diff --git a/pkgs/by-name/ck/ckdl/package.nix b/pkgs/by-name/ck/ckdl/package.nix
new file mode 100644
index 0000000000000..90c8ce64a328c
--- /dev/null
+++ b/pkgs/by-name/ck/ckdl/package.nix
@@ -0,0 +1,53 @@
+{ pkgs, lib, cmake, ninja, sphinx, python3Packages, ... }:
+
+pkgs.stdenv.mkDerivation {
+  pname = "ckdl";
+  version = "1.0";
+
+  src = pkgs.fetchFromGitHub {
+    owner = "tjol";
+    repo = "ckdl";
+    tag = "1.0";
+    hash = "sha256-qEfRZzoUQZ8umdWgx+N4msjPBbuwDtkN1kNDfZicRjY=";
+  };
+
+  outputs = [ "bin" "dev" "lib" "doc" "out" ];
+
+  nativeBuildInputs = [
+    cmake
+    ninja
+    sphinx
+    python3Packages.furo
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "BUILD_TESTS" true)
+  ];
+
+  postPatch = ''
+    cd doc
+    make singlehtml
+    mkdir -p $doc/share/doc
+    mv _build/singlehtml $doc/share/doc/ckdl
+
+    cd ..
+  '';
+
+  postInstall = ''
+    mkdir -p $bin/bin
+
+    # some tools that are important for debugging.
+    # idk why they are not copied to bin by cmake, but I’m too tired to figure it out
+    install src/utils/ckdl-tokenize $bin/bin
+    install src/utils/ckdl-parse-events $bin/bin
+    install src/utils/ckdl-cat $bin/bin
+    touch $out
+  '';
+
+
+  meta = {
+    description = "ckdl is a C (C11) library that implements reading and writing the KDL Document Language.";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.all;
+  };
+}