diff --git a/nixos/doc/manual/release-notes/rl-2511.section.md b/nixos/doc/manual/release-notes/rl-2511.section.md
index 3042ef3d89ba..620b98f2f089 100644
--- a/nixos/doc/manual/release-notes/rl-2511.section.md
+++ b/nixos/doc/manual/release-notes/rl-2511.section.md
@@ -198,6 +198,8 @@
 
 - [yubikey-manager](https://github.com/Yubico/yubikey-manager), a tool for configuring YubiKey devices. Available as [programs.yubikey-manager](#opt-programs.yubikey-manager.enable).
 
+- [rumno](https://gitlab.com/ivanmalison/rumno), a visual pop-up notification manager. Available as [services.rumno](#opt-services.rumno.enable).
+
 ## Backward Incompatibilities {#sec-release-25.11-incompatibilities}
 
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 65d1fbbeb859..d10f2a026d5b 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -931,6 +931,7 @@
   ./services/misc/rmfakecloud.nix
   ./services/misc/rshim.nix
   ./services/misc/rsync.nix
+  ./services/misc/rumno.nix
   ./services/misc/safeeyes.nix
   ./services/misc/sdrplay.nix
   ./services/misc/servarr/lidarr.nix
diff --git a/nixos/modules/services/misc/rumno.nix b/nixos/modules/services/misc/rumno.nix
new file mode 100644
index 000000000000..d0c07e460f67
--- /dev/null
+++ b/nixos/modules/services/misc/rumno.nix
@@ -0,0 +1,64 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  cfg = config.services.rumno;
+in
+{
+  meta.maintainers = with lib.maintainers; [ imalison ];
+
+  options.services.rumno = {
+    enable = lib.mkEnableOption "rumno visual pop-up notification manager";
+
+    package = lib.mkPackageOption pkgs "rumno" { };
+
+    extraArgs = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      default = [ ];
+      example = [
+        "--verbose"
+        "--config"
+        "/etc/rumno/config.toml"
+      ];
+      description = ''
+        Extra command-line arguments to pass to the rumno daemon.
+      '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.user.services.rumno = {
+      description = "Rumno visual pop-up notification manager";
+      wantedBy = [ "graphical-session.target" ];
+      partOf = [ "graphical-session.target" ];
+      after = [ "graphical-session-pre.target" ];
+
+      serviceConfig = {
+        Type = "dbus";
+        BusName = "de.rumno.v1";
+        ExecStart = "${cfg.package}/bin/rumno daemon --foreground ${lib.escapeShellArgs cfg.extraArgs}";
+        Restart = "on-failure";
+        RestartSec = 1;
+
+        # Environment for GTK/GUI applications
+        PassEnvironment = [
+          "DISPLAY"
+          "WAYLAND_DISPLAY"
+          "XDG_RUNTIME_DIR"
+        ];
+      };
+
+      environment = {
+        # Set GTK theme environment variables if needed
+        GTK_THEME = lib.mkDefault "";
+      };
+    };
+
+    # Ensure dbus service file is installed
+    environment.systemPackages = [ cfg.package ];
+  };
+}
diff --git a/pkgs/by-name/ru/rumno/package.nix b/pkgs/by-name/ru/rumno/package.nix
new file mode 100644
index 000000000000..561627b2bdb8
--- /dev/null
+++ b/pkgs/by-name/ru/rumno/package.nix
@@ -0,0 +1,55 @@
+{
+  lib,
+  rustPlatform,
+  fetchFromGitLab,
+  pkg-config,
+  dbus,
+  gdk-pixbuf,
+  glib,
+  gtk3,
+  cairo,
+  atk,
+  pango,
+  harfbuzz,
+  nix-update-script,
+}:
+
+rustPlatform.buildRustPackage {
+  pname = "rumno";
+  version = "0-unstable-2025-08-13";
+
+  src = fetchFromGitLab {
+    owner = "ivanmalison";
+    repo = "rumno";
+    rev = "a70bf6f05976b07ae5fdced2ab80d2b9e684fb92";
+    hash = "sha256-reJIYlTR6fI42EcYGwb5BmEPVtls+s1+mFd7/34oXBw=";
+  };
+
+  cargoHash = "sha256-z9nGePcVc+RPSMPb7CAPOfUMoVlP1MKo57aVFkd1DmE=";
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    dbus
+    gdk-pixbuf
+    glib
+    gtk3
+    cairo
+    atk
+    pango
+    harfbuzz
+  ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Visual pop-up notification manager";
+    homepage = "https://gitlab.com/ivanmalison/rumno";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ imalison ];
+    mainProgram = "rumno";
+    platforms = lib.platforms.linux;
+  };
+}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index f6b308d6ebc1..cff20ea5df3f 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1652,6 +1652,7 @@ mapAliases {
   vkBasalt = throw "'vkBasalt' has been renamed to/replaced by 'vkbasalt'"; # Converted to throw 2025-10-27
   vkdt-wayland = throw "'vkdt-wayland' has been renamed to/replaced by 'vkdt'"; # Converted to throw 2025-10-27
   volk_2 = throw "'volk_2' has been removed after not being used by any package for a long time"; # Added 2025-10-25
+  volnoti = throw "'volnoti' has been removed due to lack of maintenance upstream. Consider using 'rumno' instead."; # Added 2024-12-04
   voxelands = throw "'voxelands' has been removed due to lack of upstream maintenance"; # Added 2025-08-30
   vtk_9 = warnAlias "'vtk_9' has been renamed to 'vtk_9_5'" vtk_9_5; # Added 2025-07-18
   vtk_9_egl = warnAlias "'vtk_9_5' now build with egl support by default, so `vtk_9_egl` is deprecated, consider using 'vtk_9_5' instead." vtk_9_5; # Added 2025-07-18