diff --git a/plugins/driven_signup/controllers/admin/driven_signup_plugin/admin_controller.rb b/plugins/driven_signup/controllers/admin/driven_signup_plugin/admin_controller.rb
new file mode 100644
index 0000000..2bbef3a
--- /dev/null
+++ b/plugins/driven_signup/controllers/admin/driven_signup_plugin/admin_controller.rb
@@ -0,0 +1,26 @@
+class DrivenSignupPlugin::AdminController < AdminController
+
+  no_design_blocks
+
+  protect 'edit_environment_features', :environment
+
+  def index
+
+  end
+
+  def new
+    @auth = environment.driven_signup_auths.build
+  end
+
+  def edit
+    @auth = environment.driven_signup_auths.where(id: params[:id]).first
+    @auth ||= environment.driven_signup_auths.build
+    @auth.update_attributes params[:auth]
+  end
+
+  def destroy
+    @auth = environment.driven_signup_auths.where(token: params[:token]).first
+    @auth.destroy if @auth
+  end
+
+end
diff --git a/plugins/driven_signup/controllers/driven_signup_plugin_admin_controller.rb b/plugins/driven_signup/controllers/driven_signup_plugin_admin_controller.rb
new file mode 100644
index 0000000..93fb520
--- /dev/null
+++ b/plugins/driven_signup/controllers/driven_signup_plugin_admin_controller.rb
@@ -0,0 +1 @@
+DrivenSignupPluginAdminController = DrivenSignupPlugin::AdminController
diff --git a/plugins/driven_signup/controllers/public/driven_signup_plugin/account_controller.rb b/plugins/driven_signup/controllers/public/driven_signup_plugin/account_controller.rb
new file mode 100644
index 0000000..3d3afca
--- /dev/null
+++ b/plugins/driven_signup/controllers/public/driven_signup_plugin/account_controller.rb
@@ -0,0 +1,33 @@
+class DrivenSignupPlugin::AccountController < PublicController
+
+  def signup
+    return render_access_denied unless Rails.env.development? or request.post?
+    return render_access_denied unless self.environment.driven_signup_auths.where(token: params[:token]).first
+
+    session[:driven_signup] = true
+    session[:base_organization] = params[:base_organization]
+    session[:find_suborganization] = params[:find_suborganization]
+    session[:suborganization_members_limit] = params[:suborganization_members_limit]
+    session[:user_template] = params[:user_template]
+
+    user_attributes = [:login, :email]
+    user_params = params[:signup].slice *user_attributes
+    profile_params = params[:signup].except *user_attributes
+
+    if current_user and user_params[:email].squish == current_user.email
+      current_user.driven_signup_complete
+      redirect_to session.delete(:after_signup_redirect_to)
+    else
+      self.current_user = nil
+      redirect_to controller: :account, action: :signup, user: user_params, profile_data: profile_params
+    end
+  end
+
+  protected
+
+  def default_url_options
+    # avoid rails' use_relative_controller!
+    {use_route: '/'}
+  end
+
+end
diff --git a/plugins/driven_signup/db/migrate/20150625143118_create_driven_signup_plugin_token.rb b/plugins/driven_signup/db/migrate/20150625143118_create_driven_signup_plugin_token.rb
new file mode 100644
index 0000000..cd016fe
--- /dev/null
+++ b/plugins/driven_signup/db/migrate/20150625143118_create_driven_signup_plugin_token.rb
@@ -0,0 +1,16 @@
+class CreateDrivenSignupPluginToken < ActiveRecord::Migration
+
+  def change
+    create_table :driven_signup_plugin_auths do |t|
+      t.integer :environment_id
+      t.string :name
+      t.string :token
+
+      t.timestamps
+    end
+    add_index :driven_signup_plugin_auths, :environment_id
+    add_index :driven_signup_plugin_auths, :token
+    add_index :driven_signup_plugin_auths, [:environment_id, :token]
+  end
+
+end
diff --git a/plugins/driven_signup/lib/driven_signup_plugin.rb b/plugins/driven_signup/lib/driven_signup_plugin.rb
new file mode 100644
index 0000000..467c8e8
--- /dev/null
+++ b/plugins/driven_signup/lib/driven_signup_plugin.rb
@@ -0,0 +1,13 @@
+module DrivenSignupPlugin
+
+  extend Noosfero::Plugin::ParentMethods
+
+  def self.plugin_name
+    _'Driven signup'
+  end
+
+  def self.plugin_description
+    _'Allow external websites to manage the signup'
+  end
+
+end
diff --git a/plugins/driven_signup/lib/driven_signup_plugin/base.rb b/plugins/driven_signup/lib/driven_signup_plugin/base.rb
new file mode 100644
index 0000000..715f294
--- /dev/null
+++ b/plugins/driven_signup/lib/driven_signup_plugin/base.rb
