diff --git a/nancy/__init__.py b/nancy/__init__.py
index 4551337..e13c4f6 100644
--- a/nancy/__init__.py
+++ b/nancy/__init__.py
@@ -1,8 +1,7 @@
 import sqlite3
 
-from . import db
-
-__version__ = "0.0.1"
+from .db import init
+from .version import __version__
 
 
 # Calling code will build up a large DAG then at the very last step, call
@@ -10,7 +9,7 @@ __version__ = "0.0.1"
 # data by asking the user for an output dir. However, we need a database
 # initialized in order to build up the DAG in the first place, so here we
 # initialize an in-memory database to use until we have an output directory.
-_conn = db.init(":memory:")
+_conn = init(":memory:")
 
 
 def save_data(
diff --git a/nancy/__main__.py b/nancy/__main__.py
new file mode 100644
index 0000000..42a62f5
--- /dev/null
+++ b/nancy/__main__.py
@@ -0,0 +1,4 @@
+if __name__ == "__main__":
+    from . import cli
+
+    cli.main()
diff --git a/nancy/cli/__init__.py b/nancy/cli/__init__.py
new file mode 100644
index 0000000..87b5313
--- /dev/null
+++ b/nancy/cli/__init__.py
@@ -0,0 +1,28 @@
+import click
+
+from ..version import __version__
+
+from .freeze import freeze, thaw
+
+
+# from https://click.palletsprojects.com/en/5.x/advanced/
+class AliasedGroup(click.Group):
+    def get_command(self, ctx, cmd_name):
+        rv = click.Group.get_command(self, ctx, cmd_name)
+        if rv is not None:
+            return rv
+        matches = [x for x in self.list_commands(ctx) if x.startswith(cmd_name)]
+        if not matches:
+            return None
+        elif len(matches) == 1:
+            return click.Group.get_command(self, ctx, matches[0])
+        ctx.fail("Too many matches: %s" % ", ".join(sorted(matches)))
+
+
+@click.group(f"nancy v{__version__}", cls=AliasedGroup)
+def main():
+    pass
+
+
+main.add_command(freeze)
+main.add_command(thaw)
diff --git a/nancy/cli/freeze.py b/nancy/cli/freeze.py
new file mode 100644
index 0000000..41e530b
--- /dev/null
+++ b/nancy/cli/freeze.py
@@ -0,0 +1,13 @@
+import click
+
+
+@click.command()
+@click.argument("directory")
+def freeze(directory):
+    pass
+
+
+@click.command()
+@click.argument("files", nargs=-1)  # , help="Files or directories to thaw.")
+def thaw(files):
+    pass
diff --git a/nancy/version.py b/nancy/version.py
new file mode 100644
index 0000000..0a2dcf8
--- /dev/null
+++ b/nancy/version.py
@@ -0,0 +1 @@
+__version__ = "0.0.1pre"