diff --git a/homes/julian/features/suites/development/default.nix b/homes/julian/features/suites/development/default.nix
index 8632868..f911439 100644
--- a/homes/julian/features/suites/development/default.nix
+++ b/homes/julian/features/suites/development/default.nix
@@ -62,6 +62,7 @@
 
     ## My scripts
     frajul.deploy-to-pianopi
+    frajul.rtklib
 
     (pkgs.writeShellScriptBin "matlab-rsp" ''
       matlab -desktop -sd "/home/julian/git/uwa-channel-model" -softwareopengl
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 9bca779..82710e1 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -12,4 +12,5 @@
   acer-battery-health-mode = pkgs.callPackage ./acer-battery-health-mode {};
   pob2 = pkgs.callPackage ./pob2 {};
   wl-ocr = pkgs.callPackage ./wl-ocr {};
+  rtklib = pkgs.qt6Packages.callPackage ./rtklib {};
 }
diff --git a/pkgs/rtklib/default.nix b/pkgs/rtklib/default.nix
new file mode 100644
index 0000000..ae4df3d
--- /dev/null
+++ b/pkgs/rtklib/default.nix
@@ -0,0 +1,40 @@
+{
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  pkg-config,
+  qtbase,
+  wrapQtAppsHook,
+  qtserialport,
+  qttools,
+  ...
+}:
+stdenv.mkDerivation rec {
+  pname = "RTKLIB";
+  version = "b34L";
+
+  src = fetchFromGitHub {
+    owner = "rtklibexplorer";
+    repo = "${pname}";
+    rev = "${version}";
+    hash = "sha256-bQcia3aRQNcZ55fvJViAxpo2Ev276HFTZ28SEXJD5Ds=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+    wrapQtAppsHook
+  ];
+
+  buildInputs = [
+    qtbase
+    qtserialport
+    qttools
+  ];
+
+  cmakeFlags = [
+    "-DCMAKE_INSTALL_DATAROOTDIR=share"
+  ];
+
+  doCheck = true;
+}