diff --git a/pkgs/applications/science/physics/xnec2c/default.nix b/pkgs/applications/science/physics/xnec2c/default.nix
new file mode 100644
index 000000000000..47fb7cf61df9
--- /dev/null
+++ b/pkgs/applications/science/physics/xnec2c/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, stdenv
+, fetchurl
+, autoreconfHook
+, pkg-config
+, which
+, gtk3
+, blas
+, lapack
+}:
+
+assert (!blas.isILP64) && (!lapack.isILP64);
+
+stdenv.mkDerivation rec {
+  pname = "xnec2c";
+  version = "4.4.12";
+
+  src = fetchurl {
+    url = "https://www.xnec2c.org/releases/${pname}-v${version}.tar.gz";
+    hash = "sha256-6Yrx6LkJjfnMA/kJUDWLhGzGopZeecARSrcR++UScsU=";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config which ];
+  buildInputs = [ gtk3 blas lapack ];
+
+  meta = with lib; {
+    homepage = "https://www.xnec2c.org/";
+    description = "Graphical antenna simulation";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ mvs ];
+    platforms = platforms.unix;
+
+    # Darwin support likely to be fixed upstream in the next release
+    broken = stdenv.isDarwin;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 1623a08256a3..4469b008c135 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -36024,6 +36024,8 @@ with pkgs;
 
   xflr5 = libsForQt5.callPackage ../applications/science/physics/xflr5 { };
 
+  xnec2c = callPackage ../applications/science/physics/xnec2c { };
+
   ### SCIENCE/PROGRAMMING
 
   dafny = dotnetPackages.Dafny;