diff --git a/app/controllers/backoffice/preference_list_dossier_controller.rb b/app/controllers/backoffice/preference_list_dossier_controller.rb
index 39ddba55d..5ab0391ce 100644
--- a/app/controllers/backoffice/preference_list_dossier_controller.rb
+++ b/app/controllers/backoffice/preference_list_dossier_controller.rb
@@ -18,7 +18,7 @@ class Backoffice::PreferenceListDossierController < Backoffice::DossiersListCont
         procedure_id: params_procedure_id
     )
 
-    render partial: 'backoffice/dossiers/pref_list', formats: :js
+    render partial: path, formats: :js
   end
 
   def reload_pref_list
@@ -30,11 +30,15 @@ class Backoffice::PreferenceListDossierController < Backoffice::DossiersListCont
   def delete
     PreferenceListDossier.delete(params[:pref_id])
 
-    render partial: 'backoffice/dossiers/pref_list', formats: :js
+    render partial: path, formats: :js
   end
 
   private
 
+  def path
+    Features.opensimplif ? 'opensimplif/pref_list' : 'backoffice/dossiers/pref_list'
+  end
+
   def params_procedure_id
     @procedure_id ||= params[:procedure_id]
   end
diff --git a/app/controllers/opensimplif_controller.rb b/app/controllers/opensimplif_controller.rb
new file mode 100644
index 000000000..ff5305427
--- /dev/null
+++ b/app/controllers/opensimplif_controller.rb
@@ -0,0 +1,61 @@
+class OpensimplifController < Backoffice::Dossiers::ProcedureController
+  def index
+    if params[:id].nil?
+      procedure = current_gestionnaire.procedures.order('libelle ASC').first
+
+      if procedure.nil?
+        return redirect_to simplifications_nothing_path
+      else
+        return redirect_to simplification_path(id: procedure.id)
+      end
+    end
+
+    smartlisting_dossier
+  end
+
+  def nothing
+
+  end
+
+  def reload_smartlisting
+    smartlisting_dossier
+
+    render 'opensimplif/index', formats: :js
+  end
+
+  private
+
+  def smartlisting_dossier dossiers_list=nil, liste='all_state'
+    dossiers_list_facade liste
+
+    mes_dossiers_list = current_user.dossiers
+    follow_dossiers_list = dossiers_list_facade.service.suivi
+    all_state_dossiers_list = dossiers_list_facade.service.all_state
+
+    if param_page.nil?
+      params[:dossiers_smart_listing] = {page: dossiers_list_facade.service.default_page}
+    end
+
+    smart_listing_create :mes_dossiers,
+                         mes_dossiers_list,
+                         partial: "backoffice/dossiers/list",
+                         array: true,
+                         default_sort: dossiers_list_facade.service.default_sort
+
+    smart_listing_create :follow_dossiers,
+                         follow_dossiers_list,
+                         partial: "backoffice/dossiers/list",
+                         array: true,
+                         default_sort: dossiers_list_facade.service.default_sort
+
+    smart_listing_create :all_state_dossiers,
+                         all_state_dossiers_list,
+                         partial: "backoffice/dossiers/list",
+                         array: true,
+                         default_sort: dossiers_list_facade.service.default_sort
+  end
+
+  def dossiers_list_facade liste='all_state'
+    @facade_data_view ||= DossiersListFacades.new current_gestionnaire, liste, retrieve_procedure
+  end
+end
diff --git a/app/controllers/root_controller.rb b/app/controllers/root_controller.rb
index 0878b7b94..41a1151f9 100644
--- a/app/controllers/root_controller.rb
+++ b/app/controllers/root_controller.rb
@@ -2,6 +2,12 @@ class RootController < ApplicationController
   def index
     route = Rails.application.routes.recognize_path(request.referrer)
 
+    if Features.opensimplif
+      unless !user_signed_in? && !administrateur_signed_in? && !gestionnaire_signed_in?
+        return redirect_to simplifications_path
+      end
+    end
+
     if user_signed_in? && !route[:controller].match('users').nil?
       return redirect_to users_dossiers_path
 
diff --git a/app/controllers/users/sessions_controller.rb b/app/controllers/users/sessions_controller.rb
index 33e91c7a9..979c8887d 100644
--- a/app/controllers/users/sessions_controller.rb
+++ b/app/controllers/users/sessions_controller.rb
@@ -29,6 +29,8 @@ class Users::SessionsController < Sessions::SessionsController
       current_user.update_attributes(loged_in_with_france_connect: '')
     end
 
