diff --git a/copy-all-stable.sh b/copy-all-stable.sh
index 2ccbd72..0ced998 100755
--- a/copy-all-stable.sh
+++ b/copy-all-stable.sh
@@ -9,6 +9,7 @@ cp say.py ~/.local/share/profanity/plugins/.
 cp whoami.py ~/.local/share/profanity/plugins/.
 cp wikipedia-prof.py ~/.local/share/profanity/plugins/.
 cp clients.py ~/.local/share/profanity/plugins/.
+cp presence_notify.py ~/.local/share/profanity/plugins/.
 cp tests/python-test.py ~/.local/share/profanity/plugins/.
 
 cd pid
diff --git a/presence_notify.py b/presence_notify.py
new file mode 100644
index 0000000..2fe5a18
--- /dev/null
+++ b/presence_notify.py
@@ -0,0 +1,76 @@
+import prof
+
+
+def _cmd_presence_notify(arg1=None, arg2=None):
+    if arg1 == "on":
+        prof.settings_set_boolean("presence_notify", "enabled", True)
+        prof.cons_show("Presence notifications enabled")
+        return
+
+    if arg1 == "off":
+        prof.settings_set_boolean("presence_notify", "enabled", False)
+        prof.cons_show("Presence notifications disabled")
+        return
+
+    if arg1 == "all":
+        if not arg2:
+            prof.cons_bad_cmd_usage("/presence_notify")
+            return
+        prof.settings_string_list_add("presence_notify", "all", arg2)
+        prof.settings_string_list_remove("presence_notify", "online", arg2)
+        prof.cons_show("Enabled all presence notifications for {barejid}".format(barejid=arg2))
+        return
+
+    prof.cons_show("Presence notify plugin settings:")
+    enabled = prof.settings_get_boolean("presence_notify", "enabled", False)
+    if enabled:
+        prof.cons_show("Enabled: ON")
+    else:
+        prof.cons_show("Enabled: OFF")
+    all_res = prof.settings_get_string_list("presence_notify", "all")
+    if all_res and len(all_res) > 0:
+        prof.cons_show("All:")
+        for item in all_res:
+            prof.cons_show("  {barejid}".format(barejid=item))
+
+
+def prof_init(version, status, account_name, fulljid):
+    synopsis = [ 
+        "/presence_notify on|off",
+        "/presence_notify all <barejid>" 
+    ]
+    description = "Send a desktop notification on presence updates."
+    args = [
+        [ "on|off",         "Enable/disable presence notifications" ],
+        [ "all <barejid>",  "Enable all presence notifications for contact <barejid>"]
+    ]
+    examples = [
+        "/presence_notify on",
+        "/presence_notify all bob@server.org"
+    ]
+    
+    prof.register_command("/presence_notify", 0, 2, synopsis, description, args, examples, _cmd_presence_notify)
+
+    prof.completer_add("/presence_notify",
+        [ "on", "off", "all" ]
+    )
+
+
+def prof_on_contact_presence(barejid, resource, presence, status, priority):
+    enabled = prof.settings_get_boolean("presence_notify", "enabled", False)
+    if enabled:
+        all_res = prof.settings_get_string_list("presence_notify", "all")
+        if not all_res or len(all_res) == 0:
+            prof.notify("{barejid} is {presence}".format(barejid=barejid, presence=presence), 5000, "Presence")
+        elif barejid in all_res:
+            prof.notify("{barejid} is {presence}".format(barejid=barejid, presence=presence), 5000, "Presence")
+
+
+def prof_on_contact_offline(barejid, resource, status):
+    enabled = prof.settings_get_boolean("presence_notify", "enabled", False)
+    if enabled:
+        all_res = prof.settings_get_string_list("presence_notify", "all")
+        if not all_res or len(all_res) == 0:
+            prof.notify("{barejid} is offline".format(barejid=barejid), 5000, "Presence")
+        elif barejid in all_res:
+            prof.notify("{barejid} is {presence}".format(barejid=barejid, presence=presence), 5000, "Presence")