diff --git a/doc/api.rst b/doc/api.rst
index 6053b4b..0bbac09 100644
--- a/doc/api.rst
+++ b/doc/api.rst
@@ -32,3 +32,15 @@ Predictor
    :template: class.rst
 
     TemplateClassifier
+
+
+Utilities
+=========
+
+.. autosummary::
+   :toctree: generated/
+   :template: functions.rst
+
+     utils.discovery.all_estimators
+     utils.discovery.all_displays
+     utils.discovery.all_functions
diff --git a/skltemplate/__init__.py b/skltemplate/__init__.py
index 879c4c6..66806e5 100644
--- a/skltemplate/__init__.py
+++ b/skltemplate/__init__.py
@@ -1,3 +1,6 @@
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
+
 from ._template import TemplateClassifier, TemplateEstimator, TemplateTransformer
 from ._version import __version__
 
diff --git a/skltemplate/_template.py b/skltemplate/_template.py
index aa21f69..ce41d0f 100644
--- a/skltemplate/_template.py
+++ b/skltemplate/_template.py
@@ -1,6 +1,10 @@
 """
 This is a module to be used as a reference for building other modules
 """
+
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
+
 import numpy as np
 from sklearn.base import BaseEstimator, ClassifierMixin, TransformerMixin, _fit_context
 from sklearn.metrics import euclidean_distances
diff --git a/skltemplate/_version.py b/skltemplate/_version.py
index d1b5dc8..d1cbff4 100644
--- a/skltemplate/_version.py
+++ b/skltemplate/_version.py
@@ -1 +1,4 @@
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
+
 __version__ = "0.0.4.dev0"
diff --git a/skltemplate/tests/__init__.py b/skltemplate/tests/__init__.py
index e69de29..52e3f96 100644
--- a/skltemplate/tests/__init__.py
+++ b/skltemplate/tests/__init__.py
@@ -0,0 +1,2 @@
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
diff --git a/skltemplate/tests/test_common.py b/skltemplate/tests/test_common.py
index 381c11b..4249e7f 100644
--- a/skltemplate/tests/test_common.py
+++ b/skltemplate/tests/test_common.py
@@ -1,13 +1,16 @@
 """This file shows how to write test based on the scikit-learn common tests."""
 
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
+
 from sklearn.utils.estimator_checks import parametrize_with_checks
 
-from skltemplate import TemplateClassifier, TemplateEstimator, TemplateTransformer
+from skltemplate.utils.discovery import all_estimators
 
 
 # parametrize_with_checks allows to get a generator of check that is more fine-grained
 # than check_estimator
-@parametrize_with_checks([TemplateEstimator(), TemplateTransformer(), TemplateClassifier()])
+@parametrize_with_checks([est() for _, est in all_estimators()])
 def test_estimators(estimator, check, request):
     """Check the compatibility with scikit-learn API"""
     check(estimator)
diff --git a/skltemplate/tests/test_template.py b/skltemplate/tests/test_template.py
index 6803945..b34b106 100644
--- a/skltemplate/tests/test_template.py
+++ b/skltemplate/tests/test_template.py
@@ -6,6 +6,8 @@
 
 from skltemplate import TemplateClassifier, TemplateEstimator, TemplateTransformer
 
+# Authors: scikit-learn-contrib developers
+# License: BSD 3 clause
 
 @pytest.fixture
 def data():