+    check_opensimplif if Features.opensimplif
+
     if user_signed_in?
       redirect_to after_sign_in_path_for(:user)
     elsif gestionnaire_signed_in?
@@ -72,6 +74,18 @@ class Users::SessionsController < Sessions::SessionsController
 
   private
 
+  def check_opensimplif
+    return if (user_signed_in? && gestionnaire_signed_in?) || administrateur_signed_in?
+
+    if gestionnaire_signed_in?
+      User.create email: params[:user][:email], password: params[:user][:password]
+      try_to_authenticate User
+    elsif user_signed_in?
+      Gestionnaire.create email: params[:user][:email], password: params[:user][:password]
+      try_to_authenticate Gestionnaire
+    end
+  end
+
   def error_procedure
     flash.alert = t('errors.messages.procedure_not_found')
     redirect_to url_for root_path
diff --git a/app/views/backoffice/dossiers/_list.html.haml b/app/views/backoffice/dossiers/_list.html.haml
index c1e24a65f..48be129a5 100644
--- a/app/views/backoffice/dossiers/_list.html.haml
+++ b/app/views/backoffice/dossiers/_list.html.haml
@@ -3,8 +3,9 @@
     - if smart_listing.name.to_s == 'follow_dossiers'
       %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1.center
         %i.fa.fa-bell
-    %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
-      État
+    - unless Features.opensimplif
+      %th.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
+        État
 
     - @facade_data_view.preference_list_dossiers_filter.each do |preference|
       - unless preference.libelle == 'Statut' || preference.libelle == 'État'
@@ -32,8 +33,9 @@
             - else
               .badge.progress-bar-warning
                 = total_notif
-        %td.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
-          = dossier.decorate.display_state
+        - unless Features.opensimplif
+          %td.col-md-1.col-lg-1.col-sm-1.col-xs-1.col-sm-1.col-xs-1
+            = dossier.decorate.display_state
         - @facade_data_view.preference_list_dossiers_filter.each_with_index do |preference, index|
           - unless preference.libelle == 'Statut' || preference.libelle == 'État'
             %td
@@ -60,7 +62,7 @@
           = dossier.total_follow
 
 = smart_listing.paginate
-- if smart_listing.name.to_s == 'follow_dossiers'
+- if smart_listing.name.to_s == 'follow_dossiers' && smart_listing.collection.count > 0
   = smart_listing.pagination_per_page_links
   %br
 
diff --git a/app/views/backoffice/dossiers/search.js.erb b/app/views/backoffice/dossiers/search.js.erb
index 2f95cb389..40a10160d 100644
--- a/app/views/backoffice/dossiers/search.js.erb
+++ b/app/views/backoffice/dossiers/search.js.erb
@@ -1,3 +1,4 @@
 <%= smart_listing_update :search %>
 
