diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..be3bf3b
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,12 @@
+AVATAO CONFIDENTIAL
+
+Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+All Rights Reserved.
+
+All source code, configuration files and documentation contained herein
+is, and remains the exclusive property of Avatao.com Innovative Learning Kft.
+The intellectual and technical concepts contained herein are proprietary 
+to Avatao.com Innovative Learning Kft. and are protected by trade secret
+or copyright law. Dissemination of this information or reproduction of
+this material is strictly forbidden unless prior written permission is
+obtained from Avatao.com Innovative Learning Kft.
diff --git a/lib/envvars.py b/lib/envvars.py
index dd6b8e4..712a926 100644
--- a/lib/envvars.py
+++ b/lib/envvars.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from collections import namedtuple
 from os import environ
 
diff --git a/lib/tao/__init__.py b/lib/tao/__init__.py
index e69de29..1179607 100644
--- a/lib/tao/__init__.py
+++ b/lib/tao/__init__.py
@@ -0,0 +1,3 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
diff --git a/lib/tao/config/__init__.py b/lib/tao/config/__init__.py
index 08aca1a..9e0efbb 100644
--- a/lib/tao/config/__init__.py
+++ b/lib/tao/config/__init__.py
@@ -1 +1,4 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from .envvars import * # pylint: disable=wildcard-import
diff --git a/lib/tao/config/envvars.py b/lib/tao/config/envvars.py
index 8f50c52..da46222 100644
--- a/lib/tao/config/envvars.py
+++ b/lib/tao/config/envvars.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from envvars import prefixed_envvars_to_namedtuple
 
 TAOENV = prefixed_envvars_to_namedtuple('AVATAO_', 'taoenvtuple')
diff --git a/lib/tfw/__init__.py b/lib/tfw/__init__.py
index e69de29..1179607 100644
--- a/lib/tfw/__init__.py
+++ b/lib/tfw/__init__.py
@@ -0,0 +1,3 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
diff --git a/lib/tfw/components/decorators/__init__.py b/lib/tfw/components/decorators/__init__.py
index c3d1ffd..80c5788 100644
--- a/lib/tfw/components/decorators/__init__.py
+++ b/lib/tfw/components/decorators/__init__.py
@@ -1 +1,4 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from .rate_limiter import RateLimiter
diff --git a/lib/tfw/components/decorators/rate_limiter.py b/lib/tfw/components/decorators/rate_limiter.py
index c71c86c..d1972b8 100644
--- a/lib/tfw/components/decorators/rate_limiter.py
+++ b/lib/tfw/components/decorators/rate_limiter.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from functools import wraps
 from time import time, sleep
 
diff --git a/lib/tfw/components/directory_monitor.py b/lib/tfw/components/directory_monitor.py
index 4c56dec..ccec00f 100644
--- a/lib/tfw/components/directory_monitor.py
+++ b/lib/tfw/components/directory_monitor.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from functools import wraps
 
 from watchdog.observers import Observer
diff --git a/lib/tfw/components/directory_monitoring_event_handler.py b/lib/tfw/components/directory_monitoring_event_handler.py
index b9f6186..1f29212 100644
--- a/lib/tfw/components/directory_monitoring_event_handler.py
+++ b/lib/tfw/components/directory_monitoring_event_handler.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from os.path import isdir, exists
 
 from tfw.components.directory_monitor import DirectoryMonitor
diff --git a/lib/tfw/components/history_monitor.py b/lib/tfw/components/history_monitor.py
index 0d9279f..690ec7b 100644
--- a/lib/tfw/components/history_monitor.py
+++ b/lib/tfw/components/history_monitor.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from os.path import dirname
 from re import findall
 from re import compile as compileregex
diff --git a/lib/tfw/components/mixins/__init__.py b/lib/tfw/components/mixins/__init__.py
index fd2a569..777f20e 100644
--- a/lib/tfw/components/mixins/__init__.py
+++ b/lib/tfw/components/mixins/__init__.py
@@ -1 +1,4 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from .supervisor_mixin import SupervisorMixin
diff --git a/lib/tfw/components/mixins/callback_mixin.py b/lib/tfw/components/mixins/callback_mixin.py
index c7a97b0..4f031f0 100644
--- a/lib/tfw/components/mixins/callback_mixin.py
+++ b/lib/tfw/components/mixins/callback_mixin.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from functools import partial
 
