diff --git a/pkgs/by-name/do/door-knocker/package.nix b/pkgs/by-name/do/door-knocker/package.nix
new file mode 100644
index 000000000000..4eca54240ea8
--- /dev/null
+++ b/pkgs/by-name/do/door-knocker/package.nix
@@ -0,0 +1,49 @@
+{ stdenv
+, lib
+, fetchFromGitea
+, blueprint-compiler
+, desktop-file-utils
+, glib
+, gtk4
+, libadwaita
+, meson
+, ninja
+, pkg-config
+, wrapGAppsHook4
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "door-knocker";
+  version = "0.4.1";
+
+  src = fetchFromGitea {
+    domain = "codeberg.org";
+    owner = "tytan652";
+    repo = "door-knocker";
+    rev = finalAttrs.version;
+    hash = "sha256-cJmb/T156K+nISPQImBFkF3OMg/gPpgz0jGVM7gCbP8=";
+  };
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    pkg-config
+    desktop-file-utils
+    blueprint-compiler
+    wrapGAppsHook4
+  ];
+
+  buildInputs = [
+    glib
+    gtk4
+    libadwaita
+  ];
+
+  meta = with lib; {
+    description = "Tool to check the availability of portals";
+    homepage = "https://codeberg.org/tytan652/door-knocker";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ jtojnar ];
+    platforms = platforms.linux;
+  };
+})