIR=
 # Flag for optimizations
 USEDEBIANLIBS=no
 PROD=$(USEDEBIANLIBS)
+USEEXTERNALLIBS=no
 
 # Compression
 JSCOMPRESS=$(PROD)
@@ -139,6 +140,8 @@ PORTALLIBSTOREMOVEFORDEBIAN=$(RPORTALSKINSDIR)/bootstrap/fonts \
 			$(RPORTALSKINSDIR)/bootstrap/js/bootstrap* \
 			$(RPORTALSKINSDIR)/common/js/jquery-* \
 			$(RPORTALSKINSDIR)/common/js/jquery.cookie*
+MANAGEREXTERNALLIBS=$(RMANAGERSTATICDIR)/bwr/
+PORTALEXTERNALLIBS=$(PORTALLIBSTOREMOVEFORDEBIAN) $(RPORTALSKINSDIR)/common/js/jquery*
 
 # GENERATED SRC FILESlemonldap-ng-common/lib/Lemonldap/NG/Common/Conf/DefaultValues.pm
 MANAGERJSONSRC= scripts/jsongenerator.pl \
@@ -447,10 +450,16 @@ install_manager_site:	install_conf_dir
 		$(RMANAGERTEMPLATESDIR)
 	@cp -pR $(SRCMANAGERDIR)/site/static/* $(RMANAGERSTATICDIR)
 	@for f in $(SRCMANAGERDIR)/site/templates/*.tpl; do \
-		./scripts/transform-templates usedebianlibs $(USEDEBIANLIBS) jsminified $(JSCOMPRESS) cssminified $(CSSCOMPRESS) <$$f \
+		./scripts/transform-templates \
+			usedebianlibs $(USEDEBIANLIBS) \
+			useexternallibs $(USEEXTERNALLIBS) \
+			jsminified $(JSCOMPRESS) \
+			cssminified $(CSSCOMPRESS) <$$f \
 			> $(RMANAGERTEMPLATESDIR)/`basename $$f`; \
 	done
-	@if test "$(USEDEBIANLIBS)" = "yes"; then \
+	@if test "$(USEEXTERNALLIBS)" = "yes"; then \
+		rm -rvf $(MANAGEREXTERNALLIBS) \
+	elif test "$(USEDEBIANLIBS)" = "yes"; then \
 		rm -rvf $(MANAGERLIBSTOREMOVEFORDEBIAN); \
 	fi
 	@cp -pR $(SRCMANAGERDIR)/eg/* $(RMANAGERPSGIDIR)
@@ -480,7 +489,9 @@ install_portal_site:	install_conf_dir
 		./scripts/transform-templates usedebianlibs $(USEDEBIANLIBS) jsminified $(JSCOMPRESS) cssminified $(CSSCOMPRESS) <$$f >$$f.tmp; \
 		mv -f $$f.tmp $$f; \
 	done
-	@if test "$(USEDEBIANLIBS)" = "yes"; then \
+	@if test "$(USEEXTERNALLIBS)" = "yes"; then \
+		rm -rvf $(PORTALEXTERNALLIBS) \
+	elif test "$(USEDEBIANLIBS)" = "yes"; then \
 		rm -rvf $(PORTALLIBSTOREMOVEFORDEBIAN); \
 	fi
 	@if [ "$(PORTALDIR)/skins/" != "$(PORTALSKINSDIR)/" ]; then \
diff --git a/lemonldap-ng-manager/site/templates/header.tpl b/lemonldap-ng-manager/site/templates/header.tpl
index bb6e5b374..c36463e99 100644
--- a/lemonldap-ng-manager/site/templates/header.tpl
+++ b/lemonldap-ng-manager/site/templates/header.tpl
@@ -11,6 +11,10 @@
   <link rel="stylesheet" type="text/css" href="/javascript/bootstrap/css/bootstrap.min.css" />
   <link rel="stylesheet" type="text/css" href="/javascript/bootstrap/css/bootstrap-theme.min.css" />
   <link rel="stylesheet" type="text/css" href="css/manager.min.css" />
+//elsif:useexternallibs
+  <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"></script>
+  <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css"></script>
+  <link rel="stylesheet" type="text/css" href="css/manager.min.css" />
 //elsif:cssminified
   <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="STATIC_PREFIX">bwr/bootstrap/dist/css/bootstrap.min.css" />
   <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="STATIC_PREFIX">bwr/bootstrap/dist/css/bootstrap-theme.min.css" />
diff --git a/lemonldap-ng-manager/site/templates/scripts.tpl b/lemonldap-ng-manager/site/templates/scripts.tpl
index b08978c24..8e82a10dc 100644
--- a/lemonldap-ng-manager/site/templates/scripts.tpl
+++ b/lemonldap-ng-manager/site/templates/scripts.tpl
@@ -39,6 +39,16 @@
 <script type="text/javascript" src="/javascript/angular.js/angular-animate.min.js"></script>
 <script type="text/javascript" src="<TMPL_VAR NAME="STATIC_PREFIX">bwr/angular-bootstrap/ui-bootstrap-tpls.min.js"></script>
 <script type="text/javascript" src="<TMPL_VAR NAME="STATIC_PREFIX">js/llApp.min.js"></script>
+//elsif:useexternallibs
+<script type="text/javascript" src="http://code.jquery.com/jquery-2.2.0.min.js"></script>
+<script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/es5-shim/4.4.1/es5-shim.min.js"></script>
+<script type="text/javascript" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.9/angular.min.js"></script>
