diff --git a/api/packages.ini b/api/packages.ini
new file mode 100644
index 000000000..def9cd21e
--- /dev/null
+++ b/api/packages.ini
@@ -0,0 +1,9 @@
+# This file contains a list of package dependencies.
+[common]
+python3 = buster, bionic
+python3-pip = buster, bionic
+python3-virtualenv = buster, bionic
+
+[django]
+uwsgi = buster, bionic
+uwsgi-plugin-python3 = buster, bionic
diff --git a/packages.ini b/packages.ini
new file mode 100644
index 000000000..24bd455c7
--- /dev/null
+++ b/packages.ini
@@ -0,0 +1,54 @@
+# This file contains a list of package dependencies.
+[common]
+icecast2 = buster, bionic
+postgresql = buster, bionic
+postgresql-client = buster, bionic
+rabbitmq-server = buster, bionic
+
+curl = buster, bionic
+unzip = buster, bionic
+zip = buster, bionic
+
+[legacy]
+apache2 = buster, bionic
+php-apcu = buster, bionic
+php-pear = buster, bionic
+# Bionic
+libapache2-mod-php7.2 = bionic
+php-bcmath = bionic
+php-mbstring = bionic
+php7.2 = bionic
+php7.2-curl = bionic
+php7.2-gd = bionic
+php7.2-pgsql = bionic
+# Buster
+libapache2-mod-php7.3 = buster
+php-amqplib = buster
+php7.3 = buster
+php7.3-bcmath = buster
+php7.3-curl = buster
+php7.3-dev = buster
+php7.3-gd = buster
+php7.3-mbstring = buster
+php7.3-pgsql = buster
+
+[installer]
+lsb-release = buster, bionic
+xmlstarlet = buster, bionic
+; patch = centos
+
+[unknown]
+# TODO: Triage all these package to know whether they are still
+#       used or if they are installed by other packages.
+build-essential = bionic
+coreutils = buster, bionic
+ecasound = buster, bionic
+flac = buster, bionic
+lame = buster, bionic
+libffi-dev = bionic
+libpq-dev = buster, bionic # WHY ? header files for libpq5 (PostgreSQL library)
+libssl-dev = bionic
+mpg123 = buster, bionic
+pwgen = buster, bionic
+systemd-sysv = buster
+sysvinit-utils = bionic
diff --git a/python_apps/airtime_analyzer/packages.ini b/python_apps/airtime_analyzer/packages.ini
new file mode 100644
index 000000000..4c06ff3a1
--- /dev/null
+++ b/python_apps/airtime_analyzer/packages.ini
@@ -0,0 +1,46 @@
+# This file contains a list of package dependencies.
+[common]
+python3 = buster, bionic
+python3-pip = buster, bionic
+python3-virtualenv = buster, bionic
+
+[liquidsoap]
+# https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
+liquidsoap-plugin-alsa = bionic
+liquidsoap-plugin-ao = bionic
+liquidsoap-plugin-ogg = bionic
+liquidsoap-plugin-portaudio = bionic
+# Already recommended packages in bionic
+# See `apt show liquidsoap`
+; liquidsoap-plugin-faad = bionic
+; liquidsoap-plugin-flac = bionic
+; liquidsoap-plugin-icecast = bionic
+; liquidsoap-plugin-lame = bionic
+; liquidsoap-plugin-mad = bionic
+; liquidsoap-plugin-pulseaudio = bionic
+; liquidsoap-plugin-taglib = bionic
+; liquidsoap-plugin-voaacenc = bionic
+; liquidsoap-plugin-vorbis = bionic
+liquidsoap = buster, bionic
+
+[pika]
+python3-pika = buster, bionic
+
+[rgain3]
+gcc = buster, bionic
+gir1.2-gtk-3.0 = buster, bionic
+gstreamer1.0-plugins-bad = buster, bionic
+gstreamer1.0-plugins-good = buster, bionic
+gstreamer1.0-plugins-ugly = buster, bionic
+libcairo2-dev = buster, bionic
+libgirepository1.0-dev = buster, bionic
+libglib2.0-dev = buster, bionic
+pkg-config = buster, bionic
+python3-cairo = buster, bionic
+python3-dev = buster, bionic
+python3-gi = buster, bionic
+python3-gi-cairo = buster, bionic
+python3-gst-1.0 = buster, bionic
+
+[silan]
+silan = buster, bionic
diff --git a/python_apps/pypo/packages.ini b/python_apps/pypo/packages.ini
new file mode 100644
index 000000000..9280452ac
--- /dev/null
+++ b/python_apps/pypo/packages.ini
@@ -0,0 +1,29 @@
+# This file contains a list of package dependencies.