-filters_init();
\ No newline at end of file
+filters_init();
+link_init();
\ No newline at end of file
diff --git a/app/views/dossiers/_infos_dossier.html.haml b/app/views/dossiers/_infos_dossier.html.haml
index bade9cde2..7158949e1 100644
--- a/app/views/dossiers/_infos_dossier.html.haml
+++ b/app/views/dossiers/_infos_dossier.html.haml
@@ -34,17 +34,17 @@
         - else
           .row
             %div.col-md-6.col-sm-6.col-xs-6.col-lg-6.depositaire-label= champ.libelle
-            - if Features.opensimplif
-              %div.col-md-1.col-lg-1.col-sm-1.col-xs-1.comments
-                - if gestionnaire_signed_in?
-                  = link_to "", "data-href" => backoffice_dossier_commentaires_path(@facade.dossier, champs_id: champ.id), "data-toggle" => "modal", "data-target" => "#modalCommentairesDossierParChamp" do
-                    %i.fa.fa-comment-o
-                - else
-                  = link_to "", "data-href" => users_dossier_commentaires_path(@facade.dossier, champs_id: champ.id), "data-toggle" => "modal", "data-target" => "#modalCommentairesDossierParChamp" do
-                    %i.fa.fa-commenting-o
-            - else
-              %div.col-md-1.col-lg-1.col-sm-1.col-xs-1.comments-off
-                = "-"
+            -#- if Features.opensimplif
+            -#  %div.col-md-1.col-lg-1.col-sm-1.col-xs-1.comments
+            -#    - if gestionnaire_signed_in?
+            -#      = link_to "", "data-href" => backoffice_dossier_commentaires_path(@facade.dossier, champs_id: champ.id), "data-toggle" => "modal", "data-target" => "#modalCommentairesDossierParChamp" do
+            -#        %i.fa.fa-comment-o
+            -#    - else
+            -#      = link_to "", "data-href" => users_dossier_commentaires_path(@facade.dossier, champs_id: champ.id), "data-toggle" => "modal", "data-target" => "#modalCommentairesDossierParChamp" do
+            -#        %i.fa.fa-commenting-o
+            -#- else
+            %div.col-md-1.col-lg-1.col-sm-1.col-xs-1.comments-off
+              = "-"
             %div.col-md-5.col-sm-5.col-xs-5.col-lg-5.depositaire-info{ id: "champ-#{champ.id}-value" }
               - unless champ.decorate.value.blank?
                 = champ.decorate.value.html_safe
diff --git a/app/views/layouts/_switch_devise_profile_module.html.haml b/app/views/layouts/_switch_devise_profile_module.html.haml
index c8f3e6705..57a11fdd7 100644
--- a/app/views/layouts/_switch_devise_profile_module.html.haml
+++ b/app/views/layouts/_switch_devise_profile_module.html.haml
@@ -1,4 +1,4 @@
-- if SwitchDeviseProfileService.new(warden).multiple_devise_profile_connect?
+- if SwitchDeviseProfileService.new(warden).multiple_devise_profile_connect? && !Features.opensimplif
   #switch_menu.dropdown.dropup
     %button.btn.btn-default.dropdown-toggle{ type: :button, 'data-toggle' => 'dropdown', 'aria-haspopup' => true, 'aria-expanded' => false}
       %i.fa.fa-toggle-on
diff --git a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
index b6a95367c..84864759c 100644
--- a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_index.html.haml
@@ -2,9 +2,10 @@
   %div.dossiers-en-cours
     .count= @facade_data_view.total_dossier_follow
     .text= "SUIVIS"
-  %div.nouveaux-dossiers
-    .count= @facade_data_view.total_new_dossier
-    .text= "NOUVEAUX"
+  - unless Features.opensimplif
+    %div.nouveaux-dossiers
+      .count= @facade_data_view.total_new_dossier
+      .text= "NOUVEAUX"
   %div.nouvelles-notifications
     .count= @facade_data_view.dossiers_with_unread_notifications.count
     .text= "MODIFIÉS"
@@ -21,11 +22,14 @@
   %div.split-hr-left
   #procedure_list
     - @facade_data_view.gestionnaire_procedures_name_and_id_list.each do |procedure|
-      = link_to backoffice_dossiers_procedure_path(procedure[:id]), {title: procedure[:libelle]} do
+
+      - url_path = Features.opensimplif ? simplification_path(procedure[:id]) : backoffice_dossiers_procedure_path(procedure[:id])
+
+      = link_to url_path, {title: procedure[:libelle]} do
         %div.procedure_list_element{ class: ('active' if procedure[:id] == @facade_data_view.procedure.id rescue '') }
           = truncate(procedure[:libelle], length: 50)
           - total_new = @facade_data_view.new_dossier_number procedure[:id]
-          - if total_new > 0
+          - if total_new > 0 && !Features.opensimplif
             .badge.progress-bar-success{title:'Nouveaux dossiers'}
               = total_new
           -if procedure[:unread_notifications] > 0
diff --git a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
index ed3effe90..67f164445 100644
--- a/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
+++ b/app/views/layouts/left_panels/_left_panel_backoffice_dossierscontroller_show.html.haml
@@ -2,32 +2,34 @@
   %div.infos
     #dossier_id= t('dynamics.dossiers.numéro') + @facade.dossier.id.to_s
 