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.9/angular-cookies.min.js"></script>
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-tree/2.13.0/angular-ui-tree.min.js"></script>
+<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.4.9/angular-animate.min.js"></script>
+<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/angular-ui-bootstrap/1.1.0/ui-bootstrap-tpls.min.js"></script>
+<script type="text/javascript" src="<TMPL_VAR NAME="STATIC_PREFIX">js/llApp.min.js"></script>
 //elsif:jsminified
 <script type="text/javascript" src="<TMPL_VAR NAME="STATIC_PREFIX">bwr/jquery/dist/jquery.min.js"></script>
 <script type="text/javascript" src="<TMPL_VAR NAME="STATIC_PREFIX">bwr/es5-shim/es5-shim.min.js"></script>
diff --git a/lemonldap-ng-portal/example/skins/bootstrap/header.tpl b/lemonldap-ng-portal/example/skins/bootstrap/header.tpl
index 4f33866ee..72dfbd726 100644
--- a/lemonldap-ng-portal/example/skins/bootstrap/header.tpl
+++ b/lemonldap-ng-portal/example/skins/bootstrap/header.tpl
@@ -10,16 +10,20 @@
   <meta http-equiv="X-UA-Compatible" content="IE=Edge">
  </TMPL_IF>
 <!-- //if:usedebianlibs
- <link href="/javascript/bootstrap/css/bootstrap.min.css" rel="stylesheet">
- <link href="/javascript/bootstrap/css/bootstrap-theme.min.css" rel="stylesheet">
+ <link rel="stylesheet" type="text/css" href="/javascript/bootstrap/css/bootstrap.min.css">
+ <link rel="stylesheet" type="text/css" href="/javascript/bootstrap/css/bootstrap-theme.min.css">
+ <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/styles.min.css" />
+//elsif:useexternallibs
+ <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"></script>
+ <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css"></script>
  <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/styles.min.css" />
 //elsif:cssminified
- <link href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap.min.css" rel="stylesheet">
- <link href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap-theme.min.css" rel="stylesheet">
+ <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap.min.css">
+ <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap-theme.min.css">
  <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/styles.min.css" />
 //else -->
- <link href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap.css" rel="stylesheet">
- <link href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap-theme.css" rel="stylesheet">
+ <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap.css" rel="stylesheet">
+ <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/bootstrap-theme.css">
  <link rel="stylesheet" type="text/css" href="<TMPL_VAR NAME="SKIN_PATH">/<TMPL_VAR NAME="SKIN">/css/styles.css" />
 <!-- //endif -->
  <TMPL_INCLUDE NAME="../common/background.tpl">
diff --git a/lemonldap-ng-portal/example/skins/common/script.tpl b/lemonldap-ng-portal/example/skins/common/script.tpl
index acb911c0d..9dcedc5ba 100644
--- a/lemonldap-ng-portal/example/skins/common/script.tpl
+++ b/lemonldap-ng-portal/example/skins/common/script.tpl
@@ -4,6 +4,11 @@
   <script type="text/javascript" src="/javascript/jquery-ui/jquery-ui.min.js"></script>
   <script type="text/javascript" src="<TMPL_VAR NAME="SKIN_PATH">/common/js/jquery.base64.min.js"></script>
   <script type="text/javascript" src="/javascript/jquery-cookie/jquery.cookie.min.js"></script>
+//elsif:useexternallibs
+  <script type="text/javascript" src="http://code.jquery.com/jquery-2.2.0.min.js"></script>
+  <script type="text/javascript" src="http://code.jquery.com/ui/1.10.4/jquery-ui.min.js"></script>
+  <script type="text/javascript" src="https://javascriptbase64.googlecode.com/files/base64.js"></script>
+  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
  //elsif:jsminified
   <script type="text/javascript" src="<TMPL_VAR NAME="SKIN_PATH">/common/js/jquery-1.10.2.min.js"></script>
   <script type="text/javascript" src="<TMPL_VAR NAME="SKIN_PATH">/common/js/jquery-ui-1.10.3.custom.min.js"></script>