diff --git a/oceanstream/L0_unprocessed_data/template.py b/oceanstream/L0_unprocessed_data/template.py
new file mode 100644
index 0000000..e4e31fb
--- /dev/null
+++ b/oceanstream/L0_unprocessed_data/template.py
@@ -0,0 +1,61 @@
+"""
+Module Name: module_name_here.py
+Description: Brief description of what this module does.
+Author: Your Name
+Date: Creation date
+"""
+
+# Import necessary libraries
+import os
+import sys
+
+# Constants (if any)
+CONSTANT_NAME = "Constant Value"
+
+
+def function_name_1(arg1, arg2):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+    - arg2 (type): Description of arg2.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_1(value1, value2)
+    Expected Output
+    """
+    # Function implementation
+    path = os.path.join(["this", "and", "that"])
+    current_path = sys.path
+    return path, current_path
+
+
+def function_name_2(arg1):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_2(value1)
+    Expected Output
+    """
+    # Function implementation
+    pass
+
+
+# Additional functions...
+
+
+if __name__ == "__main__":
+    # Code to be executed if this module is run as a standalone script
+    # For example, for testing purposes
+    pass
diff --git a/oceanstream/L2_calibrated_data/template.py b/oceanstream/L2_calibrated_data/template.py
new file mode 100644
index 0000000..e4e31fb
--- /dev/null
+++ b/oceanstream/L2_calibrated_data/template.py
@@ -0,0 +1,61 @@
+"""
+Module Name: module_name_here.py
+Description: Brief description of what this module does.
+Author: Your Name
+Date: Creation date
+"""
+
+# Import necessary libraries
+import os
+import sys
+
+# Constants (if any)
+CONSTANT_NAME = "Constant Value"
+
+
+def function_name_1(arg1, arg2):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+    - arg2 (type): Description of arg2.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_1(value1, value2)
+    Expected Output
+    """
+    # Function implementation
+    path = os.path.join(["this", "and", "that"])
+    current_path = sys.path
+    return path, current_path
+
+
+def function_name_2(arg1):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_2(value1)
+    Expected Output
+    """
+    # Function implementation
+    pass
+
+
+# Additional functions...
+
+
+if __name__ == "__main__":
+    # Code to be executed if this module is run as a standalone script
+    # For example, for testing purposes
+    pass
diff --git a/oceanstream/L3_regridded_data/template.py b/oceanstream/L3_regridded_data/template.py
new file mode 100644
index 0000000..e4e31fb
--- /dev/null
+++ b/oceanstream/L3_regridded_data/template.py
@@ -0,0 +1,61 @@
+"""
+Module Name: module_name_here.py
+Description: Brief description of what this module does.
+Author: Your Name
+Date: Creation date
+"""
+
+# Import necessary libraries
+import os
+import sys
+
+# Constants (if any)
+CONSTANT_NAME = "Constant Value"
+
+
+def function_name_1(arg1, arg2):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+    - arg2 (type): Description of arg2.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_1(value1, value2)
+    Expected Output
+    """
+    # Function implementation
+    path = os.path.join(["this", "and", "that"])
+    current_path = sys.path
+    return path, current_path
+
+
+def function_name_2(arg1):
+    """
+    Brief description of the function.
+
+    Parameters:
+    - arg1 (type): Description of arg1.
+
+    Returns:
+    - type: Description of the return value.
+
+    Example:
+    >>> function_name_2(value1)
+    Expected Output
+    """
+    # Function implementation
+    pass
+
+
+# Additional functions...
+
+
+if __name__ == "__main__":
+    # Code to be executed if this module is run as a standalone script
+    # For example, for testing purposes
+    pass