@@ -0,0 +1,3 @@
+class DrivenSignupPlugin::Base < Noosfero::Plugin
+
+end
diff --git a/plugins/driven_signup/lib/ext/environment.rb b/plugins/driven_signup/lib/ext/environment.rb
new file mode 100644
index 0000000..205e97e
--- /dev/null
+++ b/plugins/driven_signup/lib/ext/environment.rb
@@ -0,0 +1,7 @@
+require_dependency 'environment'
+
+class Environment
+
+  has_many :driven_signup_auths, class_name: 'DrivenSignupPlugin::Auth', dependent: :destroy
+
+end
diff --git a/plugins/driven_signup/lib/ext/user.rb b/plugins/driven_signup/lib/ext/user.rb
new file mode 100644
index 0000000..f955c58
--- /dev/null
+++ b/plugins/driven_signup/lib/ext/user.rb
@@ -0,0 +1,46 @@
+require_dependency 'user'
+
+class User
+
+  after_create :driven_signup_complete
+
+  protected
+
+  def driven_signup_complete
+    return unless self.session and self.session.delete(:driven_signup)
+
+    base_organization = self.environment.profiles.where(identifier: self.session.delete(:base_organization)).first
+    return unless base_organization
+    organization = base_organization
+
+    if self.session.delete :find_suborganization
+      members_limit = self.session.delete(:suborganization_members_limit).to_i || 50
+      suborganizations = self.environment.profiles.
+        where('identifier <> ?', base_organization.identifier).
+        where('identifier LIKE ?', "#{base_organization.identifier}%").
+        order('identifier ASC')
+      pp suborganizations
+      suborganizations.each do |suborganization|
+        if suborganization.members.count < members_limit
+          organization = suborganization
+          break
+        end
+      end
+    end
+
+    if template = self.environment.profiles.where(identifier: self.session.delete(:user_template)).first
+      self.person.articles.destroy_all
+      self.person.apply_template template
+    end
+
+    # directly affiliate
+    organization.affiliate self.person, Profile::Roles.member(self.environment.id)
+
+    self.person.redirection_after_login = 'custom_url'
+    self.person.custom_url_redirection = Noosfero::Application.routes.url_for organization.url
+    self.person.save
+
+    self.session[:after_signup_redirect_to] = organization.url
+  end
+
+end
diff --git a/plugins/driven_signup/models/driven_signup_plugin/auth.rb b/plugins/driven_signup/models/driven_signup_plugin/auth.rb
new file mode 100644
index 0000000..67a7236
--- /dev/null
+++ b/plugins/driven_signup/models/driven_signup_plugin/auth.rb
@@ -0,0 +1,15 @@
+class DrivenSignupPlugin::Auth < ActiveRecord::Base
+
+  attr_accessible :name, :token
+
+  belongs_to :environment
+
+  validates_presence_of :environment
+  validates_presence_of :token
+  validates_uniqueness_of :token, scope: :environment_id
+
+  def token
+    self[:token] ||= SecureRandom.hex 16
+  end
+
+end
diff --git a/plugins/driven_signup/public/javascripts/driven_signup.js b/plugins/driven_signup/public/javascripts/driven_signup.js
new file mode 100644
index 0000000..02f7071
--- /dev/null
+++ b/plugins/driven_signup/public/javascripts/driven_signup.js
@@ -0,0 +1,22 @@
+driven_signup = {
+
+  admin: {
+    append: function(auth) {
+      return $('#auth-new').before(auth)
+    },
+
+    find: function(token) {
+      return $('#driven-signup-tokens [data-token='+token+']')
+    },
+
+    update: function(token, auth){
+      return this.find(token).replaceWith(auth)
+    },
+
+    remove: function(token) {
+      return this.find(token).remove()
+    },
+  },
+
+}
+
diff --git a/plugins/driven_signup/public/stylesheets/driven_signup.scss b/plugins/driven_signup/public/stylesheets/driven_signup.scss
new file mode 100644
index 0000000..3ed015c
--- /dev/null
+++ b/plugins/driven_signup/public/stylesheets/driven_signup.scss
@@ -0,0 +1,14 @@
+#driven-signup-tokens {
+
+  &.table {
+    display: table;
+
+    .row {
+      display: table-row;
+
+      .cell {
+        display: table-cell;
+      }
+    }
+  }
+}
diff --git a/plugins/driven_signup/test/functional/account_controller_test.rb b/plugins/driven_signup/test/functional/account_controller_test.rb
new file mode 100644
index 0000000..8b901e9
--- /dev/null
+++ b/plugins/driven_signup/test/functional/account_controller_test.rb
@@ -0,0 +1,45 @@
+require 'test_helper'
+
+# Re-raise errors caught by the controller.
