diff --git a/pkgs/by-name/ru/rux/package.nix b/pkgs/by-name/ru/rux/package.nix
new file mode 100644
index 000000000000..bcf9bb2d6d45
--- /dev/null
+++ b/pkgs/by-name/ru/rux/package.nix
@@ -0,0 +1,59 @@
+{
+  lib,
+  llvmPackages_21,
+  fetchFromGitHub,
+  cmake,
+  ninja,
+}:
+
+llvmPackages_21.libcxxStdenv.mkDerivation (finalAttrs: {
+  pname = "rux";
+  version = "0.3.0";
+
+  src = fetchFromGitHub {
+    owner = "rux-lang";
+    repo = "Rux";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-GqShkT8uXi0C1W0G2+nuU8p1NcigdfEPOF/Yb5KCOhk=";
+  };
+
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 4.2)" "cmake_minimum_required(VERSION 4.1)"
+  '';
+
+  strictDeps = true;
+  __structuredAttrs = true;
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+  ];
+
+  buildInputs = [
+    llvmPackages_21.libcxx
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_CXX_SCAN_FOR_MODULES=OFF"
+  ];
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/bin
+    cp ../Bin/Release/rux $out/bin/
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "A fast, compiled, strongly typed, multi-paradigm programming language";
+    homepage = "https://rux-lang.dev";
+    license = licenses.mit;
+    maintainers = with maintainers; [
+      KirCK
+      lukas-sgx
+    ];
+    mainProgram = "rux";
+    platforms = platforms.all;
+  };
+})