diff --git a/packaging/nix/ethercat.nix b/packaging/nix/ethercat.nix
new file mode 100644
index 000000000..eacaf9151
--- /dev/null
+++ b/packaging/nix/ethercat.nix
@@ -0,0 +1,29 @@
+{
+  autoconf,
+  automake,
+  cmake,
+  lib,
+  libtool,
+  pkg-config,
+  stdenv,
+  src,
+}:
+stdenv.mkDerivation {
+  pname = "ethercat";
+  version = "villas";
+  src = src;
+  separateDebugInfo = true;
+  nativeBuildInputs = [autoconf automake libtool pkg-config];
+  preConfigure = ''
+    bash ./bootstrap
+  '';
+  configureFlags = [
+    "--enable-userlib=yes"
+    "--enable-kernel=no"
+  ];
+  meta = with lib; {
+    description = "IgH EtherCAT Master for Linux";
+    homepage = "https://etherlab.org/master";
+    license = licenses.gpl2Only;
+  };
+}
diff --git a/packaging/nix/flake.lock b/packaging/nix/flake.lock
index 574abd6e2..91713f0fc 100644
--- a/packaging/nix/flake.lock
+++ b/packaging/nix/flake.lock
@@ -16,20 +16,36 @@
         "type": "github"
       }
     },
+    "ethercat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1689851599,
+        "narHash": "sha256-r829UW4ziY+QUxqjb2j2Bo+xJeUNWn6WiSRK3Gly2Zo=",
+        "owner": "etherlab.org",
+        "repo": "ethercat",
+        "rev": "c8a512ac077f2ab51bb072bfbef1a687f9f1c090",
+        "type": "gitlab"
+      },
+      "original": {
+        "owner": "etherlab.org",
+        "ref": "stable-1.5",
+        "repo": "ethercat",
+        "type": "gitlab"
+      }
+    },
     "fpga": {
       "flake": false,
       "locked": {
-        "lastModified": 1686871446,
-        "narHash": "sha256-pRFFr72NVge4UgwBvc8gYygnvOHghTSUGI+JtqpRlxo=",
-        "ref": "refs/heads/villas-node",
-        "rev": "ce8612379de62f50a52e172fe8eaee924d5d8822",
-        "revCount": 481,
+        "lastModified": 1690302379,
+        "narHash": "sha256-u2u4CUffhA9jxtuk4HokqlmyDQGNz4+LOEJ5Z9DhedU=",
+        "ref": "refs/heads/master",
+        "rev": "1cac3fafde6ef3098a145f9d5d936a2dc6b7d7c0",
+        "revCount": 532,
         "submodules": true,
         "type": "git",
         "url": "https://github.com/VILLASframework/fpga.git"
       },
       "original": {
-        "ref": "refs/heads/villas-node",
         "submodules": true,
         "type": "git",
         "url": "https://github.com/VILLASframework/fpga.git"
@@ -90,11 +106,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1687354544,
-        "narHash": "sha256-1Xu+QzyA10AiY21i27Zu9bqQAaxXBacNKbGUA9OZy7Y=",
+        "lastModified": 1692254348,
+        "narHash": "sha256-CyRMA7Rap1X65k4p/uoaLXhbnn+PZvwxNHSeLuiQ9ss=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "876181e3ae452cc6186486f6f7300a8a6de237cb",
+        "rev": "5353604b0affde24dcd75e59d0d22342b1758cfb",
         "type": "github"
       },
       "original": {
@@ -107,6 +123,7 @@
     "root": {
       "inputs": {
         "common": "common",
+        "ethercat": "ethercat",
         "fpga": "fpga",
         "lib60870": "lib60870",
         "libdatachannel": "libdatachannel",
diff --git a/packaging/nix/flake.nix b/packaging/nix/flake.nix
index 1c7f4f0a1..2f87bb4c2 100644
--- a/packaging/nix/flake.nix
+++ b/packaging/nix/flake.nix
@@ -12,11 +12,15 @@
     fpga = {
       type = "git";
       url = "https://github.com/VILLASframework/fpga.git";
-      ref = "refs/heads/villas-node";
       submodules = true;
       flake = false;
     };
 
