diff --git a/.gitignore b/.gitignore
index c75a32f..b121d11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -139,3 +139,4 @@ dmypy.json
 cython_debug/
 
 tags
+unhacs.txt
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 74bdf4a..e6d32d3 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,13 +1,11 @@
 ---
-default_language_version:
-  python: python3.8
 repos:
   - repo: https://github.com/psf/black
-    rev: 20.8b1
+    rev: 24.4.2
     hooks:
       - id: black
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.6.0
     hooks:
       - id: check-added-large-files
       - id: check-merge-conflict
@@ -16,11 +14,14 @@ repos:
       - id: trailing-whitespace
       - id: name-tests-test
         exclude: tests/(common.py|util.py|(helpers|integration/factories)/(.+).py)
-  - repo: https://github.com/asottile/reorder_python_imports
-    rev: v2.4.0
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
     hooks:
-      - id: reorder-python-imports
+      - id: isort
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.800
+    rev: v1.10.0
     hooks:
       - id: mypy
+        exclude: docs/
+        additional_dependencies:
+          - types-requests
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..a0a6609
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,16 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+
+[project]
+name = "unhacs"
+version = "0.1.0"
+description = ""
+authors = [{name = "Ian Fijolek", email = "ian@iamthefij.com"}]
+requires-python = ">=3.8"
+
+dependencies = [
+    "requests"
+]
+
+[project.scripts]
+unhacs = 'unhacs.main:main'
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 84e5ecd..6b6f737 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,3 +2,5 @@
 pytest
 coverage
 pre-commit
+mypy
+types-requests
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 4eb6625..0000000
--- a/setup.py
+++ /dev/null
@@ -1,45 +0,0 @@
-from codecs import open
-from os import path
-
-from setuptools import find_packages
-from setuptools import setup
-
-here = path.abspath(path.dirname(__file__))
-
-# Get the long description from the README file
-with open(path.join(here, "README.md"), encoding="utf-8") as f:
-    long_description = f.read()
-
-setup(
-    name="unhacs",
-    version="0.0.0",
-    description="A command line alternative to the "Home Assistant Community Store", aka HACS",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://git.iamthefij.com/iamthefij/unhacs.git",
-    download_url=("https://git.iamthefij.com/iamthefij/unhacs.git/archive/master.tar.gz"),
-    author="iamthefij",
-    author_email="",
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-    ],
-    keywords="",
-    packages=find_packages(
-        exclude=[
-            "contrib",
-            "docs",
-            "examples",
-            "scripts",
-            "tests",
-        ]
-    ),
-    install_requires=[],
-    entry_points={
-        "console_scripts": [
-            "unhacs=unhacs:main",
-        ],
-    },
-)
diff --git a/unhacs/__init__.py b/unhacs/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/unhacs/__main__.py b/unhacs/__main__.py
new file mode 100644
index 0000000..e22624a
--- /dev/null
+++ b/unhacs/__main__.py
@@ -0,0 +1,4 @@
+from unhacs.main import main
+
+if __name__ == "__main__":
+    main()
diff --git a/unhacs/main.py b/unhacs/main.py
new file mode 100644
index 0000000..a78905f
--- /dev/null
+++ b/unhacs/main.py
@@ -0,0 +1,206 @@
+import json
+import shutil
+import tempfile
+from argparse import ArgumentParser
+from io import BytesIO
+from pathlib import Path
+from zipfile import ZipFile
+
+import requests
+
+from unhacs.packages import DEFAULT_PACKAGE_FILE
+from unhacs.packages import Package
+from unhacs.packages import read_packages
+from unhacs.packages import write_packages
+
+
+DEFAULT_HASS_CONFIG_PATH = Path(".")
+
+
+def extract_zip(zip_file: ZipFile, dest_dir: Path):
+    for info in zip_file.infolist():
+        if info.is_dir():
+            continue
+        file = Path(info.filename)
+        # Strip top directory from path
+        file = Path(*file.parts[1:])
+        path = dest_dir / file
+        path.parent.mkdir(parents=True, exist_ok=True)
+        with zip_file.open(info) as source, open(path, "wb") as dest:
+            dest.write(source.read())
+
+
+def create_parser():
+    parser = ArgumentParser()
+    parser.add_argument(
+        "--config",
+        "-c",
+        type=Path,
+        default=DEFAULT_HASS_CONFIG_PATH,
+        help="The path to the Home Assistant configuration directory.",
+    )
+    parser.add_argument(
+        "--package-file",
+        "-p",
+        type=Path,
+        default=DEFAULT_PACKAGE_FILE,
+        help="The path to the package file.",
+    )
+
+    subparsers = parser.add_subparsers(dest="subcommand", required=True)
+
+    list_parser = subparsers.add_parser("list")
+    list_parser.add_argument("--verbose", "-v", action="store_true")
+
+    add_parser = subparsers.add_parser("add")
+    add_parser.add_argument("url", type=str, help="The URL of the package.")
+    add_parser.add_argument(
+        "name", type=str, nargs="?", help="The name of the package."
+    )
+    add_parser.add_argument(
+        "--version", "-v", type=str, help="The version of the package."
