diff --git a/pkgs/development/python-modules/moreorless/default.nix b/pkgs/development/python-modules/moreorless/default.nix
new file mode 100644
index 000000000000..8f849b42f137
--- /dev/null
+++ b/pkgs/development/python-modules/moreorless/default.nix
@@ -0,0 +1,56 @@
+{ lib
+, buildPythonPackage
+, click
+, fetchFromGitHub
+, parameterized
+, pytestCheckHook
+, pythonOlder
+, setuptools-scm
+}:
+
+buildPythonPackage rec {
+  pname = "moreorless";
+  version = "0.4.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.8";
+
+  src = fetchFromGitHub {
+    owner = "thatch";
+    repo = "moreorless";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-N11iqsxMGgzwW2QYeOoHQaR/aDEuoUnnd/2Mc5culN0=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    setuptools-scm
+  ];
+
+  propagatedBuildInputs = [
+    click
+  ];
+
+  nativeCheckInputs = [
+    parameterized
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "moreorless"
+  ];
+
+  pytestFlagsArray = [
+    "moreorless/tests/click.py"
+    "moreorless/tests/general.py"
+    "moreorless/tests/patch.py"
+  ];
+
+  meta = with lib; {
+    description = "Wrapper to make difflib.unified_diff more fun to use";
+    homepage = "https://github.com/thatch/moreorless/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/stdlibs/default.nix b/pkgs/development/python-modules/stdlibs/default.nix
new file mode 100644
index 000000000000..4d3398d326c3
--- /dev/null
+++ b/pkgs/development/python-modules/stdlibs/default.nix
@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flit-core
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "stdlibs";
+  version = "2022.10.9";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "omnilib";
+    repo = "stdlibs";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-HkGZw58gQGd8mHnCP4aF6JWXxlpIIfe7B//HJiHVwA4=";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  # Module has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [
+    "stdlibs"
+  ];
+
+  meta = with lib; {
+    description = "Overview of the Python stdlib";
+    homepage = "https://github.com/omnilib/stdlibs";
+    changelog = "https://github.com/omnilib/stdlibs/blob/${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/trailrunner/default.nix b/pkgs/development/python-modules/trailrunner/default.nix
new file mode 100644
index 000000000000..04cf6b0c071f
--- /dev/null
+++ b/pkgs/development/python-modules/trailrunner/default.nix
@@ -0,0 +1,47 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, flit-core
+, pathspec
+, pythonOlder
+, unittestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "trailrunner";
+  version = "1.4.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "omnilib";
+    repo = "trailrunner";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-qtEBr22yyj6WcSfyYr/4r0IuuMJ6chFFqnmb+uMfQPA=";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  propagatedBuildInputs = [
+    pathspec
+  ];
+
+  nativeCheckInputs = [
+    unittestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "trailrunner"
+  ];
+
+  meta = with lib; {
+    description = "Module to walk paths and run things";
+    homepage = "https://github.com/omnilib/trailrunner";
+    changelog = "https://github.com/omnilib/trailrunner/blob/${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/ufmt/default.nix b/pkgs/development/python-modules/ufmt/default.nix
new file mode 100644
index 000000000000..cc510c0fa76f
--- /dev/null
+++ b/pkgs/development/python-modules/ufmt/default.nix
@@ -0,0 +1,61 @@
+{ lib
+, black
+, buildPythonPackage
+, click
+, fetchFromGitHub
+, flit-core
+, libcst
+, moreorless
+, pythonOlder
+, tomlkit
+, trailrunner
+, typing-extensions
+, unittestCheckHook
+, usort
+}:
+
+buildPythonPackage rec {
+  pname = "ufmt";
+  version = "2.1.0";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "omnilib";
+    repo = "ufmt";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-eQIbSC0Oxi6JD7/3o2y9f+KhT8GIiFiYiV4A3QBoWl0=";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  propagatedBuildInputs = [
+    black
+    click
+    libcst
+    moreorless
+    tomlkit
+    trailrunner
+    typing-extensions
+    usort
+  ];
+
+  nativeCheckInputs = [
+    unittestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "ufmt"
+  ];
+
+  meta = with lib; {
+    description = "Safe, atomic formatting with black and usort";
+    homepage = "https://github.com/omnilib/ufmt";
+    changelog = "https://github.com/omnilib/ufmt/blob/${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/usort/default.nix b/pkgs/development/python-modules/usort/default.nix
new file mode 100644
index 000000000000..2f61e8847ac6
--- /dev/null
+++ b/pkgs/development/python-modules/usort/default.nix
@@ -0,0 +1,65 @@
+{ lib
+, attrs
+, buildPythonPackage
+, click
+, fetchFromGitHub
+, hatch-vcs
+, hatchling
+, libcst
+, moreorless
+, pythonOlder
+, stdlibs
+, toml
+, trailrunner
+, unittestCheckHook
+, volatile
+}:
+
+buildPythonPackage rec {
+  pname = "usort";
+  version = "1.1.0b2";
+  format = "pyproject";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "facebook";
+    repo = "usort";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-c3gQ+f/BRgM+Nwc+mEP7dcmig7ws7FqL5zwQhNJJlsI=";
+  };
+
+  SETUPTOOLS_SCM_PRETEND_VERSION = version;
+
+  nativeBuildInputs = [
+    hatch-vcs
+    hatchling
+  ];
+
+  propagatedBuildInputs = [
+    attrs
+    click
+    libcst
+    moreorless
+    stdlibs
+    toml
+    trailrunner
+  ];
+
+  nativeCheckInputs = [
+    unittestCheckHook
+    volatile
+  ];
+
+  pythonImportsCheck = [
+    "usort"
+  ];
+
+  meta = with lib; {
+    description = "Safe, minimal import sorting for Python projects";
+    homepage = "https://github.com/facebook/usort";
+    changelog = "https://github.com/facebook/usort/blob/${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/development/python-modules/volatile/default.nix b/pkgs/development/python-modules/volatile/default.nix
new file mode 100644
index 000000000000..7be5989b159b
--- /dev/null
+++ b/pkgs/development/python-modules/volatile/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, pytestCheckHook
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "volatile";
+  version = "2.1.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
+
+  src = fetchFromGitHub {
+    owner = "mbr";
+    repo = "volatile";
+    rev = "refs/tags/${version}";
+    hash = "sha256-TYUvr0bscM/FaPk9oiF4Ob7HdKa2HlbpEFmaPfh4ir0=";
+  };
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "volatile"
+  ];
+
+  meta = with lib; {
+    description = "A small extension for the tempfile module";
+    homepage = "https://github.com/mbr/volatile";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fab ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3d525b86e8e2..1a7b5ba9a5e5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13641,6 +13641,8 @@ with pkgs;
 