 
diff --git a/lib/tfw/components/mixins/supervisor_mixin.py b/lib/tfw/components/mixins/supervisor_mixin.py
index 750225a..9a350b9 100644
--- a/lib/tfw/components/mixins/supervisor_mixin.py
+++ b/lib/tfw/components/mixins/supervisor_mixin.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import xmlrpc.client
 from xmlrpc.client import Fault as SupervisorFault
 from contextlib import suppress
diff --git a/lib/tfw/components/process_managing_event_handler.py b/lib/tfw/components/process_managing_event_handler.py
index 5efa227..8ccac85 100644
--- a/lib/tfw/components/process_managing_event_handler.py
+++ b/lib/tfw/components/process_managing_event_handler.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from xmlrpc.client import Fault as SupervisorFault
 
 from tfw.event_handler_base import TriggerlessEventHandler
diff --git a/lib/tfw/components/source_code_event_handler.py b/lib/tfw/components/source_code_event_handler.py
index 3f9caf5..6bc020c 100644
--- a/lib/tfw/components/source_code_event_handler.py
+++ b/lib/tfw/components/source_code_event_handler.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from os.path import isfile, join, relpath, exists, isdir
 from glob import glob
 from fnmatch import fnmatchcase
diff --git a/lib/tfw/components/terminado_event_handler.py b/lib/tfw/components/terminado_event_handler.py
index eb14431..50245f5 100644
--- a/lib/tfw/components/terminado_event_handler.py
+++ b/lib/tfw/components/terminado_event_handler.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from tfw.components.terminado_mini_server import TerminadoMiniServer
 from tfw.event_handler_base import TriggerlessEventHandler
 from tfw.config import TFWENV
diff --git a/lib/tfw/components/terminado_mini_server.py b/lib/tfw/components/terminado_mini_server.py
index e796e8c..9c79b83 100644
--- a/lib/tfw/components/terminado_mini_server.py
+++ b/lib/tfw/components/terminado_mini_server.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from tornado.ioloop import IOLoop
 from tornado.web import Application
 from terminado import TermSocket, SingleTermManager
diff --git a/lib/tfw/config/__init__.py b/lib/tfw/config/__init__.py
index d3319d7..215a5fa 100644
--- a/lib/tfw/config/__init__.py
+++ b/lib/tfw/config/__init__.py
@@ -1 +1,4 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from .envvars import *
diff --git a/lib/tfw/config/envvars.py b/lib/tfw/config/envvars.py
index 120d166..f239d5c 100644
--- a/lib/tfw/config/envvars.py
+++ b/lib/tfw/config/envvars.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from envvars import prefixed_envvars_to_namedtuple
 
 TFWENV = prefixed_envvars_to_namedtuple('TFW_', 'tfwenvtuple')
diff --git a/lib/tfw/config/logs.py b/lib/tfw/config/logs.py
index b9f9ca8..15992b2 100644
--- a/lib/tfw/config/logs.py
+++ b/lib/tfw/config/logs.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import logging
 
 logging.basicConfig(level=logging.DEBUG)
diff --git a/lib/tfw/event_handler_base.py b/lib/tfw/event_handler_base.py
index e60d698..d5e3fc2 100644
--- a/lib/tfw/event_handler_base.py
+++ b/lib/tfw/event_handler_base.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from abc import ABC, abstractmethod
 
 from tfw.networking.serialization import deserialize_all
diff --git a/lib/tfw/fsm_base.py b/lib/tfw/fsm_base.py
index 9927215..412adb9 100644
--- a/lib/tfw/fsm_base.py
+++ b/lib/tfw/fsm_base.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from typing import List
 
