diff --git a/fishbook/database/__init__.py b/fishbook/backend/__init__.py
similarity index 100%
rename from fishbook/database/__init__.py
rename to fishbook/backend/__init__.py
diff --git a/fishbook/database/database.py b/fishbook/backend/database.py
similarity index 100%
rename from fishbook/database/database.py
rename to fishbook/backend/database.py
diff --git a/fishbook/database/util.py b/fishbook/backend/util.py
similarity index 100%
rename from fishbook/database/util.py
rename to fishbook/backend/util.py
diff --git a/fishbook/fishbook.py b/fishbook/frontend/fishbook.py
similarity index 100%
rename from fishbook/fishbook.py
rename to fishbook/frontend/fishbook.py
diff --git a/fishbook/reproclasses.py b/fishbook/frontend/reproclasses.py
similarity index 100%
rename from fishbook/reproclasses.py
rename to fishbook/frontend/reproclasses.py