diff --git a/pkgs/os-specific/darwin/qes/default.nix b/pkgs/os-specific/darwin/qes/default.nix
new file mode 100644
index 000000000000..aa7bfb5c3be7
--- /dev/null
+++ b/pkgs/os-specific/darwin/qes/default.nix
@@ -0,0 +1,26 @@
+{ stdenv, fetchFromGitHub, Carbon }:
+
+stdenv.mkDerivation rec {
+  name = "qes-${version}";
+  version = "0.0.2";
+
+  src = fetchFromGitHub {
+    owner = "koekeishiya";
+    repo = "qes";
+    rev = "ddedf008f0c38b134501ad9f328447b671423d34";  # no tag
+    sha256 = "1w9ppid7jg6f4q7pq40lhm0whg7xmnxcmf3pb9xqfkq2zj2f7dxv";
+  };
+
+  buildInputs = [ Carbon ];
+
+  makeFlags = [ "BUILD_PATH=$(out)/bin" ];
+
+  meta = with stdenv.lib; {
+    description = "Quartz Event Synthesizer";
+    homepage = https://github.com/koekeishiya/qes;
+    platforms = platforms.darwin;
+    maintainers = with maintainers; [ lnl7 ];
+    license = licenses.mit;
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b5405b944278..f340ad1dd5cb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -670,6 +670,10 @@ with pkgs;
 
   reattach-to-user-namespace = callPackage ../os-specific/darwin/reattach-to-user-namespace {};
 
+  qes = callPackage ../os-specific/darwin/qes {
+    inherit (darwin.apple_sdk.frameworks) Carbon;
+  };
+
   xcodeenv = callPackage ../development/mobile/xcodeenv { };
 
   titaniumenv = callPackage ../development/mobile/titaniumenv {