diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index f038cd609f62..58e04df70c65 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -7465,6 +7465,13 @@
     githubId = 201997;
     name = "Eric Seidel";
   };
+  grimmauld = {
+    name = "Sören Bender";
+    email = "soeren@benjos.de";
+    github = "LordGrimmauld";
+    githubId = 49513131;
+    matrix = "@grimmauld:grimmauld.de";
+  };
   grindhold = {
     name = "grindhold";
     email = "grindhold+nix@skarphed.org";
diff --git a/pkgs/by-name/sw/swaymux/package.nix b/pkgs/by-name/sw/swaymux/package.nix
new file mode 100644
index 000000000000..eb2064e448a6
--- /dev/null
+++ b/pkgs/by-name/sw/swaymux/package.nix
@@ -0,0 +1,37 @@
+{ cmake
+, fetchFromGitea
+, lib
+, nlohmann_json
+, qt6
+, stdenv
+}:
+stdenv.mkDerivation (finalAttrs: {
+  version = "1.0";
+  pname = "swaymux";
+
+  src = fetchFromGitea {
+    rev = "v${finalAttrs.version}";
+    domain = "git.grimmauld.de";
+    owner = "Grimmauld";
+    repo = "swaymux";
+    hash = "sha256-M85pqfYnYeVPTZXKtjg/ks5LUl3u2onG9Nfn8Xs+BSA=";
+  };
+
+  buildInputs = [ qt6.qtwayland nlohmann_json qt6.qtbase];
+  nativeBuildInputs = [ cmake qt6.wrapQtAppsHook ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    changelog = "https://git.grimmauld.de/Grimmauld/swaymux/commits/branch/main";
+    description = "A program to quickly navigate sway";
+    homepage = "https://git.grimmauld.de/Grimmauld/swaymux";
+    license = licenses.bsd3;
+    longDescription = ''
+      Swaymux allows the user to quickly navigate and administrate outputs, workspaces and containers in a tmux-style approach.
+    '';
+    mainProgram = "swaymux";
+    maintainers = with maintainers; [ grimmauld ];
+    platforms = platforms.linux;
+  };
+})