diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 2f534983238..bd9b5d5b37f 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -9676,6 +9676,10 @@
     email = "oliver.huntuk@gmail.com";
     name = "Oliver Hunt";
   };
+  vq = {
+    email = "vq@erq.se";
+    name = "Daniel Nilsson";
+  };
   vrthra = {
     email = "rahul@gopinath.org";
     github = "vrthra";
diff --git a/pkgs/development/libraries/liblxi/default.nix b/pkgs/development/libraries/liblxi/default.nix
new file mode 100644
index 00000000000..ebb8cbe0376
--- /dev/null
+++ b/pkgs/development/libraries/liblxi/default.nix
@@ -0,0 +1,34 @@
+{ stdenv, fetchFromGitHub
+, pkg-config, autoreconfHook
+, libtirpc, rpcsvc-proto, avahi, libxml2
+}:
+
+stdenv.mkDerivation rec {
+  pname = "liblxi";
+  version = "1.13";
+
+  src = fetchFromGitHub {
+    owner = "lxi-tools";
+    repo = "liblxi";
+    rev = "v${version}";
+    sha256 = "129m0k2wrlgs25qkskynljddqspasla1x8iq51vmg38nhnilpqf6";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config rpcsvc-proto ];
+
+  buildInputs = [ libtirpc avahi libxml2 ];
+
+  meta = with stdenv.lib; {
+    description = "Library for communicating with LXI compatible instruments";
+    longDescription = ''
+      liblxi is an open source software library which offers a simple
+      API for communicating with LXI compatible instruments.
+      The API allows applications to easily discover instruments
+      on networks and communicate SCPI commands.
+    '';
+    homepage = "https://lxi-tools.github.io/";
+    license = licenses.bsd3;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.vq ];
+  };
+}
diff --git a/pkgs/tools/graphics/metapixel/default.nix b/pkgs/tools/graphics/metapixel/default.nix
new file mode 100644
index 00000000000..a97be7f809c
--- /dev/null
+++ b/pkgs/tools/graphics/metapixel/default.nix
@@ -0,0 +1,33 @@
+{ stdenv, fetchFromGitHub, libpng, libjpeg, giflib, perl, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "metapixel";
+  version = "1.0.2";
+
+  src = fetchFromGitHub {
+    owner = "schani";
+    repo = pname;
+    rev = "98ee9daa093b6c334941242e63f90b1c2876eb4f";
+    fetchSubmodules = true;
+    sha256 = "0r7n3a6bvcxkbpda4mwmrpicii09iql5z69nkjqygkwxw7ny3309";
+  };
+
+  makeFlags = [ "metapixel" ];
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ libpng libjpeg giflib perl ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp metapixel $out/bin/metapixel
+    cp metapixel-prepare $out/bin/metapixel-prepare
+    cp metapixel-sizesort $out/bin/metapixel-sizesort
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://github.com/schani/metapixel";
+    description = "Tool for generating photomosaics";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ dandellion ];
+  };
+}
diff --git a/pkgs/tools/networking/cantoolz/default.nix b/pkgs/tools/networking/cantoolz/default.nix
new file mode 100644
index 00000000000..11a0315184c
--- /dev/null
+++ b/pkgs/tools/networking/cantoolz/default.nix
@@ -0,0 +1,62 @@
+{ lib
+, bitstring
+, buildPythonApplication
+, fetchFromGitHub
+, fetchpatch
+, flask
+, mido
+, numpy
+, pyserial
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonApplication rec {
+  pname = "cantoolz";
+  version = "3.7.0";
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "CANToolz";
+    repo = "CANToolz";
+    rev = "v${version}";
+    sha256 = "0xkj7zyx6pz866q61c84mdagpgdyd633v85hk7qxhamca33rc4yi";
+  };
+
+  patches = [
+    (fetchpatch {
+      # Replace time.clock() which was removed, https://github.com/CANToolz/CANToolz/pull/30
+      url = "https://github.com/CANToolz/CANToolz/pull/30/commits/d75574523d3b273c40fb714532c4de27f9e6dd3e.patch";
+      sha256 = "0g91hywg5q6f2qk1awgklywigclrbhh6a6mwd0kpbkk1wawiiwbc";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    flask
+    pyserial
+    mido
+    numpy
+    bitstring
+  ];
+
+  checkInputs = [ pytestCheckHook ];
+  disabledTests = [ "test_process" ];
+  pythonImportsCheck = [ "cantoolz" ];
+
+  meta = with lib; {
+    description = "Black-box CAN network analysis framework";
+    longDescription = ''
+      CANToolz is a framework for analysing CAN networks and devices. It
+      provides multiple modules that can be chained using CANToolz's pipe
+      system and used by security researchers, automotive/OEM security
+      testers in black-box analysis.
+
+      CANToolz can be used for ECU discovery, MitM testing, fuzzing, brute
+      forcing, scanning or R&D, testing and validation. More can easily be
+      implemented with a new module.
+    '';
+    homepage = "https://github.com/CANToolz/CANToolz";
+    license = with licenses; [ asl20 ];
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/tools/networking/lxi-tools/default.nix b/pkgs/tools/networking/lxi-tools/default.nix
new file mode 100644
index 00000000000..3f3e62fb807
--- /dev/null
+++ b/pkgs/tools/networking/lxi-tools/default.nix
@@ -0,0 +1,34 @@
+{ stdenv, fetchFromGitHub
+, autoreconfHook, pkg-config
+, liblxi, readline, lua
+}:
+
+stdenv.mkDerivation rec {
+  pname = "lxi-tools";
+  version = "1.21";
+
+  src = fetchFromGitHub {
+    owner = "lxi-tools";
+    repo = "lxi-tools";
+    rev = "v${version}";
+    sha256 = "0rkp6ywsw2zv7hpbr12kba79wkcwqin7xagxxhd968rbfkfdxlwc";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+
+  buildInputs = [ liblxi readline lua ];
+
+  meta = with stdenv.lib; {
+    description = "Tool for communicating with LXI compatible instruments";
+    longDescription = ''
+      lxi-tools is a collection of open source software tools
+      that enables control of LXI compatible instruments such
+      as modern oscilloscopes, power supplies,
+      spectrum analyzers etc.
+    '';
+    homepage = "https://lxi-tools.github.io/";
+    license = licenses.bsd3;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.vq ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 95e0d1ac6f2..c0aafcfbf3d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -713,6 +713,8 @@ in
 