-%div#action-block
-  - if gestionnaire_signed_in?
-    - if !@facade.dossier.read_only?
-      = form_tag(url_for({controller: 'backoffice/dossiers', action: :valid, dossier_id: @facade.dossier.id}), class: 'form-inline', method: 'POST') do
-        %button.action{'data-toggle' => :tooltip, title: 'En cliquant ici, vous figez le dossier et autorisez le dépôt du dossier pour instruction.'}
-          = 'Déclarer complet'.upcase
-    - elsif @facade.dossier.submitted?
-      = form_tag(url_for({controller: 'backoffice/dossiers', action: :receive, dossier_id: @facade.dossier.id}), class: 'form-inline', method: 'POST') do
-        %button.action
-          = 'Accuser réception'.upcase
-    - elsif @facade.dossier.received?
-      = form_tag(url_for({controller: 'backoffice/dossiers', action: :close, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Accepter') do
-        %button.action.close-dossier
-          %i.fa.fa-check
-      = form_tag(url_for({controller: 'backoffice/dossiers', action: :without_continuation, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Classer sans suite') do
-        %button.action.forget-dossier
-          %i.fa.fa-circle-o
-      = form_tag(url_for({controller: 'backoffice/dossiers', action: :refuse, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Refuser') do
-        %button.action.refuse-dossier
-          %i.fa.fa-times
+- unless Features.opensimplif
+  %div#action-block
+    - if gestionnaire_signed_in?
+      - if !@facade.dossier.read_only?
+        = form_tag(url_for({controller: 'backoffice/dossiers', action: :valid, dossier_id: @facade.dossier.id}), class: 'form-inline', method: 'POST') do
+          %button.action{'data-toggle' => :tooltip, title: 'En cliquant ici, vous figez le dossier et autorisez le dépôt du dossier pour instruction.'}
+            = 'Déclarer complet'.upcase
+      - elsif @facade.dossier.submitted?
+        = form_tag(url_for({controller: 'backoffice/dossiers', action: :receive, dossier_id: @facade.dossier.id}), class: 'form-inline', method: 'POST') do
+          %button.action
+            = 'Accuser réception'.upcase
+      - elsif @facade.dossier.received?
+        = form_tag(url_for({controller: 'backoffice/dossiers', action: :close, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Accepter') do
+          %button.action.close-dossier
+            %i.fa.fa-check
+        = form_tag(url_for({controller: 'backoffice/dossiers', action: :without_continuation, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Classer sans suite') do
+          %button.action.forget-dossier
+            %i.fa.fa-circle-o
+        = form_tag(url_for({controller: 'backoffice/dossiers', action: :refuse, dossier_id: @facade.dossier.id}), class: 'form-inline action_button', method: 'POST', style: 'display:inline', 'data-toggle' => :tooltip, title: 'Refuser') do
+          %button.action.refuse-dossier
+            %i.fa.fa-times
 
