diff --git a/configuration.nix b/configuration.nix
index 03120b3..2046915 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -439,6 +439,69 @@ in
           '';
         })
 
+        (stdenv.mkDerivation {
+          pname = "erlu-idef0-editor";
+          version = "1.0.1";
+
+          src = builtins.fetchGit {
+            url = "http://45.87.246.92/forgejo/gregorbednov/erlu.git";
+            ref = "master";
+            rev = "58198c6ecd8572f1c7db42b90c8189954c9a32fc";
+          };
+          nativeBuildInputs = with pkgs; [
+            cmake
+            pkg-config
+            qt6.wrapQtAppsHook
+            qt6.qttools
+          ];
+          
+          buildInputs = with pkgs; [
+            qt6.qtbase
+            qt6.qtsvg
+          ];
+
+          configurePhase = ''
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=$out \
+            -DBUILD_COLORS_PLUGIN=ON
+          '';
+
+          buildPhase = ''
+            cmake --build build
+            find . -path "*/translations/*.ts" -print0 | while IFS= read -r -d "" f; do
+              out_path=$(printf '%s\n' "$f" | sed 's/\.ts$/.qm/')
+              lrelease "$f" -qm "$out_path"
+            done
+          '';
+          
+          installPhase = ''
+            runHook preInstall
+            cmake --install build --prefix $out
+            # app translations
+            if [ -d translations ]; then
+              mkdir -p $out/share/idef0/translations
+              find translations -maxdepth 1 -type f -name '*.qm' -print0 | xargs -0 -r cp -t $out/share/idef0/translations
+            fi
+            # plugin translations
+            find src/plugins -path "*/translations/*.qm" -print0 | while IFS= read -r -d "" f; do
+              rel="''${f#src/plugins/}"          # e.g., color/translations/colors_en.qm
+              plugdir="''${rel%%/translations/*}" # e.g., color
+              dest="$out/plugins/$plugdir/translations"
+              mkdir -p "$dest"
+              cp "$f" "$dest/"
+            done
+            runHook postInstall
+          '';
+
+          qtWrapperArgs = [ "--set" "QT_LOGGING_RULES" "qt.qpa.wayland.textinput=false" ];
+          meta = with lib; {
+            description = "IDEF0 diagram editor built with Qt 6 Widgets";
+            license = licenses.lgpl3Plus;
+            mainProgram = "erlu_idef0_editor";
+            platforms = platforms.linux;
+          };
+        })
+
         (pkgs.writeShellScriptBin "gcc" ''${pkgs.clang}/bin/clang "$@"'')
         (pkgs.writeShellScriptBin "g++" ''${pkgs.clang}/bin/clang++ "$@"'')