diff --git a/ponyconf/templates/base.html b/ponyconf/templates/base.html
index 1a2b861..eef466d 100644
--- a/ponyconf/templates/base.html
+++ b/ponyconf/templates/base.html
@@ -29,9 +29,13 @@
                 </li>
               </ul>
             </li>
+            {% endif %}
+            {% if conference.subscriptions_open %}
+            <li{% block subscriptiontab %}{% endblock %}><a href="{% url 'subscriptions-list' %}"><span class="glyphicon glyphicon-check"></span>&nbsp;{% trans "Subscribe to a workshop" %}</a></li>
+            {% endif %}
+            {% if request.user.is_authenticated %}
+            {% if not request|staff %}
             <li{% block topictab %}{% endblock %}><a href="{% url 'list-topics' %}">{% trans "Topics" %}</a></li>
-            {% if request|staff %}
-            <li{% block tracktab %}{% endblock %}><a href="{% url 'list-tracks' %}">{% trans "Tracks" %}</a></li>
             {% endif %}
             {% endif %}
             {% block navbar-left %}{% endblock %}
@@ -51,6 +55,12 @@
                 <li role="presentation">
                   <a role="menuitem" tabindex="-1" href="{% url 'list-volunteers' %}"><span class="glyphicon glyphicon-thumbs-up"></span>&nbsp;{% trans "Volunteers" %}</a>
                 </li>
+                <li role="presentation">
+                  <a role="menuitem" tabindex="-1" href="{% url 'list-topics' %}"><span class="glyphicon glyphicon-tag"></span>&nbsp;{% trans "Topics" %}</a></li>
+                </li>
+                <li role="presentation">
+                  <a role="menuitem" tabindex="-1" href="{% url 'list-tracks' %}"><span class="glyphicon glyphicon-screenshot"></span>&nbsp;{% trans "Tracks" %}</a></li>
+                </li>
               </ul>
             </li>
             <li class="dropdown{% block planningtab %}{% endblock %}">
diff --git a/proposals/admin.py b/proposals/admin.py
index 1e5602c..7e2253e 100644
--- a/proposals/admin.py
+++ b/proposals/admin.py
@@ -1,7 +1,7 @@
 from django.contrib import admin
 from django.contrib.sites.shortcuts import get_current_site
 
-from proposals.models import Conference, Talk, Topic, Track, Event
+from proposals.models import Conference, Talk, Topic, Track, Event, Attendee
 from planning.models import Room
 
 from ponyconf.admin import SiteAdminMixin
@@ -35,8 +35,13 @@ class EventAdmin(SiteAdminMixin, admin.ModelAdmin):
     pass
 
 
+class AttendeeAdmin(admin.ModelAdmin):
+    list_display = ('get_name', 'get_email')
+
+
 admin.site.register(Conference)
 admin.site.register(Topic, TopicAdmin)
 admin.site.register(Track, TrackAdmin)
 admin.site.register(Talk, TalkAdmin)
 admin.site.register(Event, EventAdmin)
+admin.site.register(Attendee, AttendeeAdmin)
diff --git a/proposals/forms.py b/proposals/forms.py
index 45c7fb3..ef92afb 100644
--- a/proposals/forms.py
+++ b/proposals/forms.py
@@ -179,6 +179,18 @@ class TrackForm(forms.ModelForm):
         return name
 
 
+class SubscribeForm(forms.Form):
+    email = forms.EmailField()
+    name = forms.CharField(max_length=128, label=_('Name or nickname'))
+    captcha = forms.IntegerField(label=_('How much is 3+4?'), help_text=_('Anti-bot'))
+
+    def clean_captcha(self):
+        value = self.cleaned_data['captcha']
+        if value != 7:
+            raise forms.ValidationError(_("Please re-do the maths."))
+        return value
+
+
 ConferenceForm = modelform_factory(Conference,
                     fields=['cfp_opening_date', 'cfp_closing_date', 'subscriptions_open', 'venue', 'city', 'home'],
                     widgets={
diff --git a/proposals/models.py b/proposals/models.py
index 89a13fd..307500e 100644
--- a/proposals/models.py
+++ b/proposals/models.py
@@ -112,16 +112,21 @@ class Attendee(PonyConfModel):
     email = models.EmailField(blank=True, default="")
 
     def get_name(self):
-        if user:
-            return str(user.profile)
+        if self.user:
+            return str(self.user.profile)
         else:
-            return name
+            return self.name
+    get_name.short_description = _('Name')
 
     def get_email(self):
-        if user:
-            return user.email
+        if self.user:
+            return self.user.email
         else:
             return self.email
+    get_email.short_description = _('Email')
+
+    def __str__(self):
+        return self.get_name()
 
