diff --git a/nodes/boolean_list_to_indexes.py b/nodes/boolean_list_to_indexes.py
index d710f4a..3bb8abf 100644
--- a/nodes/boolean_list_to_indexes.py
+++ b/nodes/boolean_list_to_indexes.py
@@ -21,7 +21,7 @@ class BooleanIndexesToString:
     RETURN_TYPES = ("STRING",)
     RETURN_NAMES = ("index_string",)
     FUNCTION = "get_indexes"
-    CATEGORY = "util"
+    CATEGORY = "northTools"
 
     @staticmethod
     def parse_bool_string(s: str) -> list[bool]:
diff --git a/nodes/concat_history_string.py b/nodes/concat_history_string.py
index d71e7b6..b5223c5 100644
--- a/nodes/concat_history_string.py
+++ b/nodes/concat_history_string.py
@@ -19,7 +19,7 @@ class ConcatHistoryString:
     RETURN_TYPES = ("STRING",)
     RETURN_NAMES = ("concatenated",)
     FUNCTION = "concat"
-    CATEGORY = "util"
+    CATEGORY = "northTools"
 
     def concat(self, value_bool=None, value_str="", reset=False):
         if reset:
diff --git a/nodes/extract_metadata_by_key.py b/nodes/extract_metadata_by_key.py
index 4d700f6..bb4daff 100644
--- a/nodes/extract_metadata_by_key.py
+++ b/nodes/extract_metadata_by_key.py
@@ -20,7 +20,7 @@ class ExtractMetadataByKey:
     RETURN_NAMES = ("value",)
 
     FUNCTION = "extract"
-    CATEGORY = "image/metadata"
+    CATEGORY = "northTools"
 
     def extract(self, metadata, key):
         try:
diff --git a/nodes/from_dir_image_list.py b/nodes/from_dir_image_list.py
index fcfad02..9ad24e6 100644
--- a/nodes/from_dir_image_list.py
+++ b/nodes/from_dir_image_list.py
@@ -26,7 +26,7 @@ class LoadImagesFromDirList:
     RETURN_NAMES = ("IMAGE", "MASK", "FILE PATH", "METADATA", "INDEX COUNT")
     OUTPUT_IS_LIST = (True, True, True, True, True)
     FUNCTION = "load_images"
-    CATEGORY = "image"
+    CATEGORY = "northTools"
 
     @classmethod
     def IS_CHANGED(cls, **kwargs):
diff --git a/nodes/from_dir_with_index_batch.py b/nodes/from_dir_with_index_batch.py
index 655e51a..6344898 100644
--- a/nodes/from_dir_with_index_batch.py
+++ b/nodes/from_dir_with_index_batch.py
@@ -21,7 +21,7 @@ class LoadImagesFromDirByIndexBatch:
 
     RETURN_TYPES = ("IMAGE", "MASK", "INT")
     FUNCTION = "load_images"
-    CATEGORY = "image"
+    CATEGORY = "northTools"
 
     @classmethod
     def IS_CHANGED(cls, **kwargs):
diff --git a/nodes/from_dir_with_index_list.py b/nodes/from_dir_with_index_list.py
index 2f06a35..1bd0d26 100644
--- a/nodes/from_dir_with_index_list.py
+++ b/nodes/from_dir_with_index_list.py
@@ -23,7 +23,7 @@ class LoadImagesFromDirByIndexList:
     RETURN_NAMES = ("IMAGE", "MASK", "FILE PATH", "METADATA", "INDEX COUNT")
     OUTPUT_IS_LIST = (True, True, True, True, True)
     FUNCTION = "load_images"
-    CATEGORY = "image"
+    CATEGORY = "northTools"
 
     @classmethod
     def IS_CHANGED(cls, **kwargs):
diff --git a/nodes/image_to_true.py b/nodes/image_to_true.py
index 5fb03a3..22af8c7 100644
--- a/nodes/image_to_true.py
+++ b/nodes/image_to_true.py
@@ -13,6 +13,7 @@ class ImageToTrue:
 
     RETURN_TYPES = ("BOOLEAN",)
     FUNCTION = "process"
+    CATEGORY = "northTools"
 
     def process(self, image):
         return (True,)
diff --git a/nodes/sum_integers.py b/nodes/sum_integers.py
index 3b24197..c964b5e 100644
--- a/nodes/sum_integers.py
+++ b/nodes/sum_integers.py
@@ -16,6 +16,7 @@ class SumIntegers:
     RETURN_TYPES = ("INT", "STRING")
     RETURN_NAMES = ("sum_int", "sum_str")
     FUNCTION = "sum"
+    CATEGORY = "northTools"
 
     def sum(self, int_1, int_2):
         s = int_1 + int_2