diff --git a/pkgs/development/tools/maligned/default.nix b/pkgs/development/tools/maligned/default.nix
new file mode 100644
index 00000000000..7e5cbaddd8b
--- /dev/null
+++ b/pkgs/development/tools/maligned/default.nix
@@ -0,0 +1,30 @@
+{ buildGoPackage
+, lib
+, fetchFromGitHub
+}:
+
+buildGoPackage rec {
+  name = "maligned-unstable-${version}";
+  version = "2018-07-07";
+  rev = "6e39bd26a8c8b58c5a22129593044655a9e25959";
+
+  goPackagePath = "github.com/mdempsky/maligned";
+
+  src = fetchFromGitHub {
+    inherit rev;
+
+    owner = "mdempsky";
+    repo = "maligned";
+    sha256 = "08inr5xjqv9flrlyhqd8ck1q26y5xb6iilz0xkb6bqa4dl5ialhi";
+  };
+
+  goDeps = ./deps.nix;
+
+  meta = with lib; {
+    description = "Tool to detect Go structs that would take less memory if their fields were sorted.";
+    homepage = https://github.com/mdempsky/maligned;
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ kalbasit ];
+    platforms = platforms.linux ++ platforms.darwin;
+  };
+}
diff --git a/pkgs/development/tools/maligned/deps.nix b/pkgs/development/tools/maligned/deps.nix
new file mode 100644
index 00000000000..afe5e50e47b
--- /dev/null
+++ b/pkgs/development/tools/maligned/deps.nix
@@ -0,0 +1,20 @@
+[
+  {
+    goPackagePath = "github.com/kisielk/gotool";
+    fetch = {
+      type = "git";
+      url = "https://github.com/kisielk/gotool";
+      rev = "80517062f582ea3340cd4baf70e86d539ae7d84d";
+      sha256 = "14af2pa0ssyp8bp2mvdw184s5wcysk6akil3wzxmr05wwy951iwn";
+    };
+  }
+  {
+    goPackagePath = "golang.org/x/tools";
+    fetch = {
+      type = "git";
+      url = "https://go.googlesource.com/tools";
+      rev = "96e9e165b75e735822645eff82850b08c377be36";
+      sha256 = "1zj9ck5sg9b0pphxybmvxf64hhcap7v7j37fx3v5aknf18crjjdg";
+    };
+  }
+]
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b665ea1d393..d358f043e38 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -15528,6 +15528,8 @@ with pkgs;
 
   interfacer = callPackage ../development/tools/interfacer { };
 
+  maligned = callPackage ../development/tools/maligned { };
+
   inter-ui = callPackage ../data/fonts/inter-ui { };
 
   siji = callPackage ../data/fonts/siji { };