+    )
+    add_parser.add_argument(
+        "--update",
+        "-u",
+        action="store_true",
+        help="Update the package if it already exists.",
+    )
+
+    remove_parser = subparsers.add_parser("remove")
+    remove_parser.add_argument("packages", nargs="*")
+
+    update_parser = subparsers.add_parser("update")
+    update_parser.add_argument("packages", nargs="*")
+
+    return parser
+
+
+class Unhacs:
+    def add_package(
+        self,
+        package_url: str,
+        package_name: str | None = None,
+        version: str | None = None,
+        update: bool = False,
+    ):
+        # Parse the package URL to get the owner and repo name
+        parts = package_url.split("/")
+        owner = parts[-2]
+        repo = parts[-1]
+
+        # Fetch the releases from the GitHub API
+        response = requests.get(f"https://api.github.com/repos/{owner}/{repo}/releases")
+        response.raise_for_status()
+        releases = response.json()
+
+        # If a version is provided, check if it exists in the releases
+        if version:
+            for release in releases:
+                if release["tag_name"] == version:
+                    break
+            else:
+                raise ValueError(f"Version {version} does not exist for this package")
+        else:
+            # If no version is provided, use the latest release
+            version = releases[0]["tag_name"]
+
+        if not version:
+            raise ValueError("No releases found for this package")
+
+        package = Package(name=package_name or repo, url=package_url, version=version)
+        packages = read_packages()
+
+        # Raise an error if the package is already in the list
+        if package in packages:
+            if update:
+                # Remove old version of the package
+                packages = [p for p in packages if p.url != package_url]
+            else:
+                raise ValueError("Package already exists in the list")
+
+        packages.append(package)
+        write_packages(packages)
+
+        self.download_package(package)
+
+    def download_package(self, package: Package, replace: bool = True):
+        # Parse the package URL to get the owner and repo name
+        parts = package.url.split("/")
+        owner = parts[-2]
+        repo = parts[-1]
+
+        # Fetch the releases from the GitHub API
+        response = requests.get(f"https://api.github.com/repos/{owner}/{repo}/releases")
+        response.raise_for_status()
+        releases = response.json()
+
+        # Find the release with the specified version
+        for release in releases:
+            if release["tag_name"] == package.version:
+                break
+        else:
+            raise ValueError(f"Version {package.version} not found for this package")
+
+        # Download the release zip with the specified name
+        response = requests.get(release["zipball_url"])
+        response.raise_for_status()
+
+        release_zip = ZipFile(BytesIO(response.content))
+
+        with tempfile.TemporaryDirectory(prefix="unhacs-") as tempdir:
+            tmpdir = Path(tempdir)
+            extract_zip(release_zip, tmpdir)
+
+            for file in tmpdir.glob("*"):
+                print(file)
+            hacs = json.loads((tmpdir / "hacs.json").read_text())
+            print(hacs)
+
+            for custom_component in tmpdir.glob("custom_components/*"):
+                dest = (
+                    DEFAULT_HASS_CONFIG_PATH
+                    / "custom_components"
+                    / custom_component.name
+                )
+                if replace:
+                    shutil.rmtree(dest, ignore_errors=True)
+
+                shutil.move(custom_component, dest)
+
+    def update_packages(self, package_names: list[str]):
+        if not package_names:
+            package_urls = [p.url for p in read_packages()]
+        else:
+            package_urls = [p.url for p in read_packages() if p.name in package_names]
+
+        for package in package_urls:
+            print("Updating", package)
+            self.add_package(package, update=True)
+
+    def list_packages(self, verbose: bool = False):
+        for package in read_packages():
+            print(package.verbose_str() if verbose else str(package))
+
+
+def main():
+    # If the sub command is add package, it should pass the parsed arguments to the add_package function and return
+    parser = create_parser()
+    args = parser.parse_args()
+
+    unhacs = Unhacs()
+
+    if args.subcommand == "add":
+        unhacs.add_package(args.url, args.name, args.version, args.update)
+    elif args.subcommand == "list":
+        unhacs.list_packages(args.verbose)
+    elif args.subcommand == "remove":
+        print("Not implemented")
+    elif args.subcommand == "update":
+        unhacs.update_packages(args.packages)
+    else:
+        print("Not implemented")
+
+
+if __name__ == "__main__":
+    main()
diff --git a/unhacs/packages.py b/unhacs/packages.py
new file mode 100644
index 0000000..56ee27a
--- /dev/null
+++ b/unhacs/packages.py
@@ -0,0 +1,34 @@
+from dataclasses import dataclass
+from pathlib import Path
+
+
+DEFAULT_PACKAGE_FILE = "unhacs.txt"
+
+
+@dataclass
+class Package:
+    url: str
+    version: str
+    name: str
+
+    def __str__(self):
+        return f"{self.name} {self.version}"
+
+    def verbose_str(self):
+        return f"{self.name} {self.version} ({self.url})"
+
+
+# Read a list of Packages from a text file in the plain text format "URL version name"
+def read_packages(package_file: str = DEFAULT_PACKAGE_FILE) -> list[Package]:
+    path = Path(package_file)
+    if path.exists():
+        with path.open() as f:
+            return [Package(*line.strip().split()) for line in f]
+    return []
+
+
+# Write a list of Packages to a text file in the format URL version name
+def write_packages(packages: list[Package], package_file: str = DEFAULT_PACKAGE_FILE):
+    with open(package_file, "w") as f:
+        for package in packages:
+            f.write(f"{package.url} {package.version} {package.name}\n")