diff --git a/pkgs/by-name/tk/tkgl/package.nix b/pkgs/by-name/tk/tkgl/package.nix
new file mode 100644
index 000000000000..ba5497bf588e
--- /dev/null
+++ b/pkgs/by-name/tk/tkgl/package.nix
@@ -0,0 +1,51 @@
+{
+  lib,
+  stdenv,
+  tcl,
+  fetchFromGitHub,
+  autoreconfHook,
+  tk,
+  libGL,
+}:
+
+tcl.mkTclDerivation {
+  pname = "tkgl";
+  version = "1.2.1-unstable-2025-06-01";
+
+  src = fetchFromGitHub {
+    owner = "3-manifolds";
+    repo = "TkGL";
+    rev = "45bf16e6c28a070c70fc9a0eb8c47a0b6ff8a2e3";
+    hash = "sha256-AA5LZGhMTWmTZqI/wtycUYLsUe9BwO3voGMS7vGlCM0=";
+  };
+
+  postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
+    substituteInPlace configure.ac \
+      --replace-fail "-arch x86_64 -arch arm64" ""
+  '';
+
+  configureFlags = [
+    "--with-tk=${lib.getLib tk}/lib"
+    "--with-tkinclude=${lib.getDev tk}/include"
+  ];
+
+  installTargets = [
+    "install-lib-binaries"
+  ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+  ];
+
+  buildInputs = [
+    tk
+    libGL
+  ];
+
+  meta = {
+    description = "OpenGL drawing surface for Tk 8 and 9";
+    homepage = "https://github.com/3-manifolds/TkGL";
+    license = lib.licenses.tcltk;
+    maintainers = with lib.maintainers; [ noiioiu ];
+  };
+}