diff --git a/musician/forms.py b/musician/forms.py
index 5fcafbe..7a66a00 100644
--- a/musician/forms.py
+++ b/musician/forms.py
@@ -17,5 +17,6 @@ class LoginForm(AuthenticationForm):
             else:
                 self.username = username
                 self.token = orchestra.auth_token
+                self.user = orchestra.retrieve_profile()
 
         return self.cleaned_data
diff --git a/musician/models.py b/musician/models.py
index de43a1a..0718aaa 100644
--- a/musician/models.py
+++ b/musician/models.py
@@ -5,6 +5,8 @@ from django.utils.dateparse import parse_datetime
 from django.utils.html import format_html
 from django.utils.translation import gettext_lazy as _
 
+from . import settings as musician_settings
+
 
 logger = logging.getLogger(__name__)
 
@@ -107,14 +109,20 @@ class UserAccount(OrchestraModel):
     @classmethod
     def new_from_json(cls, data, **kwargs):
         billing = None
+        language = None
         last_login = None
 
         if 'billcontact' in data:
             billing = BillingContact.new_from_json(data['billcontact'])
 
+        # Django expects that language code is lowercase
+        if 'language' in data:
+            language = data['language'].lower()
+
         if 'last_login' in data:
             last_login = parse_datetime(data['last_login'])
-        return super().new_from_json(data=data, billing=billing, last_login=last_login)
+
+        return super().new_from_json(data=data, billing=billing, language=language, last_login=last_login)
 
 
 class DatabaseUser(OrchestraModel):
@@ -250,9 +258,8 @@ class MailinglistService(OrchestraModel):
         return "{}@{}".format(self.data['address_name'], self.data['address_domain']['name'])
 
     @property
-    def configure(self):
-        # TODO(@slamora): build mailtran absolute URL
-        return format_html('<a href="#TODO">Mailtrain</a>')
+    def manager_url(self):
+        return musician_settings.URL_MAILTRAIN
 
 
 class SaasService(OrchestraModel):
@@ -267,6 +274,17 @@ class SaasService(OrchestraModel):
     }
 
 
+    @property
+    def manager_url(self):
+        URLS = {
+            'gitlab': musician_settings.URL_SAAS_GITLAB,
+            'owncloud': musician_settings.URL_SAAS_OWNCLOUD,
+            'wordpress': musician_settings.URL_SAAS_WORDPRESS,
+        }
+
+        return URLS.get(self.service, '#none')
+
+
 class WebSite(OrchestraModel):
     api_name = 'website'
     param_defaults = {
diff --git a/musician/settings.py b/musician/settings.py
index 5581061..7dab46f 100644
--- a/musician/settings.py
+++ b/musician/settings.py
@@ -1,14 +1,41 @@
-# allowed resources limit hardcoded because cannot be retrieved from the API.
-ALLOWED_RESOURCES = {
-    'INDIVIDUAL':
-    {
-        # 'disk': 1024,
-        # 'traffic': 2048,
-        'mailbox': 2,
+from django.conf import settings
+
+
+def getsetting(name):
+    value = getattr(settings, name, None)
+    return value or DEFAULTS.get(name)
+
+
+DEFAULTS = {
+    # allowed resources limit hardcoded because cannot be retrieved from the API.
+    "ALLOWED_RESOURCES": {
+        'INDIVIDUAL':
+        {
+            # 'disk': 1024,
+            # 'traffic': 2048,
+            'mailbox': 2,
+        },
+        'ASSOCIATION': {
+            # 'disk': 5 * 1024,
+            # 'traffic': 20 * 1024,
+            'mailbox': 10,
+        }
     },
-    'ASSOCIATION': {
-        # 'disk': 5 * 1024,
-        # 'traffic': 20 * 1024,
-        'mailbox': 10,
-    }
+    "URL_DB_PHPMYADMIN": "https://www.phpmyadmin.net/",
+    "URL_MAILTRAIN": "https://mailtrain.org/",
+    "URL_SAAS_GITLAB": "https://gitlab.org/",
+    "URL_SAAS_OWNCLOUD": "https://owncloud.org/",
+    "URL_SAAS_WORDPRESS": "https://wordpress.org/",
 }
+
+ALLOWED_RESOURCES = getsetting("ALLOWED_RESOURCES")
+
+URL_DB_PHPMYADMIN = getsetting("URL_DB_PHPMYADMIN")
+
+URL_MAILTRAIN = getsetting("URL_MAILTRAIN")
+
+URL_SAAS_GITLAB = getsetting("URL_SAAS_GITLAB")
+
+URL_SAAS_OWNCLOUD = getsetting("URL_SAAS_OWNCLOUD")
+
+URL_SAAS_WORDPRESS = getsetting("URL_SAAS_WORDPRESS")
diff --git a/musician/static/musician/css/default.css b/musician/static/musician/css/default.css
index a95a573..3fbe7da 100644
--- a/musician/static/musician/css/default.css
+++ b/musician/static/musician/css/default.css
@@ -43,6 +43,9 @@ a:hover {
     min-width: 280px;
     max-width: 280px;
     min-height: 100vh;
+
+    position: fixed;
+    z-index: 999;
     