 
 class Talk(PonyConfModel):
diff --git a/proposals/templates/proposals/subscriptions_list.html b/proposals/templates/proposals/subscriptions_list.html
new file mode 100644
index 0000000..eee9451
--- /dev/null
+++ b/proposals/templates/proposals/subscriptions_list.html
@@ -0,0 +1,36 @@
+{% extends 'base.html' %}
+
+{% load accounts_tags i18n %}
+
+{% block subscriptiontab %} class="active"{% endblock %}
+
+{% block content %}
+
+<h1>{% trans "Subscribe to a workshop" %}</h1>
+
+{% for talk in talks %}
+{% if forloop.first %}<div class="list-group">{% endif %}
+  <div class="list-group-item{% if attendee in talk.attendees.all %} list-group-item-info{% endif %}">
+    <h4 clas="list-group-item-heading">{{ talk.title }}</h4>
+    <p class="list-group-item-text">
+      <p>{{ talk.description }}</p>
+      {% if talk.attendees_limit %}
+      <p><em>{% blocktrans count remaining=talk.remaining_attendees %}{{ remaining }} remaining seat{% plural %}{{ remaining }} remaining seats{% endblocktrans %}</em></p>
+      {% endif %}
+      {% if talk.remaining_attendees != 0 or attendee in talk.attendees.all %}
+      <p>
+        {% if attendee in talk.attendees.all %}
+        <a class="btn btn-danger" href="{% url 'subscribe-to-talk' talk=talk.slug %}">{% trans "Unregister" %}</a>
+        {% else %}
+        <a class="btn btn-primary" href="{% url 'subscribe-to-talk' talk=talk.slug %}">{% trans "Register" %}</a>
+        {% endif %}
+      </p>
+      {% endif %}
+    </p>
+  </div>
+{% if forloop.last %}</div>{% endif %}
+{% empty %}
+<em>{% trans "There are no workshops requiring registration for now … come back later!" %}</em>
+{% endfor %}
+
+{% endblock %}
diff --git a/proposals/templates/proposals/talk_detail.html b/proposals/templates/proposals/talk_detail.html
index bdd2e40..5e20c19 100644
--- a/proposals/templates/proposals/talk_detail.html
+++ b/proposals/templates/proposals/talk_detail.html
@@ -48,6 +48,10 @@
         {% else %}<em>{% trans "not defined" %}</em>
         {% endif %}
       </dd>
+    {% if talk.registration_required %}
+    <dt>{% trans "Registrations" %}</dt>
+      <dd>{% if talk.attendees_limit %}{{ talk.attendees.count }} / {{ talk.attendees_limit }}{% else %}{% trans "required but unlimited" %}{% endif %}</dd>
+    {% endif %}
 
 </dl>
 
@@ -111,6 +115,19 @@
 <a href="{% url 'decline-talk' talk.slug %}" class="btn btn-danger">Decline</a>
 {% endif %}
 
+{% if talk.registration_required %}
+<h3>{% trans "Attendees" %}</h3>
+
+{% for attendee in talk.attendees.all %}
+{% if forloop.first %}<ol>{% endif %}
+  <li><a href="mailto:{{ attendee.get_email }}">{{ attendee.get_name }}</a></li>
+{% if forloop.last %}</ol>{% endif %}
+{% empty %}
+<em>{% trans "No attendees yet." %}</em>
+{% endfor %}
+
+{% endif %}
+
 <h3>{% trans "Messages" %}</h3>
 {% trans "These messages are for organization team only." %}<br /><br />
 {% for message in talk.conversation.messages.all %}
diff --git a/proposals/templates/proposals/talk_subscribe.html b/proposals/templates/proposals/talk_subscribe.html
new file mode 100644
index 0000000..6844ffa
--- /dev/null
+++ b/proposals/templates/proposals/talk_subscribe.html
@@ -0,0 +1,23 @@
+{% extends 'base.html' %}
+
+{% load bootstrap3 i18n %}
+
+{% block subscriptiontab %} class="active"{% endblock %}
+
+{% block css %}
+{{ block.super }}
+{{ form.media.css }}
+{% endblock %}
+
+{% block content %}
+
+<h1>{% trans "Subscribe to a workshop" %}</h1>
+
+{% include "_form.html" %}
+
+{% endblock %}
+
+{% block js_end %}
+{{ block.super }}
+{{ form.media.js }}
+{% endblock %}
diff --git a/proposals/urls.py b/proposals/urls.py
index 30d12c4..d2adc1c 100644
--- a/proposals/urls.py
+++ b/proposals/urls.py
@@ -23,4 +23,6 @@ urlpatterns = [
     url(r'^track/(?P<slug>[-\w]+)/edit/$', views.TrackUpdate.as_view(), name='edit-track'),
     url(r'^speakers/$', views.speaker_list, name='list-speakers'),
     url(r'^speaker/(?P<username>[\w.@+-]+)$', views.user_details, name='show-speaker'),
+    url(r'^subscribe/$', views.talk_subscriptions, name='subscriptions-list'),
+    url(r'^subscribe/(?P<talk>[-\w]+)$', views.talk_subscribe, name='subscribe-to-talk'),
 ]
diff --git a/proposals/views.py b/proposals/views.py
index d12ed0f..1aa90ab 100644
--- a/proposals/views.py
+++ b/proposals/views.py
@@ -12,7 +12,7 @@ from django.shortcuts import get_object_or_404, redirect, render
 from django.views.generic import CreateView, DetailView, ListView, UpdateView
 from django.utils.translation import ugettext as _
 from django.views.decorators.http import require_http_methods
-from django.http import HttpResponse
+from django.http import HttpResponse, Http404
 