   albert = libsForQt5.callPackage ../applications/misc/albert {};
 
+  metapixel = callPackage ../tools/graphics/metapixel { };
+
   ### APPLICATIONS/TERMINAL-EMULATORS
 
   alacritty = callPackage ../applications/terminal-emulators/alacritty {
@@ -2944,6 +2946,8 @@ in
 
   cantata = libsForQt5.callPackage ../applications/audio/cantata { };
 
+  cantoolz = python3Packages.callPackage ../tools/networking/cantoolz { };
+
   can-utils = callPackage ../os-specific/linux/can-utils { };
 
   caudec = callPackage ../applications/audio/caudec { };
@@ -14794,6 +14798,8 @@ in
 
   libltc = callPackage ../development/libraries/libltc { };
 
+  liblxi = callPackage ../development/libraries/liblxi { };
+
   libmaxminddb = callPackage ../development/libraries/libmaxminddb { };
 
   libmcrypt = callPackage ../development/libraries/libmcrypt {};
@@ -23111,6 +23117,8 @@ in
 
   lv2-cpp-tools = callPackage ../applications/audio/lv2-cpp-tools { };
 
+  lxi-tools = callPackage ../tools/networking/lxi-tools { };
+
   lynx = callPackage ../applications/networking/browsers/lynx { };
 
   lyrebird = callPackage ../applications/audio/lyrebird { };