   usbmuxd2 = callPackage ../tools/misc/usbmuxd2 { };
 
+  usort = with python3Packages; toPythonApplication usort;
+
   ustreamer = callPackage ../applications/video/ustreamer { };
 
   usync = callPackage ../applications/misc/usync { };
@@ -14019,6 +14021,8 @@ with pkgs;
 
   udunits = callPackage ../development/libraries/udunits { };
 
+  ufmt = with python3Packages; toPythonApplication ufmt;
+
   uftp = callPackage ../servers/uftp { };
 
   uhttpmock = callPackage ../development/libraries/uhttpmock { };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 41148d8c56d8..5f0c88314eea 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6456,6 +6456,8 @@ self: super: with self; {
 
   more-properties = callPackage ../development/python-modules/more-properties { };
 
+  moreorless = callPackage ../development/python-modules/moreorless { };
+
   moretools = callPackage ../development/python-modules/moretools { };
 
   morfessor = callPackage ../development/python-modules/morfessor { };
@@ -11811,6 +11813,8 @@ self: super: with self; {
 
   stdlib-list = callPackage ../development/python-modules/stdlib-list { };
 
+  stdlibs = callPackage ../development/python-modules/stdlibs { };
+
   steamodd = callPackage ../development/python-modules/steamodd { };
 
   steamship = callPackage ../development/python-modules/steamship { };
@@ -12451,6 +12455,8 @@ self: super: with self; {
 
   trackpy = callPackage ../development/python-modules/trackpy { };
 
+  trailrunner = callPackage ../development/python-modules/trailrunner {};
+
   trainer = callPackage ../development/python-modules/trainer {};
 
   traitlets = callPackage ../development/python-modules/traitlets { };
@@ -12707,6 +12713,8 @@ self: super: with self; {
     inherit (pkgs.xorg) libX11 libXext;
   };
 
+  ufmt = callPackage ../development/python-modules/ufmt { };
+
   ufo2ft = callPackage ../development/python-modules/ufo2ft { };
 
   ufoLib2 = callPackage ../development/python-modules/ufoLib2 { };
@@ -12863,6 +12871,8 @@ self: super: with self; {
 
   ush = callPackage ../development/python-modules/ush { };
 
+  usort = callPackage ../development/python-modules/usort { };
+
   utils = callPackage ../development/python-modules/utils { };
 
   uuid = callPackage ../development/python-modules/uuid { };
@@ -12979,6 +12989,8 @@ self: super: with self; {
 
   vobject = callPackage ../development/python-modules/vobject { };
 
+  volatile = callPackage ../development/python-modules/volatile { };
+
   volkszaehler = callPackage ../development/python-modules/volkszaehler { };
 
   voluptuous = callPackage ../development/python-modules/voluptuous { };