     display: flex;
     flex-direction: column;
@@ -127,6 +130,7 @@ a:hover {
     background-position: right 5% top 10%;
     color: #343434;
     padding-left: 2rem;
+    margin-left: 280px; /** sidebar width **/
 }
 
 /** services **/
diff --git a/musician/templates/musician/billing.html b/musician/templates/musician/billing.html
index 986cc60..d3ba915 100644
--- a/musician/templates/musician/billing.html
+++ b/musician/templates/musician/billing.html
@@ -16,11 +16,11 @@
 </colgroup>
 <thead class="thead-dark">
   <tr>
-    <th scope="col">Number</th>
-    <th scope="col">Bill date</th>
-    <th scope="col">Type</th>
-    <th scope="col">Total</th>
-    <th scope="col">Download PDF</th>
+    <th scope="col">{% trans "Number" %}</th>
+    <th scope="col">{% trans "Bill date" %}</th>
+    <th scope="col">{% trans "Type" %}</th>
+    <th scope="col">{% trans "Total" %}</th>
+    <th scope="col">{% trans "Download PDF" %}</th>
   </tr>
 </thead>
 <tbody>
diff --git a/musician/templates/musician/dashboard.html b/musician/templates/musician/dashboard.html
index 2e9c4d0..0b2b09b 100644
--- a/musician/templates/musician/dashboard.html
+++ b/musician/templates/musician/dashboard.html
@@ -66,9 +66,9 @@
           <p class="card-text"><i class="fas fa-envelope fa-3x"></i></p>
           <p class="card-text text-dark">
             {{ domain.mails|length }} {% trans "mail addresses created" %}
-            {% if domain.address_left.alert_level %}
+            {% if domain.addresses_left.alert_level %}
             <br/>
-            <span class="text-{{ domain.address_left.alert_level }}">{{ domain.address_left.count }} {% trans "mail address left" %}</span>
+            <span class="text-{{ domain.addresses_left.alert_level }}">{{ domain.addresses_left.count }} {% trans "mail address left" %}</span>
             {% endif %}
           </p>
           <a class="stretched-link" href="{% url 'musician:mails' %}?domain={{ domain.id }}"></a>
diff --git a/musician/templates/musician/mailinglists.html b/musician/templates/musician/mailinglists.html
index 22a1b87..6ff509e 100644
--- a/musician/templates/musician/mailinglists.html
+++ b/musician/templates/musician/mailinglists.html
@@ -37,7 +37,7 @@
       {% endif %}
       <td>{{ resource.address_name}}</td>
       <td>{{ resource.admin_email }}</td>
-      <td><a href="#TODO-{{ resource.manager_url }}" target="_blank" rel="noopener noreferrer">Mailtrain</a></td>
+      <td><a href="{{ resource.manager_url }}" target="_blank" rel="noopener noreferrer">Mailtrain <i class="fas fa-external-link-alt"></i></a></td>
     </tr>
     {% endfor %}
   </tbody>
diff --git a/musician/templates/musician/profile.html b/musician/templates/musician/profile.html
index 45aad9d..f6bdbce 100644
--- a/musician/templates/musician/profile.html
+++ b/musician/templates/musician/profile.html
@@ -8,7 +8,7 @@
 
 <div class="card-deck">
   <div class="card card-profile">
-    <h5 class="card-header">User information</h5>
+    <h5 class="card-header">{% trans "User information" %}</h5>
     <div class="card-body row">
       <div class="col-md">
         <div class="border-primary rounded-circle d-inline-block p-1" style="background-color: white; border: 5px solid grey">
@@ -18,12 +18,12 @@
       <div class="col-md-9">
         <p class="card-text">{{ profile.username }}</p>
         <p class="card-text">{{ profile.type }}</p>
-        <p class="card-text">Preferred language: {{ profile.language }}</p>
+        <p class="card-text">{% trans "Preferred language:" %} {{ profile.language|language_name_local }}</p>
       </div>
       {% comment %}
       <!-- disabled until set_password is implemented -->
       <div class="col-md-12 text-right">
-        <a class="btn btn-primary pl-5 pr-5" href="#">Set new password</a>
+        <a class="btn btn-primary pl-5 pr-5" href="#">{% trans "Set new password" %}</a>
       </div>
       {% endcomment %}
     </div>
@@ -31,7 +31,7 @@
 
