diff --git a/default.nix b/default.nix
index b9087ab..4789c05 100644
--- a/default.nix
+++ b/default.nix
@@ -16,8 +16,8 @@ with pkgs;
   modules = import ./modules; # NixOS modules
   overlays = import ./overlays; # nixpkgs overlays
 
-  example-package = callPackage ./pkgs/example-package { };
   nvboard = callPackage ./pkgs/nvboard { };
-  # some-qt5-package = pkgs.libsForQt5.callPackage ./pkgs/some-qt5-package { };
-  # ...
+  ieda = callPackage ./pkgs/ieda { };
+  abstract-machine = callPackage ./pkgs/abstract-machine { };
+  pcap2socks = callPackage ./pkgs/pcap2socks { };
 }
diff --git a/pkgs/example-package/default.nix b/pkgs/example-package/default.nix
deleted file mode 100644
index 41e22df..0000000
--- a/pkgs/example-package/default.nix
+++ /dev/null
@@ -1,9 +0,0 @@
-{ stdenv }:
-
-stdenv.mkDerivation rec {
-  name = "example-package-${version}";
-  version = "1.0";
-  src = ./.;
-  buildPhase = "echo echo Hello World > example";
-  installPhase = "install -Dm755 example $out";
-}
diff --git a/pkgs/pcap2socks/Cargo.lock b/pkgs/pcap2socks/Cargo.lock
new file mode 100644
index 0000000..c558c71
--- /dev/null
+++ b/pkgs/pcap2socks/Cargo.lock
@@ -0,0 +1,1054 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
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+ "gimli",
+]
+
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+ "version_check",
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diff --git a/pkgs/pcap2socks/default.nix b/pkgs/pcap2socks/default.nix
new file mode 100644
index 0000000..5e75e43
--- /dev/null
+++ b/pkgs/pcap2socks/default.nix
@@ -0,0 +1,33 @@
+{ lib
+, rustPlatform
+, fetchFromGitHub
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "pcap2socks";
+  version = "0.6.2";
+
+  src = fetchFromGitHub {
+    owner = "xinyangli";
+    repo = "pcap2socks";
+    rev = "2c34673b0013160ee3f083f724d31b0b60ad2889";
+    hash = "sha256-YkSHhbybvIM8obfWnw475YVrrysgDlHQsOYPm53028Q=";
+  };
+
+  cargoLock = let
+    fixupLockFile = path: (builtins.readFile path);
+  in {
+    lockFileContents = fixupLockFile ./Cargo.lock;
+    outputHashes = {
+      "netifs-0.3.0" = "sha256-DOHEDP1iazHFOt1x5DpxRjr8KD7Sm7/RxKI492HDk3I=";
+    };
+  };
+
+  meta = with lib; {
+    description = "Redirect traffic to SOCKS proxy with pcap";
+    homepage = "https://github.com/zhxie/pcap2socks";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+    mainProgram = "pcap2socks";
+  };
+}