diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..5b94a40
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,123 @@
+{
+  description = "ontake's custom packages!";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-unstable";
+  };
+
+  outputs =
+    inputs@{ self, nixpkgs, ... }:
+    utils.lib.eachSystem
+      [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ]
+      (
+        system:
+        let
+        in
+        {
+          packages.system.kon = with pkgs; [
+            (buildGoModule rec {
+              pname = "kon";
+              version = "0.0.1";
+
+              buildInputs = [
+                gcc
+                go
+              ] ++ libs;
+
+              nativeBuildInputs = with pkgs; [
+                pkg-config
+                makeWrapper
+              ];
+
+              subPackages = [ "." ];
+
+              src = fetchFromGitea {
+                domain = "git.ontake.dev";
+                owner = "go";
+                repo = "kon";
+                rev = "c94a27dc86c0dbe21f952d247d51b119e66bc6dc";
+                hash = "sha256-Fi8DkF8lBEdBcOKRKA0Zr9s4NDy1eSrIs9nQS5YA02Q=";
+              };
+
+              vendorHash = null;
+
+              meta = with lib; {
+                description = "A sysadmin tool for monitoring and system updates";
+                homepage = "https://git.ontake.dev/go/kon";
+                license = licenses.gpl3;
+                maintainers = [ ];
+                platforms = platforms.linux;
+              };
+
+              postInstall = ''
+                wrapProgram "$out/bin/kon" \
+                --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath libs}
+              '';
+            })
+          ];
+          packages.system.adam-gui = with pkgs; [
+            (buildGoModule rec {
+              pname = "adam-gui";
+              version = "0.0.1";
+
+              buildInputs = [
+                gcc
+                go
+              ] ++ libs;
+
+              nativeBuildInputs = with pkgs; [
+                pkg-config
+                addOpenGLRunpath
+                makeWrapper
+              ];
+
+              subPackages = [ "." ];
+
+              src = fetchFromGitea {
+                domain = "git.ontake.dev";
+                owner = "go";
+                repo = "adam-gui";
+                rev = "a64eabcfd4a85d2a3fe3e88c8f668af2c4db741d";
+                hash = "sha256-igJie5yYj7LndBGd5XA7GU0qWalrK5j+YM0hCFunXVY=";
+              };
+
+              vendorHash = null;
+
+              meta = with lib; {
+                description = "A simple GUI for ADAM branded scales";
+                homepage = "https://git.ontake.dev/go/adam-gui";
+                license = licenses.gpl3;
+                maintainers = [ ];
+                platforms = platforms.linux;
+              };
+
+              postInstall = ''
+                wrapProgram "$out/bin/adam-gui" \
+                --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath libs}
+              '';
+
+              postFixup = ''
+                addOpenGLRunpath $out/bin/adam-gui
+              '';
+            })
+            (makeDesktopItem {
+              name = "ADAM GUI";
+              desktopName = "ADAM GUI";
+              exec = "adam-gui";
+              icon = "adam-gui";
+              comment = "A simple GUI for ADAM branded scales.";
+              categories = [
+                "Science"
+                "Utility"
+              ];
+            })
+          ];
+        }
+      );
+}
+