diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..15d4b1b
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,39 @@
+name: test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+concurrency:
+  group: test-${{ github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  PYTHONUNBUFFERED: "1"
+  FORCE_COLOR: "1"
+
+jobs:
+  run:
+    name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Hatch
+        run: pip install --upgrade hatch
+
+      - name: Run tests
+        run: hatch run cov
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..061d772
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,11 @@
+Copyright (c) 2023-present Eric T. Johnson. 
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a0b491d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,21 @@
+# yut23_utils
+
+[![PyPI - Version](https://img.shields.io/pypi/v/yut23-utils.svg)](https://pypi.org/project/yut23-utils)
+[![PyPI - Python Version](https://img.shields.io/pypi/pyversions/yut23-utils.svg)](https://pypi.org/project/yut23-utils)
+
+-----
+
+**Table of Contents**
+
+- [Installation](#installation)
+- [License](#license)
+
+## Installation
+
+```console
+pip install yut23-utils
+```
+
+## License
+
+`yut23-utils` is distributed under the terms of the [BSD-3-Clause](https://spdx.org/licenses/BSD-3-Clause.html) license.
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..d7e1030
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,157 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "yut23-utils"
+dynamic = ["version"]
+description = 'Common code I find myself reaching for from multiple different repositories.'
+readme = "README.md"
+requires-python = ">=3.8"
+license = "BSD-3-Clause"
+keywords = []
+authors = [
+  { name = "yut23", email = "yut23@gvljohnsons.com" },
+]
+classifiers = [
+  "Development Status :: 4 - Beta",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3.8",
+  "Programming Language :: Python :: 3.9",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: Implementation :: CPython",
+  "Programming Language :: Python :: Implementation :: PyPy",
+]
+dependencies = []
+
+[project.urls]
+Documentation = "https://github.com/yut23/yut23-utils#readme"
+Issues = "https://github.com/yut23/yut23-utils/issues"
+Source = "https://github.com/yut23/yut23-utils"
+
+[tool.hatch.version]
+path = "src/yut23_utils/__about__.py"
+
+[tool.hatch.envs.default]
+dependencies = [
+  "coverage[toml]>=6.5",
+  "pytest",
+]
+[tool.hatch.envs.default.scripts]
+test = "pytest {args:tests}"
+test-cov = "coverage run -m pytest {args:tests}"
+cov-report = [
+  "- coverage combine",
+  "coverage report",
+]
+cov = [
+  "test-cov",
+  "cov-report",
+]
+
+[[tool.hatch.envs.all.matrix]]
+python = ["3.8", "3.9", "3.10", "3.11", "3.12"]
+
+[tool.hatch.envs.lint]
+detached = true
+dependencies = [
+  "black>=23.1.0",
+  "mypy>=1.0.0",
+  "ruff>=0.0.243",
+]
+[tool.hatch.envs.lint.scripts]
+typing = "mypy --install-types --non-interactive {args:src/yut23_utils tests}"
+style = [
+  "ruff {args:.}",
+  "black --check --diff {args:.}",
+]
+fmt = [
+  "black {args:.}",
+  "ruff --fix {args:.}",
+  "style",
+]
+all = [
+  "style",
+  "typing",
+]
+
+[tool.black]
+target-version = ["py38"]
+line-length = 120
+skip-string-normalization = false
+
+[tool.ruff]
+target-version = "py38"
+line-length = 120
+select = [
+  "A",
+  "ARG",
+  "B",
+  "C",
+  "DTZ",
+  "E",
+  "EM",
+  "F",
+  "FBT",
+  "I",
+  "ICN",
+  "ISC",
+  "N",
+  "PLC",
+  "PLE",
+  "PLR",
+  "PLW",
+  "Q",
+  "RUF",
+  "S",
+  "T",
+  "TID",
+  "UP",
+  "W",
+  "YTT",
+]
+ignore = [
+  # Allow non-abstract empty methods in abstract base classes
+  "B027",
+  # Allow boolean positional values in function calls, like `dict.get(... True)`
+  "FBT003",
+  # Ignore checks for possible passwords
+  "S105", "S106", "S107",
+  # Ignore complexity
+  "C901", "PLR0911", "PLR0912", "PLR0913", "PLR0915",
+]
+unfixable = [
+  # Don't touch unused imports
+  "F401",
+]
+
+[tool.ruff.isort]
+known-first-party = ["yut23_utils"]
+
+[tool.ruff.flake8-tidy-imports]
+ban-relative-imports = "all"
+
+[tool.ruff.per-file-ignores]
+# Tests can use magic values, assertions, and relative imports
+"tests/**/*" = ["PLR2004", "S101", "TID252"]
+
+[tool.coverage.run]
+source_pkgs = ["yut23_utils", "tests"]
+branch = true
+parallel = true
+omit = [
+  "src/yut23_utils/__about__.py",
+]
+
+[tool.coverage.paths]
+yut23_utils = ["src/yut23_utils", "*/yut23-utils/src/yut23_utils"]
+tests = ["tests", "*/yut23-utils/tests"]
+
+[tool.coverage.report]
+exclude_lines = [
+  "no cov",
+  "if __name__ == .__main__.:",
+  "if TYPE_CHECKING:",
+]
diff --git a/src/yut23_utils/__about__.py b/src/yut23_utils/__about__.py
new file mode 100644
index 0000000..96d2ebb
--- /dev/null
+++ b/src/yut23_utils/__about__.py
@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: 2023-present Eric T. Johnson
+#
+# SPDX-License-Identifier: BSD-3-Clause
+__version__ = "0.0.1"
diff --git a/src/yut23_utils/__init__.py b/src/yut23_utils/__init__.py
new file mode 100644
index 0000000..26e6f0c
--- /dev/null
+++ b/src/yut23_utils/__init__.py
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2023-present Eric T. Johnson
+#
+# SPDX-License-Identifier: BSD-3-Clause
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..26e6f0c
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,3 @@
+# SPDX-FileCopyrightText: 2023-present Eric T. Johnson
+#
+# SPDX-License-Identifier: BSD-3-Clause