 %div#menu-block
 
 %div#infos-block
-  %div.split-hr-left
-  %div.dossier-state= @facade.dossier.display_state
+  - unless Features.opensimplif
+    %div.split-hr-left
+    %div.dossier-state= @facade.dossier.display_state
   %div.split-hr-left
   %div.notifications
     - if @facade.dossier.notifications.empty?
diff --git a/app/views/layouts/left_panels/_left_panel_opensimplifcontroller_index.html.haml b/app/views/layouts/left_panels/_left_panel_opensimplifcontroller_index.html.haml
new file mode 100644
index 000000000..b4114cab1
--- /dev/null
+++ b/app/views/layouts/left_panels/_left_panel_opensimplifcontroller_index.html.haml
@@ -0,0 +1 @@
+= render partial: 'layouts/left_panels/left_panel_backoffice_dossierscontroller_index'
diff --git a/app/views/layouts/navbars/_navbar_opensimplifcontroller_index.html.haml b/app/views/layouts/navbars/_navbar_opensimplifcontroller_index.html.haml
new file mode 100644
index 000000000..4136a0652
--- /dev/null
+++ b/app/views/layouts/navbars/_navbar_opensimplifcontroller_index.html.haml
@@ -0,0 +1 @@
+= render partial: 'layouts/navbars/navbar_backoffice_dossiers_procedurecontroller_index'
diff --git a/app/views/opensimplif/_pref_list.js.erb b/app/views/opensimplif/_pref_list.js.erb
new file mode 100644
index 000000000..c3c7cc107
--- /dev/null
+++ b/app/views/opensimplif/_pref_list.js.erb
@@ -0,0 +1,14 @@
+$.ajax({
+    method: 'get',
+    url: '/simplifications/reload_smartlisting?id=<%= @procedure_id %>',
+    async: true
+});
+
+$.ajax({
+    methd: 'get',
+    url: '/backoffice/preference_list_dossier/reload_pref_list?procedure_id=<%= @procedure_id %>',
+    async: true
+}).done(function (data) {
+    $("#pref_list_menu").html(data);
+    pref_list_dossier_actions();
+});
diff --git a/app/views/opensimplif/index.html.haml b/app/views/opensimplif/index.html.haml
new file mode 100644
index 000000000..a54739f3d
--- /dev/null
+++ b/app/views/opensimplif/index.html.haml
@@ -0,0 +1,43 @@
+#backoffice_index
+  #pref_list_menu
+    = render partial: 'backoffice/dossiers/pref_list'
+
+  .default_data_block.default_visible
+    %div.row.show-block#new_dossiers
+      %div.header
+        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
+          %div.carret-right
+          %div.carret-down
+          Mes simplifications
+        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
+          =current_user.dossiers.count
+          SIMPLIFICATIONS
+      %div.body
+        = smart_listing_render :mes_dossiers
+
+  .default_data_block.default_visible
+    %div.row.show-block#new_dossiers
+      %div.header
+        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
+          %div.carret-right
+          %div.carret-down
+          Les simplifications que je suivis
+        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
+          =@facade_data_view.suivi_total
+          simplifications
+      %div.body
+        = smart_listing_render :follow_dossiers
+
+
+  .default_data_block
+    %div.row.show-block#new_dossiers
+      %div.header
+        %div.col-lg-10.col-md-10.col-sm-10.col-xs-10.title
+          %div.carret-right
+          %div.carret-down
+          Les autres
+        %div.col-lg-2.col-md-2.col-sm-2.col-xs-2.count
+          =@facade_data_view.all_state_total
+          simplifications
+      %div.body
+        = smart_listing_render :all_state_dossiers
diff --git a/app/views/opensimplif/index.js.erb b/app/views/opensimplif/index.js.erb
new file mode 100644
index 000000000..41790287e
--- /dev/null
+++ b/app/views/opensimplif/index.js.erb
@@ -0,0 +1,6 @@
+<%= smart_listing_update :mes_dossiers, {force: true} %>
+<%= smart_listing_update :follow_dossiers, {force: true} %>
+<%= smart_listing_update :all_state_dossiers, {force: true} %>
+
+filters_init();
+link_init();
\ No newline at end of file
diff --git a/app/views/opensimplif/nothing.html.haml b/app/views/opensimplif/nothing.html.haml
new file mode 100644
index 000000000..92bf1d421
--- /dev/null
+++ b/app/views/opensimplif/nothing.html.haml
@@ -0,0 +1,6 @@
+.center
+  %h3.text-danger
+    Vous n'avez aucun droit de lecture sur cette plateforme.
+
+  %h4
+    Merci de prendre contact avec votre reponsable simplification afin de remedier à ce problème.
\ No newline at end of file
diff --git a/config/deploy.rb b/config/deploy.rb
index 5c5afc91f..e11f920ce 100644
--- a/config/deploy.rb
+++ b/config/deploy.rb
@@ -11,7 +11,7 @@ require 'mina/rbenv' # for rbenv support. (http://rbenv.org)
 #   branch       - Branch name to deploy. (needed by mina/git)
 
 ENV['to'] ||= "staging"
-ENV['to'] = "staging" unless ["staging", "production", "opensimplif", "tps_v2"].include?(ENV['to'])
+raise "Bad to=#{+ENV['to']}" unless ["staging", "production", "opensimplif", "tps_v2"].include?(ENV['to'])
 
 raise "missing domain, run with 'rake deploy domain=37.187.154.237'" if ENV['domain'].nil?
 
diff --git a/config/routes.rb b/config/routes.rb
index aaef99490..a71414e61 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -43,6 +43,13 @@ Rails.application.routes.draw do
   get 'admin' => 'admin#index'
   get 'backoffice' => 'backoffice#index'
 
+  if Features.opensimplif
+    get 'simplifications' => 'opensimplif#index'
+    get 'simplifications/reload_smartlisting' => 'opensimplif#reload_smartlisting'
+    get 'simplifications/nothing' => 'opensimplif#nothing'
+    get 'simplifications/:id' => 'opensimplif#index', as: :simplification
+  end
+
   resources :administrations
 
   namespace :france_connect do
diff --git a/spec/controllers/root_controller_spec.rb b/spec/controllers/root_controller_spec.rb
index a4d6406fb..60ad3e58d 100644
--- a/spec/controllers/root_controller_spec.rb
+++ b/spec/controllers/root_controller_spec.rb
@@ -58,6 +58,18 @@ describe RootController, type: :controller do
     it { expect(response.body).to have_css('#landing') }
   end
 
+  context 'when opensimplif features is true' do
+    let(:gestionnaire) { create(:gestionnaire) }
+
+    before do
+      sign_in gestionnaire
+
+      allow_any_instance_of(Features).to receive(:opensimplif).and_return(true)
+    end
+
+    it { expect(subject).to redirect_to(simplifications_path) }
+  end
+
   context "unified login" do
     render_views