+[common]
+python3 = buster, bionic
+python3-pip = buster, bionic
+python3-virtualenv = buster, bionic
+
+[liquidsoap]
+# https://github.com/savonet/liquidsoap/blob/main/CHANGES.md
+liquidsoap-plugin-alsa = bionic
+liquidsoap-plugin-ao = bionic
+liquidsoap-plugin-ogg = bionic
+liquidsoap-plugin-portaudio = bionic
+# Already recommended packages in bionic
+# See `apt show liquidsoap`
+; liquidsoap-plugin-faad = bionic
+; liquidsoap-plugin-flac = bionic
+; liquidsoap-plugin-icecast = bionic
+; liquidsoap-plugin-lame = bionic
+; liquidsoap-plugin-mad = bionic
+; liquidsoap-plugin-pulseaudio = bionic
+; liquidsoap-plugin-taglib = bionic
+; liquidsoap-plugin-voaacenc = bionic
+; liquidsoap-plugin-vorbis = bionic
+liquidsoap = buster, bionic
+
+[misc]
+# Used by pypofetch to check if a file is open.
+# TODO: consider using a python library
+lsof = buster, bionic
diff --git a/scripts/__init__.py b/scripts/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/scripts/packages.py b/scripts/packages.py
new file mode 100755
index 000000000..e6a235d99
--- /dev/null
+++ b/scripts/packages.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python3
+
+import json
+import sys
+from argparse import ArgumentParser
+from configparser import ConfigParser
+from os import PathLike
+from pathlib import Path
+from typing import Iterator, Set
+
+DEFAULT_PACKAGES_FILENAME = "packages.ini"
+FORMATS = ("list", "line")
+SYSTEMS = ("buster", "bionic")
+
+SETTINGS_SECTION = "=settings"
+DEVELOPMENT_SECTION = "=development"
+
+
+def load_packages(raw: str, distribution: str, development: bool = False) -> Set[str]:
+    manager = ConfigParser(default_section=SETTINGS_SECTION)
+    manager.read_string(raw)
+
+    packages = set()
+    for section, entries in manager.items():
+        if not development and section == DEVELOPMENT_SECTION:
+            continue
+
+        for package, distributions in entries.items():
+            if distribution in distributions.split(", "):
+                packages.add(package)
+
+    return packages
+
+
+def list_packages_files(paths: str) -> Iterator[Path]:
+    for path in paths:
+        path = Path(path)
+
+        if path.is_dir():
+            path = path / DEFAULT_PACKAGES_FILENAME
+
+        if not path.is_file():
+            raise Exception(f"{path} is not a file!")
+
+        yield path
+
+
+def list_packages(paths: str, distribution: str, development: bool = False) -> Set[str]:
+    packages = set()
+    for package_file in list_packages_files(paths):
+        raw = package_file.read_text()
+        packages.update(load_packages(raw, distribution, development))
+
+    return set(sorted(packages))
+
+
+def run():
+    parser = ArgumentParser()
+    parser.add_argument(
+        "-f",
+        "--format",
+        choices=FORMATS,
+        help="print packages list in a specific format.",
+        default="list",
+    ),
+    parser.add_argument(
+        "-d",
+        "--dev",
+        help="include development packages.",
+        action="store_true",
+    )
+    parser.add_argument(
+        "distribution",
+        choices=SYSTEMS,
+        help="list packages for the given distribution.",
+    )
+    parser.add_argument(
+        "path",
+        nargs="+",
+        help="list packages from given files or directories.",
+    )
+    args = parser.parse_args()
+
+    packages = list_packages(args.path, args.distribution, args.dev)
+
+    if args.format == "list":
+        print("\n".join(packages))
+    else:
+        print(" ".join(packages))
+
+
+if __name__ == "__main__":
+    run()
diff --git a/scripts/packages_test.py b/scripts/packages_test.py
new file mode 100644
index 000000000..bdd9edb06
--- /dev/null
+++ b/scripts/packages_test.py
@@ -0,0 +1,32 @@
+from pathlib import Path
+
+from .packages import list_packages, load_packages
+
+package_ini = """
+[common]
+postgresql = buster
+# Some comment
+curl = buster, bionic
+
+[legacy]
+apache2 = bionic
+
+[=development]
+ffmpeg = buster, bionic
+"""
+
+result1 = {"curl", "postgresql"}
+result2 = {"apache2", "curl", "ffmpeg"}
+
+
+def test_load_packages():
+    assert load_packages(package_ini, "buster", False) == result1
+    assert load_packages(package_ini, "bionic", True) == result2
+
+
+def test_list_packages(tmp_path: Path):
+    package_file = tmp_path / "packages.ini"
+    package_file.write_text(package_ini)
+
+    assert list_packages([tmp_path, package_file], "buster", False) == result1
+    assert list_packages([tmp_path, package_file], "bionic", True) == result2