diff --git a/ennstatus/__init__.py b/ennstatus/__init__.py
--- a/ennstatus/__init__.py
+++ b/ennstatus/__init__.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import os.path
 import json
 
diff --git a/ennstatus/api/__init__.py b/ennstatus/api/__init__.py
--- a/ennstatus/api/__init__.py
+++ b/ennstatus/api/__init__.py
@@ -0,0 +1,16 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
diff --git a/ennstatus/api/auth.py b/ennstatus/api/auth.py
--- a/ennstatus/api/auth.py
+++ b/ennstatus/api/auth.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask import current_app
 from flask.ext.httpauth import HTTPDigestAuth
 
diff --git a/ennstatus/api/model.py b/ennstatus/api/model.py
--- a/ennstatus/api/model.py
+++ b/ennstatus/api/model.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import ipaddress
 import json
 import functools
diff --git a/ennstatus/api/views.py b/ennstatus/api/views.py
--- a/ennstatus/api/views.py
+++ b/ennstatus/api/views.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import ipaddress
 import json
 
diff --git a/ennstatus/cli/__init__.py b/ennstatus/cli/__init__.py
--- a/ennstatus/cli/__init__.py
+++ b/ennstatus/cli/__init__.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import pathlib
 
 import click
diff --git a/ennstatus/cli/commands/__init__.py b/ennstatus/cli/commands/__init__.py
--- a/ennstatus/cli/commands/__init__.py
+++ b/ennstatus/cli/commands/__init__.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from .config import config
 
 __all__ = ['config']
diff --git a/ennstatus/cli/commands/config.py b/ennstatus/cli/commands/config.py
--- a/ennstatus/cli/commands/config.py
+++ b/ennstatus/cli/commands/config.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import json
 import ipaddress
 
diff --git a/ennstatus/config.py b/ennstatus/config.py
--- a/ennstatus/config.py
+++ b/ennstatus/config.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import os
 import base64
 
diff --git a/ennstatus/donate/__init__.py b/ennstatus/donate/__init__.py
--- a/ennstatus/donate/__init__.py
+++ b/ennstatus/donate/__init__.py
@@ -0,0 +1,16 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
diff --git a/ennstatus/donate/forms.py b/ennstatus/donate/forms.py
--- a/ennstatus/donate/forms.py
+++ b/ennstatus/donate/forms.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask_wtf import Form
 from wtforms import SelectField, SubmitField
 from wtforms.validators import DataRequired
diff --git a/ennstatus/donate/functions.py b/ennstatus/donate/functions.py
--- a/ennstatus/donate/functions.py
+++ b/ennstatus/donate/functions.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import os
 import os.path
 import csv
diff --git a/ennstatus/donate/views.py b/ennstatus/donate/views.py
--- a/ennstatus/donate/views.py
+++ b/ennstatus/donate/views.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask import (Blueprint, render_template, request,
                    redirect, url_for, current_app)
 
diff --git a/ennstatus/log.py b/ennstatus/log.py
--- a/ennstatus/log.py
+++ b/ennstatus/log.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import logging
 import logging.handlers
 
diff --git a/ennstatus/root/__init__.py b/ennstatus/root/__init__.py
--- a/ennstatus/root/__init__.py
+++ b/ennstatus/root/__init__.py
@@ -0,0 +1,16 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
diff --git a/ennstatus/root/constants.py b/ennstatus/root/constants.py
--- a/ennstatus/root/constants.py
+++ b/ennstatus/root/constants.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 BPM_ADDRESSES = {
     'germany': {
diff --git a/ennstatus/root/forms.py b/ennstatus/root/forms.py
--- a/ennstatus/root/forms.py
+++ b/ennstatus/root/forms.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask_wtf import Form
 from wtforms import (SelectField,
                      StringField,
diff --git a/ennstatus/root/functions.py b/ennstatus/root/functions.py
--- a/ennstatus/root/functions.py
+++ b/ennstatus/root/functions.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask import render_template, current_app, flash
 
 from flask_mail import Mail, Message
diff --git a/ennstatus/root/views.py b/ennstatus/root/views.py
--- a/ennstatus/root/views.py
+++ b/ennstatus/root/views.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask import (Blueprint, render_template, current_app,
                    request, redirect, url_for, flash)
 
diff --git a/ennstatus/statistics/__init__.py b/ennstatus/statistics/__init__.py
--- a/ennstatus/statistics/__init__.py
+++ b/ennstatus/statistics/__init__.py
@@ -0,0 +1,16 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
diff --git a/ennstatus/statistics/views.py b/ennstatus/statistics/views.py
--- a/ennstatus/statistics/views.py
+++ b/ennstatus/statistics/views.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from collections import defaultdict
 
 from flask import Blueprint, render_template, current_app, jsonify
diff --git a/ennstatus/status/__init__.py b/ennstatus/status/__init__.py
--- a/ennstatus/status/__init__.py
+++ b/ennstatus/status/__init__.py
@@ -0,0 +1,16 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
diff --git a/ennstatus/status/forms.py b/ennstatus/status/forms.py
--- a/ennstatus/status/forms.py
+++ b/ennstatus/status/forms.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask_wtf import Form
 from wtforms import SelectField, SubmitField
 from wtforms.validators import DataRequired
diff --git a/ennstatus/status/functions.py b/ennstatus/status/functions.py
--- a/ennstatus/status/functions.py
+++ b/ennstatus/status/functions.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 import os
 import os.path
 import json
diff --git a/ennstatus/status/views.py b/ennstatus/status/views.py
--- a/ennstatus/status/views.py
+++ b/ennstatus/status/views.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 from flask import (Blueprint,
                    render_template,
                    current_app,
diff --git a/ennstatus/utils.py b/ennstatus/utils.py
--- a/ennstatus/utils.py
+++ b/ennstatus/utils.py
@@ -1,3 +1,19 @@
+# Ënnstatus
+# Copyright (C) 2015  Dennis Fink
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 def check_ip(ipaddress):
     return not any({