+    ethercat = {
+      url = "gitlab:etherlab.org/ethercat/stable-1.5";
+      flake = false;
+    };
+
     lib60870 = {
       url = "github:mz-automation/lib60870/v2.3.2";
       flake = false;
@@ -71,7 +75,8 @@
           self.overlays.minimal
         ];
       })
-      .pkgsCross.${crossSystem};
+      .pkgsCross
+      .${crossSystem};
 
     # build villas and its dependencies for the specified `pkgs`
     packagesWith = pkgs: rec {
@@ -91,6 +96,10 @@
         withAllNodes = true;
       };
 
+      ethercat = pkgs.callPackage ./ethercat.nix {
+        src = inputs.ethercat;
+      };
+
       lib60870 = pkgs.callPackage ./lib60870.nix {
         src = inputs.lib60870;
       };
@@ -131,7 +140,7 @@
         pkgs = pkgsFor system;
         shellHook = ''[ -z "$PS1" ] || exec "$SHELL"'';
         hardeningDisable = ["all"];
-        packages = with pkgs; [bashInteractive criterion bc jq];
+        packages = with pkgs; [bashInteractive bc boxfort criterion jq libffi libgit2 pcre];
       in rec {
         default = full;
 
diff --git a/packaging/nix/villas.nix b/packaging/nix/villas.nix
index 711793fab..a3de2c3e8 100644
--- a/packaging/nix/villas.nix
+++ b/packaging/nix/villas.nix
@@ -7,17 +7,23 @@
   withAllFormats ? false,
   withAllHooks ? false,
   withAllNodes ? false,
+  # extras
   withExtraConfig ? withAllExtras,
   withExtraGraphviz ? withAllExtras,
+  # formats
   withFormatProtobuf ? withAllFormats,
+  # hooks
   withHookLua ? withAllHooks,
+  # nodes
   withNodeAmqp ? withAllNodes,
   withNodeComedi ? withAllNodes,
   withNodeFpga ? withAllNodes,
+  withNodeEthercat ? withAllNodes,
   withNodeIec60870 ? withAllNodes,
   withNodeIec61850 ? withAllNodes,
   withNodeInfiniband ? withAllNodes,
   withNodeKafka ? withAllNodes,
+  withNodeModbus ? withAllNodes,
   withNodeMqtt ? withAllNodes,
   withNodeNanomsg ? withAllNodes,
   withNodeRedis ? withAllNodes,
@@ -42,12 +48,14 @@
   comedilib,
   curl,
   czmq,
+  ethercat,
   gnugrep,
   jansson,
   lib60870,
   libconfig,
   libdatachannel,
   libiec61850,
+  libmodbus,
   libnl,
   libre,
   libsodium,
@@ -73,7 +81,8 @@ stdenv.mkDerivation {
   pname = "villas";
   outputs = ["out" "dev"];
   separateDebugInfo = true;
-  cmakeFlags = []
+  cmakeFlags =
+    []
     ++ lib.optionals (!withGpl) ["-DWITHOUT_GPL=ON"]
     ++ lib.optionals withFormatProtobuf ["-DCMAKE_FIND_ROOT_PATH=${protobufcBuildBuild}/bin"];
   postPatch = ''
@@ -116,10 +125,12 @@ stdenv.mkDerivation {
     ++ lib.optionals withHookLua [lua]
     ++ lib.optionals withNodeAmqp [rabbitmq-c]
     ++ lib.optionals withNodeComedi [comedilib]
+    ++ lib.optionals withNodeEthercat [ethercat]
     ++ lib.optionals withNodeIec60870 [lib60870]
     ++ lib.optionals withNodeIec61850 [libiec61850]
     ++ lib.optionals withNodeInfiniband [rdma-core]
     ++ lib.optionals withNodeKafka [rdkafka]
+    ++ lib.optionals withNodeModbus [libmodbus]
     ++ lib.optionals withNodeMqtt [mosquitto]
     ++ lib.optionals withNodeNanomsg [nanomsg]
     ++ lib.optionals withNodeRedis [redis-plus-plus]