diff --git a/pype/lib/applications.py b/pype/lib/applications.py
index 8de7efb3e2..600530a00f 100644
--- a/pype/lib/applications.py
+++ b/pype/lib/applications.py
@@ -546,7 +546,13 @@ class ApplicationManager:
             label = variant_definitions.get("label") or host_name
             variants = variant_definitions.get("variants") or {}
             icon = variant_definitions.get("icon")
+            is_host = variant_definitions.get("is_host", False)
             for app_name, app_data in variants.items():
+                if app_name in self.applications:
+                    raise AssertionError((
+                        "BUG: Duplicated application name in settings \"{}\""
+                    ).format(app_name))
+
                 # If host is disabled then disable all variants
                 if not enabled:
                     app_data["enabled"] = enabled
@@ -558,10 +564,9 @@ class ApplicationManager:
                 if not app_data.get("icon"):
                     app_data["icon"] = icon
 
-                if app_name in self.applications:
-                    raise AssertionError((
-                        "BUG: Duplicated application name in settings \"{}\""
-                    ).format(app_name))
+                is_host = app_data.get("is_host", is_host)
+                app_data["is_host"] = is_host
+
                 self.applications[app_name] = Application(
                     host_name, app_name, app_data, self
                 )
@@ -661,6 +666,7 @@ class Application:
         self.variant_label = app_data.get("variant_label") or None
         self.icon = app_data.get("icon") or None
         self.enabled = app_data.get("enabled", True)
+        self.is_host = app_data.get("is_host", False)
 
         executables = app_data["executables"]
         if isinstance(executables, dict):
diff --git a/pype/modules/ftrack/actions/action_create_cust_attrs.py b/pype/modules/ftrack/actions/action_create_cust_attrs.py
index 2d0cd8352b..11931a5b30 100644
--- a/pype/modules/ftrack/actions/action_create_cust_attrs.py
+++ b/pype/modules/ftrack/actions/action_create_cust_attrs.py
@@ -382,7 +382,7 @@ class CustomAttributes(BaseAction):
     def app_defs_from_app_manager(self):
         app_definitions = []
         for app_name, app in self.app_manager.applications.items():
-            if app.enabled:
+            if app.enabled and app.is_host:
                 app_definitions.append({
                     app_name: app.full_label
                 })
diff --git a/pype/settings/defaults/system_settings/global/applications.json b/pype/settings/defaults/system_settings/global/applications.json
index 105033efa8..ad1868632e 100644
--- a/pype/settings/defaults/system_settings/global/applications.json
+++ b/pype/settings/defaults/system_settings/global/applications.json
@@ -3,6 +3,7 @@
         "enabled": true,
         "label": "Autodesk Maya",
         "icon": "{}/app_icons/maya.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "maya": [
@@ -95,6 +96,7 @@
         "enabled": true,
         "label": "Nuke",
         "icon": "{}/app_icons/nuke.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "nuke": [
@@ -176,6 +178,7 @@
         "enabled": true,
         "label": "Nuke X",
         "icon": "{}/app_icons/nuke.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "nukex": [
@@ -257,6 +260,7 @@
         "enabled": true,
         "label": "Nuke Studio",
         "icon": "{}/app_icons/nuke.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "nukestudio": [
@@ -340,6 +344,7 @@
         "enabled": true,
         "label": "Hiero",
         "icon": "{}/app_icons/hiero.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "hiero": [
@@ -425,6 +430,7 @@
         "enabled": true,
         "label": "BlackMagic Fusion",
         "icon": "{}/app_icons/fusion.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "fusion": []
@@ -469,6 +475,7 @@
         "enabled": true,
         "label": "Blackmagic DaVinci Resolve",
         "icon": "{}/app_icons/resolve.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "resolve": [
@@ -546,6 +553,7 @@
         "enabled": true,
         "label": "SideFX Houdini",
         "icon": "{}/app_icons/houdini.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "houdini": [
@@ -603,6 +611,7 @@
         "enabled": true,
         "label": "Blender",
         "icon": "{}/app_icons/blender.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "blender": [
@@ -659,6 +668,7 @@
         "enabled": true,
         "label": "Toon Boom Harmony",
         "icon": "{}/app_icons/harmony.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "harmony": [
@@ -742,6 +752,7 @@
         "enabled": true,
         "label": "Adobe Photoshop",
         "icon": "{}/app_icons/photoshop.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "photoshop": [
@@ -781,6 +792,7 @@
         "enabled": true,
         "label": "CelAction 2D",
         "icon": "app_icons/celaction.png",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "celaction": [
@@ -820,6 +832,7 @@
         "enabled": true,
         "label": "Unreal Editor",
         "icon": "{}/app_icons/ue4.png'",
+        "is_host": true,
         "environment": {
             "__environment_keys__": {
                 "unreal": []
@@ -906,6 +919,7 @@
         "enabled": true,
         "label": "DJV View",
         "icon": "{}/app_icons/djvView.png",
+        "is_host": false,
         "environment": {
             "__environment_keys__": {
                 "djvview": []