diff -r bebdf1365369 -r 3e37d4dd8e3b src/pyams_content/shared/form/manager.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/shared/form/manager.py	Tue Jun 06 17:11:11 2017 +0200
@@ -0,0 +1,46 @@
+#
+# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+
+# import interfaces
+from pyams_content.shared.form.interfaces import IFormsManager, FORM_CONTENT_TYPE
+from zope.annotation.interfaces import IAttributeAnnotatable
+from zope.component.interfaces import ISite
+from zope.lifecycleevent.interfaces import IObjectAddedEvent
+
+# import packages
+from pyams_content.shared.common.manager import SharedTool
+from pyams_content.shared.form import Form
+from pyams_utils.traversing import get_parent
+from pyramid.events import subscriber
+from zope.interface import implementer
+
+
+@implementer(IFormsManager, IAttributeAnnotatable)
+class FormsManager(SharedTool):
+    """Forms manager class"""
+
+    shared_content_type = FORM_CONTENT_TYPE
+    shared_content_factory = Form
+
+
+@subscriber(IObjectAddedEvent, context_selector=IFormsManager)
+def handle_added_forms_manager(event):
+    """Register forms manager when added"""
+    site = get_parent(event.newParent, ISite)
+    registry = site.getSiteManager()
+    if registry is not None:
+        registry.registerUtility(event.object, IFormsManager)