diff --git a/__init__.py b/__init__.py
index 26c39ee..6fd590c 100644
--- a/__init__.py
+++ b/__init__.py
@@ -162,6 +162,21 @@ def rate_on_ankiweb(did=None):
 
 menu_rate = build_action(rate_on_ankiweb, "Rate Add-on on AnkiWeb")
 
+
+def visualize_schedule(did=None):
+    openLink("https://open-spaced-repetition.github.io/anki_fsrs_visualizer/")
+
+
+menu_visualize = build_action(visualize_schedule, "Visualize Your FSRS Schedule")
+
+
+def sponsor(did=None):
+    openLink("https://github.com/sponsors/L-M-Sherlock")
+    config.has_sponsored = True
+
+
+menu_sponsor = build_action(sponsor, "Sponsor the Author")
+
 menu_for_helper = mw.form.menuTools.addMenu("FSRS4Anki Helper")
 menu_for_helper.addAction(menu_auto_reschedule_after_sync)
 menu_for_helper.addAction(menu_auto_disperse_after_sync)
@@ -181,8 +196,11 @@ def rate_on_ankiweb(did=None):
 menu_for_helper.addAction(menu_disperse_siblings)
 menu_for_helper.addSeparator()
 menu_for_helper.addAction(menu_contact)
+menu_for_helper.addAction(menu_visualize)
 if not config.has_rated:
     menu_for_helper.addAction(menu_rate)
+if not config.has_sponsored:
+    menu_for_helper.addAction(menu_sponsor)
 
 
 menu_apply_easy_days = build_action(easy_days, "Apply easy days now")
diff --git a/config.json b/config.json
index dd183ef..e5b03c5 100644
--- a/config.json
+++ b/config.json
@@ -13,5 +13,6 @@
     "fsrs_stats": true,
     "display_memory_state": false,
     "auto_easy_days": false,
-    "has_rated": false
+    "has_rated": false,
+    "has_sponsored": false
 }
\ No newline at end of file
diff --git a/configuration.py b/configuration.py
index 9b8c1dc..cec66f5 100644
--- a/configuration.py
+++ b/configuration.py
@@ -17,6 +17,7 @@
 DISPLAY_MEMORY_STATE = "display_memory_state"
 AUTO_EASY_DAYS = "auto_easy_days"
 HAS_RATED = "has_rated"
+HAS_SPONSORED = "has_sponsored"
 
 
 def load_config():
@@ -177,3 +178,12 @@ def has_rated(self):
     def has_rated(self, value):
         self.data[HAS_RATED] = value
         self.save()
+
+    @property
+    def has_sponsored(self):
+        return self.data[HAS_SPONSORED]
+
+    @has_sponsored.setter
+    def has_sponsored(self, value):
+        self.data[HAS_SPONSORED] = value
+        self.save()