diff --git a/pkgs/by-name/ga/gamdl/package.nix b/pkgs/by-name/ga/gamdl/package.nix
new file mode 100644
index 0000000000000..20d65b0c81935
--- /dev/null
+++ b/pkgs/by-name/ga/gamdl/package.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  python3Packages,
+  fetchFromGitHub,
+}:
+
+python3Packages.buildPythonApplication {
+  pname = "gamdl";
+  version = "2.8";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "glomatico";
+    repo = "gamdl";
+    rev = "37c857b503ca9ea32c4b39669bbb2d23064f39ff";
+    hash = "sha256-uwl/K0KbZKwJ8mxiQOP+nGB3I69X5wv3HhfxBiiv/VM=";
+  };
+
+  pythonRelaxDeps = [
+    "click"
+    "pillow"
+    "yt-dlp"
+  ];
+
+  build-system = with python3Packages; [ setuptools ];
+
+  dependencies = with python3Packages; [
+    async-lru
+    click
+    httpx
+    inquirerpy
+    m3u8
+    mutagen
+    pillow
+    pywidevine
+    yt-dlp
+  ];
+
+  doCheck = false; # no tests
+
+  meta = {
+    description = "Command-line app for downloading Apple Music songs, music videos and post videos";
+    homepage = "https://github.com/glomatico/gamdl";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ bdim404 ];
+    platforms = lib.platforms.all;
+  };
+}
diff --git a/pkgs/development/python-modules/pymp4/default.nix b/pkgs/development/python-modules/pymp4/default.nix
new file mode 100644
index 0000000000000..fd1274abfc291
--- /dev/null
+++ b/pkgs/development/python-modules/pymp4/default.nix
@@ -0,0 +1,38 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  poetry-core,
+  construct,
+  pytestCheckHook,
+}:
+
+buildPythonPackage {
+  pname = "pymp4";
+  version = "1.4.0-unstable-2023-08-07";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "devine-dl";
+    repo = "pymp4";
+    rev = "33dc5d620f361cb49d713b60dcb2686ab8696f91";
+    hash = "sha256-tPIbehjYHg5+S62sorsWow+u/eBkqJYf6xMI8q4vEgY=";
+  };
+
+  pythonRelaxDeps = [ "construct" ];
+
+  build-system = [ poetry-core ];
+
+  dependencies = [ construct ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  doCheck = false;
+
+  meta = {
+    description = "Python library for parsing and manipulating MP4 files";
+    homepage = "https://github.com/beardypig/pymp4";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ bdim404 ];
+  };
+}
diff --git a/pkgs/development/python-modules/pywidevine/construct-2.10-compatibility.patch b/pkgs/development/python-modules/pywidevine/construct-2.10-compatibility.patch
new file mode 100644
index 0000000000000..dc83e11ae27c8
--- /dev/null
+++ b/pkgs/development/python-modules/pywidevine/construct-2.10-compatibility.patch
@@ -0,0 +1,20 @@
+--- a/pywidevine/device.py
++++ b/pywidevine/device.py
+@@ -33,7 +33,7 @@ class _Structures:
+     # - Removed vmp and vmp_len as it should already be within the Client ID
+     v2 = Struct(
+         "signature" / magic,
+-        "version" / Const(Int8ub, 2),
++        "version" / Const(2, Int8ub),
+         "type_" / CEnum(
+             Int8ub,
+             **{t.name: t.value for t in DeviceTypes}
+@@ -50,7 +50,7 @@ class _Structures:
+     # - Removed system_id as it can be retrieved from the Client ID's DRM Certificate
+     v1 = Struct(
+         "signature" / magic,
+-        "version" / Const(Int8ub, 1),
++        "version" / Const(1, Int8ub),
+         "type_" / CEnum(
+             Int8ub,
+             **{t.name: t.value for t in DeviceTypes}
diff --git a/pkgs/development/python-modules/pywidevine/default.nix b/pkgs/development/python-modules/pywidevine/default.nix
new file mode 100644
index 0000000000000..5bd9a3569940a
--- /dev/null
+++ b/pkgs/development/python-modules/pywidevine/default.nix
@@ -0,0 +1,54 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchPypi,
+  poetry-core,
+  pycryptodome,
+  protobuf,
+  requests,
+  pyyaml,
+  unidecode,
+  click,
+  pymp4,
+  construct,
+}:
+
+buildPythonPackage {
+  pname = "pywidevine";
+  version = "1.8.0";
+  pyproject = true;
+
+  src = fetchPypi {
+    pname = "pywidevine";
+    version = "1.8.0";
+    hash = "sha256-wU8/4oZEc0FrnKpz2aISUaAtchOObVTYwaP0S3prBck=";
+  };
+
+  patches = [
+    ./construct-2.10-compatibility.patch
+  ];
+
+  pythonRelaxDeps = [ "protobuf" ];
+
+  build-system = [ poetry-core ];
+
+  dependencies = [
+    click
+    construct
+    protobuf
+    pycryptodome
+    pymp4
+    pyyaml
+    requests
+    unidecode
+  ];
+
+  doCheck = false;
+
+  meta = {
+    description = "Python implementation of Google's Widevine CDM";
+    homepage = "https://github.com/devine-project/pywidevine";
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ bdim404 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 037b08734c753..4d666e77b0b52 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13328,6 +13328,8 @@ self: super: with self; {
 
   pymorphy3-dicts-uk = callPackage ../development/python-modules/pymorphy3/dicts-uk.nix { };
 
+  pymp4 = callPackage ../development/python-modules/pymp4 { };
+
   pympler = callPackage ../development/python-modules/pympler { };
 
   pymsgbox = callPackage ../development/python-modules/pymsgbox { };
@@ -15164,6 +15166,8 @@ self: super: with self; {
 
   pywfa = callPackage ../development/python-modules/pywfa { };
 
+  pywidevine = callPackage ../development/python-modules/pywidevine { };
+
   pywikibot = callPackage ../development/python-modules/pywikibot { };
 
   pywilight = callPackage ../development/python-modules/pywilight { };