diff --git a/pkgs/by-name/qt/qtappinstancemanager/package.nix b/pkgs/by-name/qt/qtappinstancemanager/package.nix
new file mode 100644
index 000000000000..c513a190740c
--- /dev/null
+++ b/pkgs/by-name/qt/qtappinstancemanager/package.nix
@@ -0,0 +1,44 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  qt6,
+  nix-update-script,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "qtappinstancemanager";
+  version = "1.3.0";
+
+  src = fetchFromGitHub {
+    owner = "oclero";
+    repo = "qtappinstancemanager";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-/zvNR/RHNV19ZI8d+58sotWxY16q2a7wWIBuKO52H5M=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  buildInputs = [
+    qt6.qtbase
+  ];
+
+  dontWrapQtApps = true;
+
+  passthru = {
+    updateScript = nix-update-script { };
+  };
+
+  meta = {
+    description = "Single application instance manager for Qt6";
+    homepage = "https://github.com/oclero/qtappinstancemanager";
+    changelog = "https://github.com/oclero/qtappinstancemanager/blob/${finalAttrs.src.tag}/CHANGELOG.md";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ normalcea ];
+    mainProgram = "qtappinstancemanager";
+    platforms = lib.platforms.all;
+  };
+})