diff --git a/app/models/virtual_community.rb b/app/models/virtual_community.rb
new file mode 100644
index 0000000..77f0ea6
--- /dev/null
+++ b/app/models/virtual_community.rb
@@ -0,0 +1,12 @@
+class VirtualCommunity < ActiveRecord::Base
+  validates_presence_of :domain
+  validates_format_of :domain, :with => /^(\w+\.)+\w+$/
+
+  validates_presence_of :identifier
+  validates_format_of :identifier, :with => /^[a-z][a-z0-9_]+[a-z0-9]$/
+
+  serialize :features
+  def features
+    self[:features] ||= {}
+  end
+end
diff --git a/db/migrate/001_create_virtual_communities.rb b/db/migrate/001_create_virtual_communities.rb
new file mode 100644
index 0000000..acc8119
--- /dev/null
+++ b/db/migrate/001_create_virtual_communities.rb
@@ -0,0 +1,13 @@
+class CreateVirtualCommunities < ActiveRecord::Migration
+  def self.up
+    create_table :virtual_communities do |t|
+      t.column :name, :string
+      t.column :domain, :string
+      t.column :features, :text
+    end
+  end
+
+  def self.down
+    drop_table :virtual_communities
+  end
+end
diff --git a/test/fixtures/virtual_communities.yml b/test/fixtures/virtual_communities.yml
new file mode 100644
index 0000000..7df90c7
--- /dev/null
+++ b/test/fixtures/virtual_communities.yml
@@ -0,0 +1,9 @@
+# Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
+first:
+  id: 1
+  name: 'Anheteguá'
+  domain: 'anhetegua.net'
+another:
+  id: 2
+  name: 'Colivre.net'
+  domain: 'colivre.net'
diff --git a/test/unit/virtual_community_test.rb b/test/unit/virtual_community_test.rb
new file mode 100644
index 0000000..2e23654
--- /dev/null
+++ b/test/unit/virtual_community_test.rb
@@ -0,0 +1,26 @@
+require File.dirname(__FILE__) + '/../test_helper'
+
+class VirtualCommunityTest < Test::Unit::TestCase
+  fixtures :virtual_communities
+
+  def test_features
+    c = VirtualCommunity.new
+    assert_kind_of Hash, c.features
+  end
+
+  def test_domain_validation
+    c = VirtualCommunity.new
+    c.valid?
+    assert c.errors.invalid?(:domain)
+
+    c.domain = 'bliblibli'
+    c.valid?
+    assert c.errors.invalid?(:domain)
+
+    c.domain = 'test.net'
+    c.valid?
+    assert ! c.errors.invalid?(:domain)
+  end
+
+
+end
--
libgit2 0.21.2