+class AccountController; def rescue_action(e) raise e end; end
+
+class AccountControllerTest < ActionController::TestCase
+
+  def setup
+    @controller = AccountController.new
+    @request = ActionController::TestRequest.new
+    @response = ActionController::TestResponse.new
+
+    e = Environment.default
+    e.enable 'skip_new_user_email_confirmation', true
+    disable_signup_bot_check e
+  end
+
+  should 'use the parameters' do
+    community = create Community, name: 'base', identifier: 'base1'
+    subcommunity = create Community, name: 'sub', identifier: 'base11'
+    subcommunity.reload
+
+    # simulate DrivenSignupPlugin::AccountController
+    session[:driven_signup] = true
+    session[:base_organization] = community.identifier
+    session[:find_suborganization] = true
+    session[:suborganization_members_limit] = 50
+
+    post :signup, user: {login: 'quire', password: 'quire', password_confirmation: 'quire', name: 'quire', email: 'test@example.com'}
+    assert_response :redirect
+    assert_redirected_to subcommunity.url
+
+    user = Profile['quire']
+    assert user
+    assert_includes subcommunity.members, user
+  end
+
+  private
+
+  def disable_signup_bot_check environment = Environment.default
+    environment.min_signup_delay = 0
+    environment.save!
+  end
+
+end
diff --git a/plugins/driven_signup/views/driven_signup_plugin/account/signup.html.slim b/plugins/driven_signup/views/driven_signup_plugin/account/signup.html.slim
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/account/signup.html.slim
diff --git a/plugins/driven_signup/views/driven_signup_plugin/admin/_auth.html.slim b/plugins/driven_signup/views/driven_signup_plugin/admin/_auth.html.slim
new file mode 100644
index 0000000..b7b3477
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/admin/_auth.html.slim
@@ -0,0 +1,10 @@
+div.row
+  = form_for auth, as: :auth, remote: true, url: {action: :edit, id: auth.id},
+    html: {data: {token: auth.token}} do |f|
+
+    span.cell= f.text_field :name, placeholder: _('name this token')
+    span.cell= f.text_field :token, value: auth.token
+    span.cell= f.submit nil, class: 'btn btn-default btn-success'
+    span.cell= link_to _('Remove'), {action: :destroy, token: auth.token}, remote: true,
+      class: 'btn btn-default btn-danger', confirm: _('Are you sure you want to delete this authorization?')
+
diff --git a/plugins/driven_signup/views/driven_signup_plugin/admin/destroy.js.erb b/plugins/driven_signup/views/driven_signup_plugin/admin/destroy.js.erb
new file mode 100644
index 0000000..d2d4bb0
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/admin/destroy.js.erb
@@ -0,0 +1,2 @@
+driven_signup.admin.remove(<%=@auth.token.to_json%>)
+
diff --git a/plugins/driven_signup/views/driven_signup_plugin/admin/edit.js.erb b/plugins/driven_signup/views/driven_signup_plugin/admin/edit.js.erb
new file mode 100644
index 0000000..b60198b
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/admin/edit.js.erb
@@ -0,0 +1,2 @@
+driven_signup.admin.update(<%=@auth.token.to_json%>, <%= render('auth', auth: @auth).to_json %>)
+
diff --git a/plugins/driven_signup/views/driven_signup_plugin/admin/index.html.slim b/plugins/driven_signup/views/driven_signup_plugin/admin/index.html.slim
new file mode 100644
index 0000000..eb11dbd
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/admin/index.html.slim
@@ -0,0 +1,11 @@
+= content_for :head do
+  = stylesheet_link_tag 'plugins/driven_signup/stylesheets/driven_signup'
+  = javascript_include_tag 'plugins/driven_signup/javascripts/driven_signup'
+
+div#driven-signup-tokens.table
+  - environment.driven_signup_auths.each do |auth|
+    = render 'auth', auth: auth
+
+  div.row id="auth-new"
+    td= link_to _('New'), {action: :new}, remote: true, class: 'btn btn-default fa-add'
+
diff --git a/plugins/driven_signup/views/driven_signup_plugin/admin/new.js.erb b/plugins/driven_signup/views/driven_signup_plugin/admin/new.js.erb
new file mode 100644
index 0000000..0da726e
--- /dev/null
+++ b/plugins/driven_signup/views/driven_signup_plugin/admin/new.js.erb
@@ -0,0 +1,2 @@
+driven_signup.admin.append(<%= render('auth', auth: @auth).to_json %>)
+
--
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