diff --git a/README.md b/README.md
index b5ddbba..e58c87a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,80 @@
 # tools
 
+This repository contains latest version of useful utilities with patches that
+not included in official repositories.
+
+# Usage
+
+## As package
+
+```sh
+nix build git+https://git.pleshevski.ru/mynix/tools#<name>
+```
+
+## As one-time executable application
+
+```sh
+nix run git+https://git.pleshevski.ru/mynix/tools#<name>
+```
+
+## Using nix-profile
+
+```sh
+nix profile install git+https://git.pleshevski.ru/mynix/tools#<name>
+```
+
+## As overlay for your flake
+
+```
+{
+  inputs.tools.url = "git+https://git.pleshevski.ru/mynix/tools";
+
+  outputs = { nixpkgs, tools }:
+    let
+      system = builtins.currentSystem;
+      overlays = [ tools.overlays.all ];
+      pkgs = import nixpkgs { inherit system overlays; };
+    in
+    {
+      devShells = {
+        default = pkgs.mkShell {
+          # now you can use any tools
+          packages = with pkgs; [ d2 ];
+        };
+      };
+    };
+}
+```
+
+> **Note**: For short this url (`git+https://git.pleshevski.ru/mynix/tools`)
+will be truncated to `.` in the document.
+
+
+# d2
+
+_D2 is a modern diagram scripting language that turns text to diagrams._
+
+References:
+- [https://d2lang.com](https://d2lang.com)
+- [https://github.com/terrastruct/d2](https://github.com/terrastruct/d2)
+
+**d2**: Base d2 cli tool
+
+```
+nix run .#d2 -- --help
+```
+
+**[UNFREE]** **d2full**: Full d2 cli tool with d2plugin-tala
+
+```
+NIXPKGS_ALLOW_UNFREE=1 nix run --impure .#d2full -- --help
+```
+
+**[UNFREE]** **d2plugin-tala**: A diagram layout engine designed specifically for software
+architecture diagrams
+
+```
+NIXPKGS_ALLOW_UNFREE=1 nix run --impure .#d2full -- --help
+```
+
+
diff --git a/flake.nix b/flake.nix
index 26963b1..49d644b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -7,13 +7,17 @@
     let
       inherit (builtins) listToAttrs mapAttrs;
 
-      mkPackage = pkgs: name: pkgs.callPackage ./pkgs/${name}.nix { };
+      mkPackage = pkgs': name:
+        pkgs'.callPackage ./pkgs/${name}.nix (
+          if name == "d2" then { d2plugin-tala = mkPackage pkgs' "d2plugin-tala"; }
+          else { }
+        );
       mkApp = drv: flake-utils.lib.mkApp { inherit drv; };
       mkOverlay = name:
         final: prev:
           final.setAttrByPath [ name ] (mkPackage name prev);
 
-      allPackageNames = [ "d2" ];
+      allPackageNames = [ "d2" "d2plugin-tala" ];
       mkAllPackages = pkgs':
         listToAttrs
           (map
@@ -33,7 +37,10 @@
     // flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs { inherit system; };
-        packages = mkAllPackages pkgs;
+        basePackages = mkAllPackages pkgs;
+        packages = with basePackages; {
+          d2full = d2.override { withTala = true; };
+        } // basePackages;
       in
       {
         check = packages;
diff --git a/pkgs/d2.nix b/pkgs/d2.nix
index d6921f7..5fd36d1 100644
--- a/pkgs/d2.nix
+++ b/pkgs/d2.nix
@@ -1,37 +1,52 @@
 { lib
 , buildGoModule
+, makeWrapper
+, symlinkJoin
 , fetchFromGitHub
 , installShellFiles
+, d2plugin-tala
+, withTala ? false
 }:
 
-let version = "2022-12-12"; in
+let
+  version = "2022-12-12";
+  d2 = buildGoModule
+    {
+      pname = "d2";
+      inherit version;
 
-buildGoModule {
-  pname = "d2";
-  inherit version;
+      src = fetchFromGitHub {
+        owner = "terrastruct";
+        repo = "d2";
+        rev = "a557d1a6edeb18d692c1e1c20c3c0f0cffc2ed21";
+        sha256 = "sha256-EzaBURGLnxSX+1FjYQLP7oxov7dGk7xhAnpV8DPzW/g=";
+      };
 
-  src = fetchFromGitHub {
-    owner = "terrastruct";
-    repo = "d2";
-    rev = "a557d1a6edeb18d692c1e1c20c3c0f0cffc2ed21";
-    sha256 = "sha256-EzaBURGLnxSX+1FjYQLP7oxov7dGk7xhAnpV8DPzW/g=";
-  };
+      vendorSha256 = "sha256-p0os+ap2k5nYWI4+Hf4pwJfHTXaPJldJmf6nznhuRFA=";
 
-  vendorSha256 = "sha256-p0os+ap2k5nYWI4+Hf4pwJfHTXaPJldJmf6nznhuRFA=";
+      ldflags = [
+        "-s"
+        "-w"
+        "-X oss.terrastruct.com/d2/lib/version.Version=${version}"
+      ];
 
-  ldflags = [
-    "-s"
-    "-w"
-    "-X oss.terrastruct.com/d2/lib/version.Version=${version}"
-  ];
+      nativeBuildInputs = [ installShellFiles ];
 
-  nativeBuildInputs = [ installShellFiles ];
+      patches = [
+        ../patches/d2/402_preserve_leading_comment_spacing.patch
+      ];
 
-  patches = [
-    ../patches/d2/402_preserve_leading_comment_spacing.patch
-  ];
+      postInstall = "installManPage ci/release/template/man/d2.1";
 
-  postInstall = "installManPage ci/release/template/man/d2.1";
-
-  subPackages = [ "." ];
+      subPackages = [ "." ];
+    };
+in
+symlinkJoin {
+  name = "d2";
+  paths = [ d2 ] ++ lib.optional withTala [ d2plugin-tala ];
+  buildInputs = [ makeWrapper ];
+  postBuild = ''
+    wrapProgram $out/bin/d2 \
+      --prefix PATH : "$out/bin"
+  '';
 }
diff --git a/pkgs/d2plugin-tala.nix b/pkgs/d2plugin-tala.nix
new file mode 100644
index 0000000..083448d
--- /dev/null
+++ b/pkgs/d2plugin-tala.nix
@@ -0,0 +1,36 @@
+{ system, stdenv, lib, fetchurl, installShellFiles }:
+
+let
+  platform = if stdenv.isLinux then "linux" else "darwin";
+  arch = if lib.hasPrefix "x86_" system then "amd64" else "arm64";
+  version = "0.2.7";
+  fileName = "tala-v${version}-${platform}-${arch}.tar.gz";
+in
+stdenv.mkDerivation {
+  pname = "d2plugin-tala";
+  inherit version;
+
+  src = fetchurl {
+    url = "https://github.com/terrastruct/TALA/releases/download/v${version}/${fileName}";
+    sha256 = "sha256-p6nXOcveZ28Q1ODpbV9dVrGTtoXgxkFdsiXY61BK0dA=";
+  };
+
+  nativeBuildInputs = [ installShellFiles ];
+
+  phases = [ "unpackPhase" "installPhase" ];
+
+  unpackPhase = "tar --strip-component=1 -xf $src";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp bin/d2plugin-tala $out/bin
+    installManPage man/d2plugin-tala.1
+    installManPage man/tala.1
+  '';
+
+  meta = with lib; {
+    description = "A diagram layout engine designed specifically for software architecture diagrams";
+    homepage = "https://terrastruct.com/tala";
+    license = licenses.unfree;
+  };
+}