diff --git a/backend/toolshed/admin.py b/backend/toolshed/admin.py
new file mode 100644
index 0000000..4b3174e
--- /dev/null
+++ b/backend/toolshed/admin.py
@@ -0,0 +1,27 @@
+from django.contrib import admin
+
+from toolshed.models import InventoryItem, Property, Tag, ItemProperty, ItemTag
+
+
+class InventoryItemAdmin(admin.ModelAdmin):
+    list_display = ('name', 'description', 'category', 'availability_policy', 'owned_quantity', 'owner')
+    search_fields = ('name', 'description', 'category', 'availability_policy', 'owned_quantity', 'owner')
+
+
+admin.site.register(InventoryItem, InventoryItemAdmin)
+
+
+class PropertyAdmin(admin.ModelAdmin):
+    list_display = ('name',)
+    search_fields = ('name',)
+
+
+admin.site.register(Property, PropertyAdmin)
+
+
+class TagAdmin(admin.ModelAdmin):
+    list_display = ('name',)
+    search_fields = ('name',)
+
+
+admin.site.register(Tag, TagAdmin)
diff --git a/backend/toolshed/api/info.py b/backend/toolshed/api/info.py
index 1d6f045..097cf9a 100644
--- a/backend/toolshed/api/info.py
+++ b/backend/toolshed/api/info.py
@@ -7,6 +7,14 @@ from hostadmin.models import Domain
 from authentication.signature_auth import SignatureAuthentication
 from toolshed.models import Tag, Property, Category
 from toolshed.serializers import CategorySerializer, PropertySerializer
+from backend.settings import TOOLSHED_VERSION
+
+
+@api_view(['GET'])
+@permission_classes([])
+@authentication_classes([])
+def get_version(request, format=None):  # /version/
+    return Response({'version': TOOLSHED_VERSION})
 
 
 @api_view(['GET'])
@@ -53,12 +61,13 @@ def list_availability_policies(request, format=None):  # /availability_policies/
 def combined_info(request, format=None):  # /info/
     tags = [tag.name for tag in Tag.objects.all()]
     properties = [property.name for property in Property.objects.all()]
-    categories = [category.name for category in Category.objects.all()]
+    categories = [str(category) for category in Category.objects.all()]
     policies = ['private', 'friends', 'internal', 'public']
     return Response({'tags': tags, 'properties': properties, 'policies': policies, 'categories': categories})
 
 
 urlpatterns = [
+    path('version/', get_version, name='version'),
     path('availability_policies/', list_availability_policies, name='availability_policies'),
     path('properties/', list_properties, name='propertylist'),
     path('categories/', list_categories, name='categorylist'),
diff --git a/backend/toolshed/tests/test_api.py b/backend/toolshed/tests/test_api.py
index bc23fb8..091f0a8 100644
--- a/backend/toolshed/tests/test_api.py
+++ b/backend/toolshed/tests/test_api.py
@@ -1,25 +1,30 @@
 from django.test import Client
 from authentication.tests import UserTestMixin, SignatureAuthClient, ToolshedTestCase
-from toolshed.models import Category, Tag, Property
+from backend import settings
+from toolshed.tests import CategoryTestMixin, TagTestMixin, PropertyTestMixin
 
 anonymous_client = Client()
 client = SignatureAuthClient()
 
 
-class CombinedApiTestCase(UserTestMixin, ToolshedTestCase):
+class CombinedApiTestCase(UserTestMixin, CategoryTestMixin, TagTestMixin, PropertyTestMixin, ToolshedTestCase):
 
     def setUp(self):
         super().setUp()
         self.prepare_users()
-        self.f['cat1'] = Category.objects.create(name='cat1')
-        self.f['cat2'] = Category.objects.create(name='cat2')
-        self.f['cat3'] = Category.objects.create(name='cat3')
-        self.f['tag1'] = Tag.objects.create(name='tag1')
-        self.f['tag2'] = Tag.objects.create(name='tag2')
-        self.f['tag3'] = Tag.objects.create(name='tag3')
-        self.f['prop1'] = Property.objects.create(name='prop1')
-        self.f['prop2'] = Property.objects.create(name='prop2')
-        self.f['prop3'] = Property.objects.create(name='prop3')
+        self.prepare_categories()
+        self.prepare_tags()
+        self.prepare_properties()
+
+    def test_version_anonymous(self):
+        response = anonymous_client.get('/api/version/')
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {'version': settings.TOOLSHED_VERSION})
+
+    def test_version_authenticated(self):
+        response = client.get('/api/version/', self.f['local_user1'])
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {'version': settings.TOOLSHED_VERSION})
 
     def test_domains_anonymous(self):
         response = anonymous_client.get('/api/domains/')
@@ -39,7 +44,8 @@ class CombinedApiTestCase(UserTestMixin, ToolshedTestCase):
         response = client.get('/api/info/', self.f['local_user1'])
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.json()['policies'], ['private', 'friends', 'internal', 'public'])
-        self.assertEqual(response.json()['categories'], ['cat1', 'cat2', 'cat3'])
+        self.assertEqual(response.json()['categories'],
+                         ['cat1', 'cat2', 'cat3', 'cat1/subcat1', 'cat1/subcat2', 'cat1/subcat1/subcat3'])
         self.assertEqual(response.json()['tags'], ['tag1', 'tag2', 'tag3'])
         self.assertEqual(response.json()['properties'], ['prop1', 'prop2', 'prop3'])
 
@@ -51,3 +57,4 @@ class CombinedApiTestCase(UserTestMixin, ToolshedTestCase):
         response = client.get('/api/availability_policies/', self.f['local_user1'])
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.json(), ['private', 'friends', 'internal', 'public'])
+
diff --git a/backend/toolshed/tests/test_category.py b/backend/toolshed/tests/test_category.py
index 254c525..114e7ad 100644
--- a/backend/toolshed/tests/test_category.py
+++ b/backend/toolshed/tests/test_category.py
@@ -1,5 +1,4 @@
 from authentication.tests import SignatureAuthClient, UserTestMixin, ToolshedTestCase
-from toolshed.models import Category
 from toolshed.tests import CategoryTestMixin
 
 client = SignatureAuthClient()