   {% with profile.billing as contact %}
   <div class="card card-profile">
-      <h5 class="card-header">Billing information</h5>
+      <h5 class="card-header">{% trans "Billing information" %}</h5>
     <div class="card-body">
       <div class="form-group">{{ contact.name }}</div>
       <div class="form-group">{{ contact.address }}</div>
@@ -45,7 +45,7 @@
       </div>
       <!-- payment method -->
       <div class="form-group">
-        payment method: {{ payment.method }}
+        {% trans "payment method:" %} {{ payment.method }}
       </div>
       <div class="form-group">
         {% if payment.method == 'SEPADirectDebit' %}
diff --git a/musician/templates/musician/saas.html b/musician/templates/musician/saas.html
index cff1e83..4da034f 100644
--- a/musician/templates/musician/saas.html
+++ b/musician/templates/musician/saas.html
@@ -34,7 +34,7 @@
         </div>
         <div class="col-md-5 text-right">
           <div class="service-manager-link">
-            <a class="btn btn-primary" href="#open-service">{% trans "Open service admin panel" %} <i class="fas fa-external-link-alt"></i></a>
+            <a class="btn btn-primary" href="{{ saas.manager_url }}" target="_blank" rel="noopener noreferrer">{% trans "Open service admin panel" %} <i class="fas fa-external-link-alt"></i></a>
           </div>
         </div>
       </div>
diff --git a/musician/views.py b/musician/views.py
index e96fa24..102a66d 100644
--- a/musician/views.py
+++ b/musician/views.py
@@ -1,9 +1,11 @@
 from itertools import groupby
 
+from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import render
 from django.urls import reverse_lazy
+from django.utils import translation
 from django.utils.http import is_safe_url
 from django.utils.translation import gettext_lazy as _
 from django.views import View
@@ -305,7 +307,15 @@ class LoginView(FormView):
     def form_valid(self, form):
         """Security check complete. Log the user in."""
         auth_login(self.request, form.username, form.token)
-        return HttpResponseRedirect(self.get_success_url())
+
+        # set user language as active language
+        user_language = form.user.language
+        translation.activate(user_language)
+
+        response = HttpResponseRedirect(self.get_success_url())
+        response.set_cookie(settings.LANGUAGE_COOKIE_NAME, user_language)
+
+        return response
 
     def get_success_url(self):
         url = self.get_redirect_url()
diff --git a/userpanel/settings.py b/userpanel/settings.py
index f5bdb83..f16abfb 100644
--- a/userpanel/settings.py
+++ b/userpanel/settings.py
@@ -13,8 +13,8 @@ https://docs.djangoproject.com/en/2.2/ref/settings/
 import os
 
 from decouple import config, Csv
-from dj_database_url import parse as db_url
 from django.utils.translation import gettext_lazy as _
+from dj_database_url import parse as db_url
 
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
@@ -59,6 +59,7 @@ INSTALLED_APPS = [
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.locale.LocaleMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
@@ -130,7 +131,13 @@ SESSION_ENGINE = "django.contrib.sessions.backends.signed_cookies"
 # https://docs.djangoproject.com/en/2.2/topics/i18n/
 
 # Fallback language
-LANGUAGE_CODE = 'ca'
+LANGUAGE_CODE = config('LANGUAGE_CODE', 'en-us')
+
+LANGUAGES = [
+    ('ca', _('Catalan')),
+    ('en', _('English')),
+    ('es', _('Spanish')),
+]
 
 TIME_ZONE = 'Europe/Madrid'
 
@@ -157,3 +164,15 @@ STATIC_ROOT = config('STATIC_ROOT')
 # Backend API configuration
 
 API_BASE_URL = config('API_BASE_URL')
+
+
+# External services URLs
+URL_DB_PHPMYADMIN = config('URL_DB_PHPMYADMIN', None)
+
+URL_MAILTRAIN = config('URL_MAILTRAIN', None)
+
+URL_SAAS_GITLAB = config('URL_SAAS_GITLAB', None)
+
+URL_SAAS_OWNCLOUD = config('URL_SAAS_OWNCLOUD', None)
+
+URL_SAAS_WORDPRESS = config('URL_SAAS_WORDPRESS', None)