 from ponyconf.mixins import OnSiteFormMixin
 
@@ -25,8 +25,8 @@ from conversations.models import ConversationWithParticipant, ConversationAboutT
 
 from planning.models import Room
 
-from .forms import TalkForm, TopicForm, TrackForm, ConferenceForm, TalkFilterForm, STATUS_VALUES, SpeakerFilterForm, TalkActionForm
-from .models import Talk, Track, Topic, Vote, Conference
+from .forms import TalkForm, TopicForm, TrackForm, ConferenceForm, TalkFilterForm, STATUS_VALUES, SpeakerFilterForm, TalkActionForm, SubscribeForm
+from .models import Talk, Track, Topic, Vote, Conference, Attendee
 from .signals import talk_added, talk_edited
 from .utils import allowed_talks, markdown_to_html
 
@@ -179,11 +179,11 @@ def talk_edit(request, talk=None):
     if talk: # edit existing talk
         talk = get_object_or_404(Talk, slug=talk, site=site)
         if not talk.is_editable_by(request.user):
-            raise PermissionDenied()
+            raise PermissionDenied
     else: # add new talk
         conf = Conference.objects.get(site=site)
         if not is_orga(request, request.user) and not conf.cfp_is_open():
-            raise PermissionDenied()
+            raise PermissionDenied
     form = TalkForm(request.POST or None, instance=talk, site=site)
     if talk:
         form.fields['topics'].disabled = True
@@ -225,7 +225,7 @@ def talk_edit(request, talk=None):
 def talk_assign_to_track(request, talk, track):
     talk = get_object_or_404(Talk, slug=talk, site=get_current_site(request))
     if not talk.is_moderable_by(request.user):
-        raise PermissionDenied()
+        raise PermissionDenied
     track = get_object_or_404(Track, slug=track, site=get_current_site(request))
     talk.track = track
     talk.save()
@@ -294,7 +294,7 @@ class TrackUpdate(OrgaRequiredMixin, TrackMixin, TrackFormMixin, UpdateView):
 def vote(request, talk, score):
     talk = get_object_or_404(Talk, site=get_current_site(request), slug=talk)
     if not talk.is_moderable_by(request.user):
-        raise PermissionDenied()
+        raise PermissionDenied
     vote, created = Vote.objects.get_or_create(talk=talk, user=request.user)
     vote.vote = int(score)
     vote.save()
@@ -307,7 +307,7 @@ def talk_decide(request, talk, accepted):
     site = get_current_site(request)
     talk = get_object_or_404(Talk, site=site, slug=talk)
     if not talk.is_moderable_by(request.user):
-        raise PermissionDenied()
+        raise PermissionDenied
     if request.method == 'POST':
         # Does we need to send a notification to the proposer?
         m = request.POST.get('message', '').strip()
@@ -401,3 +401,48 @@ def user_details(request, username):
         'participation': participation,
         'talk_list': allowed_talks(Talk.objects.filter(site=get_current_site(request), speakers=user), request),
     })
+
+
+def talk_subscriptions(request):
+    site = get_current_site(request)
+    if not Conference.objects.get(site=site).subscriptions_open:
+        raise Http404
+    talks = Talk.objects.filter(site=site, registration_required=True)
+    if request.user.is_authenticated():
+        attendee = Attendee.objects.filter(user=request.user).first() # None if it does not exists
+    else:
+        attendee = None
+    return render(request, 'proposals/subscriptions_list.html', {
+        'talks': talks,
+        'attendee': attendee,
+    })
+
+
+def talk_subscribe(request, talk):
+    talk = get_object_or_404(Talk, site=get_current_site(request), registration_required=True, slug=talk)
+
+    form = SubscribeForm(request.POST or None)
+
+    if request.user.is_authenticated() or (request.method == 'POST' and form.is_valid()):
+        if request.user.is_authenticated():
+            attendee, created = Attendee.objects.get_or_create(user=request.user)
+        else:
+            attendee, created = Attendee.objects.get_or_create(email=form.cleaned_data['email'], name=form.cleaned_data['name'])
+        if attendee in talk.attendees.all():
+            if request.user.is_authenticated():
+                talk.attendees.remove(attendee)
+                messages.success(request, _("Unregistered :-("))
+            else:
+                messages.error(request, _("Already registered!"))
+        elif talk.remaining_attendees == 0:
+            raise PermissionDenied
+        else:
+            talk.attendees.add(attendee)
+            messages.success(request, _("Registered!"))
+        talk.save()
+        return redirect('subscriptions-list')
+
+    return render(request, 'proposals/talk_subscribe.html', {
+        'talk': talk,
+        'form': form,
+    })