 from transitions import Machine
diff --git a/lib/tfw/message_sender.py b/lib/tfw/message_sender.py
index fbd52fb..18a985d 100644
--- a/lib/tfw/message_sender.py
+++ b/lib/tfw/message_sender.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from datetime import datetime
 
 from tfw.networking.event_handlers.server_connector import ServerUplinkConnector
diff --git a/lib/tfw/networking/__init__.py b/lib/tfw/networking/__init__.py
index e69de29..1179607 100644
--- a/lib/tfw/networking/__init__.py
+++ b/lib/tfw/networking/__init__.py
@@ -0,0 +1,3 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
diff --git a/lib/tfw/networking/controller_connector.py b/lib/tfw/networking/controller_connector.py
index d4f3f85..427eefc 100644
--- a/lib/tfw/networking/controller_connector.py
+++ b/lib/tfw/networking/controller_connector.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import zmq
 from zmq.eventloop.zmqstream import ZMQStream
 
diff --git a/lib/tfw/networking/event_handlers/__init__.py b/lib/tfw/networking/event_handlers/__init__.py
index e69de29..1179607 100644
--- a/lib/tfw/networking/event_handlers/__init__.py
+++ b/lib/tfw/networking/event_handlers/__init__.py
@@ -0,0 +1,3 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
diff --git a/lib/tfw/networking/event_handlers/server_connector.py b/lib/tfw/networking/event_handlers/server_connector.py
index b9040ad..f202af6 100644
--- a/lib/tfw/networking/event_handlers/server_connector.py
+++ b/lib/tfw/networking/event_handlers/server_connector.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from functools import partial
 
 import zmq
diff --git a/lib/tfw/networking/serialization.py b/lib/tfw/networking/serialization.py
index 73acc27..26e222e 100644
--- a/lib/tfw/networking/serialization.py
+++ b/lib/tfw/networking/serialization.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import json
 
 
diff --git a/lib/tfw/networking/server/__init__.py b/lib/tfw/networking/server/__init__.py
index e69de29..1179607 100644
--- a/lib/tfw/networking/server/__init__.py
+++ b/lib/tfw/networking/server/__init__.py
@@ -0,0 +1,3 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
diff --git a/lib/tfw/networking/server/controller_responder.py b/lib/tfw/networking/server/controller_responder.py
index d85e31a..a745bcb 100644
--- a/lib/tfw/networking/server/controller_responder.py
+++ b/lib/tfw/networking/server/controller_responder.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from tfw.networking.controller_connector import ControllerConnector
 from tfw.networking.serialization import deserialize_all, serialize_all
 
diff --git a/lib/tfw/networking/server/event_handler_connector.py b/lib/tfw/networking/server/event_handler_connector.py
index 9fbfbd8..f0a2b55 100644
--- a/lib/tfw/networking/server/event_handler_connector.py
+++ b/lib/tfw/networking/server/event_handler_connector.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import zmq
 from zmq.eventloop.zmqstream import ZMQStream
 
diff --git a/lib/tfw/networking/server/tfw_server.py b/lib/tfw/networking/server/tfw_server.py
index a5f9aa6..7df8c1b 100644
--- a/lib/tfw/networking/server/tfw_server.py
+++ b/lib/tfw/networking/server/tfw_server.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 from collections import defaultdict
 
 from tornado.web import Application
diff --git a/lib/tfw/networking/server/zmq_websocket_handler.py b/lib/tfw/networking/server/zmq_websocket_handler.py
index 452c516..2f21249 100644
--- a/lib/tfw/networking/server/zmq_websocket_handler.py
+++ b/lib/tfw/networking/server/zmq_websocket_handler.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import json
 from abc import ABC, abstractmethod
 
diff --git a/lib/tfw/networking/zmq_connector_base.py b/lib/tfw/networking/zmq_connector_base.py
index c4c838a..47a850e 100644
--- a/lib/tfw/networking/zmq_connector_base.py
+++ b/lib/tfw/networking/zmq_connector_base.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018 Avatao.com Innovative Learning Kft.
+# All Rights Reserved. See LICENSE file for details.
+
 import zmq