diff --git a/lib/hidapi/hidapi_impl.py b/lib/hidapi/hidapi_impl.py
index d9fc3047..38ba3e4f 100644
--- a/lib/hidapi/hidapi_impl.py
+++ b/lib/hidapi/hidapi_impl.py
@@ -60,6 +60,8 @@ _library_paths = (
     "libhidapi-hidraw.so.0",
     "libhidapi-libusb.so",
     "libhidapi-libusb.so.0",
+    "libhidapi.so",
+    "libhidapi.so.0",
     "libhidapi-iohidmanager.so",
     "libhidapi-iohidmanager.so.0",
     "libhidapi.dylib",
diff --git a/lib/logitech_receiver/diversion.py b/lib/logitech_receiver/diversion.py
index e933f5ad..026c7556 100644
--- a/lib/logitech_receiver/diversion.py
+++ b/lib/logitech_receiver/diversion.py
@@ -21,7 +21,6 @@ import logging
 import math
 import numbers
 import os
-import platform
 import socket
 import struct
 import subprocess
@@ -39,12 +38,13 @@ import yaml
 
 from keysyms import keysymdef
 
-# There is no evdev on macOS or Windows. Diversion will not work without
-# it but other Solaar functionality is available.
-if platform.system() in ("Darwin", "Windows"):
-    evdev = None
-else:
+# evdev is not available on every platform, and is an optional dependency
+# elsewhere. Diversion will not work without it but other Solaar
+# functionality is available.
+try:
     import evdev
+except ImportError:
+    evdev = None
 
 from .common import NamedInt
 from .hidpp20 import SupportedFeature
@@ -197,7 +197,7 @@ def gnome_dbus_interface_setup():
         bus = dbus.SessionBus()
         remote_object = bus.get_object("org.gnome.Shell", "/io/github/pwr_solaar/solaar")
         _dbus_interface = dbus.Interface(remote_object, "io.github.pwr_solaar.solaar")
-    except dbus.exceptions.DBusException:
+    except Exception:
         logger.warning(
             "Solaar Gnome extension not installed - some rule capabilities inoperable",
             exc_info=sys.exc_info(),
@@ -257,6 +257,8 @@ else:
 
 def setup_uinput():
     global udevice
+    if evdev is None:
+        return False
     if udevice is not None:
         return udevice
     try:
@@ -337,6 +339,8 @@ def simulate_key(code, event):  # X11 keycode but Solaar event code
 
 
 def click_uinput(button, count):
+    if evdev is None:
+        return False
     if isinstance(count, int):
         for _ in range(count):
             if not simulate_uinput(evdev.ecodes.EV_KEY, button[1], 1):
diff --git a/lib/solaar/dbus.py b/lib/solaar/dbus.py
index 142b5904..b7145cba 100644
--- a/lib/solaar/dbus.py
+++ b/lib/solaar/dbus.py
@@ -61,7 +61,9 @@ def watch_suspend_resume(
     global _resume_callback, _suspend_callback
     _suspend_callback = on_suspend_callback
     _resume_callback = on_resume_callback
-    if bus is not None and on_resume_callback is not None or on_suspend_callback is not None:
+    if bus is None:
+        return
+    if on_resume_callback is not None or on_suspend_callback is not None:
         bus.add_signal_receiver(
             _suspend_or_resume,
             "PrepareForSleep",
diff --git a/lib/solaar/gtk.py b/lib/solaar/gtk.py
index e0680820..4bc3c624 100755
--- a/lib/solaar/gtk.py
+++ b/lib/solaar/gtk.py
@@ -157,7 +157,8 @@ def _handlesig(signl, stack):
 
 
 def main():
-    if platform.system() not in ("Darwin", "Windows"):
+    # Only the Linux HID backend uses pyudev; other platforms use the hidapi backend.
+    if platform.system() == "Linux":
         _require("pyudev", "python3-pyudev")
 
     args = _parse_arguments()
diff --git a/lib/solaar/listener.py b/lib/solaar/listener.py
index f09a9f18..7d515dc9 100644
--- a/lib/solaar/listener.py
+++ b/lib/solaar/listener.py
@@ -19,6 +19,7 @@ from __future__ import annotations
 
 import errno
 import logging
+import platform
 import subprocess
 import time
 import typing
@@ -472,7 +473,9 @@ def _process_add(device_info: DeviceInfo, retry):
     except OSError as e:
         if e.errno == errno.EACCES:
             try:
-                output = subprocess.check_output(["getfacl", "-p", device_info.path], text=True)
+                # -p (don't strip leading '/') is a Linux getfacl extension
+                getfacl = ["getfacl", "-p"] if platform.system() == "Linux" else ["getfacl"]
+                output = subprocess.check_output([*getfacl, device_info.path], text=True)
                 logger.warning("Missing permissions on %s\n%s.", device_info.path, output)
             except Exception:
                 pass
diff --git a/setup.py b/setup.py
index 41506287..fbc2bf8b 100755
--- a/setup.py
+++ b/setup.py
@@ -1,3 +1,4 @@
+import platform
 import subprocess
 import textwrap
 
@@ -35,7 +36,8 @@ def _data_files():
         yield dirname(mo), [mo]
 
     yield "share/applications", ["share/applications/solaar.desktop"]
-    yield "lib/udev/rules.d", ["rules.d/42-logitech-unify-permissions.rules"]
+    if platform.system() == "Linux":  # udev is Linux-only
+        yield "lib/udev/rules.d", ["rules.d/42-logitech-unify-permissions.rules"]
     yield "share/metainfo", ["share/solaar/io.github.pwr_solaar.solaar.metainfo.xml"]
 
 
@@ -64,13 +66,14 @@ setup(
         "Natural Language :: English",
         "Programming Language :: Python :: 3 :: Only",
         "Operating System :: POSIX :: Linux",
+        "Operating System :: POSIX :: BSD :: FreeBSD",
         "Topic :: Utilities",
     ],
-    platforms=["linux"],
+    platforms=["linux", "freebsd"],
     python_requires=">=3.8",
     install_requires=[
         'evdev (>= 1.1.2) ; platform_system=="Linux"',
-        "pyudev (>= 0.13)",
+        'pyudev (>= 0.13) ; platform_system=="Linux"',
         "PyYAML (>= 3.12)",
         "python-xlib (>= 0.27)",
         "psutil (>= 5.4.3)",