diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..42eb410
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include LICENSE.txt
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..74afcda
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+#   Copyright 2018 Jim Martens
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+"""setup.py: build script for setuptools"""
+from setuptools import setup, find_packages
+
+with open("README.md", "rb") as f:
+    long_desc = f.read().decode()
+
+setup(
+    name="twomartens.calendarsync",
+    description="Tool that synchronizes Jekyll event collection with remote calendar",
+    long_description=long_desc,
+    long_description_content_type="text/markdown; charset=UTF-8",
+    author="Jim Martens",
+    author_email="github@2martens.de",
+    url="https://git.2martens.de/2martens/calendar-synchronization",
+    version="1.0.0.dev1",
+    namespace_packages=["twomartens"],
+    packages=find_packages('src', exclude=["*.tests", "*.tests.*", "tests.*", "tests"]),
+    package_dir={'': 'src'},
+    entry_points={
+        "console_scripts": ['tm-calendarsync = twomartens.calendarsync.calendarsync:main']
+    },
+    python_requires="~=3.6",
+    install_requires=[""],
+    license="Apache License 2.0",
+    classifiers=[
+        "Operating System :: OS Independent",
+        "Development Status :: 2 - Pre-Alpha",
+        "License :: OSI Approved :: Apache Software License",
+        "Environment :: Console",
+        "Topic :: Utilities",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+    ],
+)
diff --git a/src/twomartens/__init__.py b/src/twomartens/__init__.py
new file mode 100644
index 0000000..1c83f5a
--- /dev/null
+++ b/src/twomartens/__init__.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+#   Copyright 2018 Jim Martens
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+"""twomartens: Namespace package"""
+
+# See http://peak.telecommunity.com/DevCenter/setuptools#namespace-packages
+__import__('pkg_resources').declare_namespace(__name__)
diff --git a/src/twomartens/calendarsync/__init__.py b/src/twomartens/calendarsync/__init__.py
new file mode 100644
index 0000000..c728d74
--- /dev/null
+++ b/src/twomartens/calendarsync/__init__.py
@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+
+#   Copyright 2018 Jim Martens
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
diff --git a/src/twomartens/calendarsync/__main__.py b/src/twomartens/calendarsync/__main__.py
new file mode 100644
index 0000000..55f2fd4
--- /dev/null
+++ b/src/twomartens/calendarsync/__main__.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+#   Copyright 2018 Jim Martens
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+"""calendarsync.__main__: executed when calendarsync directory is called as a script."""
+from .calendarsync import main
+
+main()
diff --git a/src/twomartens/calendarsync/calendarsync.py b/src/twomartens/calendarsync/calendarsync.py
new file mode 100644
index 0000000..e95bd91
--- /dev/null
+++ b/src/twomartens/calendarsync/calendarsync.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+#   Copyright 2018 Jim Martens
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+
+"""calendarsync.calendarsync: provides entry point main()"""
+
+
+def main() -> None:
+    """
+    Main entry point.
+    """
+    pass
+