diff --git a/kordophoned/Cargo.toml b/kordophoned/Cargo.toml
index e32e7ee..a596c66 100644
--- a/kordophoned/Cargo.toml
+++ b/kordophoned/Cargo.toml
@@ -7,10 +7,6 @@ edition = "2021"
 anyhow = "1.0.98"
 async-trait = "0.1.88"
 chrono = "0.4.38"
-dbus = { version = "0.9.7", features = ["futures"] }
-dbus-crossroads = "0.5.2"
-dbus-tokio = "0.7.6"
-dbus-tree = "0.9.2"
 directories = "6.0.0"
 env_logger = "0.11.6"
 futures-util = "0.3.31"
@@ -25,6 +21,14 @@ tokio-condvar = "0.3.0"
 uuid = "1.16.0"
 once_cell = "1.19.0"
 
-[build-dependencies]
+[target.'cfg(target_os = "linux")'.dependencies]
+# D-Bus dependencies only on Linux
+dbus = { version = "0.9.7", features = ["futures"] }
+dbus-crossroads = "0.5.2"
+dbus-tokio = "0.7.6"
+dbus-tree = "0.9.2"
+
+[target.'cfg(target_os = "linux")'.build-dependencies]
+# D-Bus codegen only on Linux
 dbus-codegen = "0.10.0"
 dbus-crossroads = "0.5.1"
diff --git a/kordophoned/build.rs b/kordophoned/build.rs
index a674f93..921915b 100644
--- a/kordophoned/build.rs
+++ b/kordophoned/build.rs
@@ -1,5 +1,11 @@
 const KORDOPHONE_XML: &str = "include/net.buzzert.kordophonecd.Server.xml";
 
+#[cfg(not(target_os = "linux"))]
+fn main() {
+    // No D-Bus code generation on non-Linux platforms
+}
+
+#[cfg(target_os = "linux")]
 fn main() {
     // Generate D-Bus code
     let out_dir = std::env::var("OUT_DIR").unwrap();
@@ -14,8 +20,8 @@ fn main() {
 
     let xml = std::fs::read_to_string(KORDOPHONE_XML).expect("Error reading server dbus interface");
 
-    let output =
-        dbus_codegen::generate(&xml, &opts).expect("Error generating server dbus interface");
+    let output = dbus_codegen::generate(&xml, &opts)
+        .expect("Error generating server dbus interface");
 
     std::fs::write(out_path, output).expect("Error writing server dbus code");
 
diff --git a/kordophoned/src/daemon/auth_store.rs b/kordophoned/src/daemon/auth_store.rs
index 35a789a..077e502 100644
--- a/kordophoned/src/daemon/auth_store.rs
+++ b/kordophoned/src/daemon/auth_store.rs
@@ -21,6 +21,7 @@ impl DatabaseAuthenticationStore {
 
 #[async_trait]
 impl AuthenticationStore for DatabaseAuthenticationStore {
+    #[cfg(target_os = "linux")]
     async fn get_credentials(&mut self) -> Option<Credentials> {
         use keyring::secret_service::SsCredential;
 
@@ -61,6 +62,11 @@ impl AuthenticationStore for DatabaseAuthenticationStore {
             .await
     }
 
+    #[cfg(not(target_os = "linux"))]
+    async fn get_credentials(&mut self) -> Option<Credentials> {
+        None
+    }
+
     async fn get_token(&mut self) -> Option<String> {
         self.database
             .lock()
diff --git a/kordophoned/src/daemon/contact_resolver/generic.rs b/kordophoned/src/daemon/contact_resolver/generic.rs
new file mode 100644
index 0000000..d3a3604
--- /dev/null
+++ b/kordophoned/src/daemon/contact_resolver/generic.rs
@@ -0,0 +1,16 @@
+use super::ContactResolverBackend;
+
+#[derive(Clone, Default)]
+pub struct GenericContactResolverBackend;
+
+impl ContactResolverBackend for GenericContactResolverBackend {
+    type ContactID = String;
+
+    fn resolve_contact_id(&self, address: &str) -> Option<Self::ContactID> {
+        None
+    }
+
+    fn get_contact_display_name(&self, contact_id: &Self::ContactID) -> Option<String> {
+        None
+    }
+}
\ No newline at end of file
diff --git a/kordophoned/src/daemon/contact_resolver/mod.rs b/kordophoned/src/daemon/contact_resolver/mod.rs
index 555aed2..dce3fe3 100644
--- a/kordophoned/src/daemon/contact_resolver/mod.rs
+++ b/kordophoned/src/daemon/contact_resolver/mod.rs
@@ -1,5 +1,35 @@
+#[cfg(target_os = "linux")]
 pub mod eds;
-pub use eds::EDSContactResolverBackend;
+
+pub mod generic;
+
+// Convenient alias for the platform's default backend
+#[cfg(target_os = "linux")]
+pub type DefaultContactResolverBackend = eds::EDSContactResolverBackend;
+#[cfg(not(target_os = "linux"))]
+pub type DefaultContactResolverBackend = generic::GenericContactResolverBackend;
+
+#[cfg(not(target_os = "linux"))]
+#[derive(Clone)]
+pub struct EDSContactResolverBackend;
+
+#[cfg(not(target_os = "linux"))]
+impl Default for EDSContactResolverBackend {
+    fn default() -> Self { EDSContactResolverBackend }
+}
+
+#[cfg(not(target_os = "linux"))]
+impl ContactResolverBackend for EDSContactResolverBackend {
+    type ContactID = String;
+
+    fn resolve_contact_id(&self, _address: &str) -> Option<Self::ContactID> {
+        None
+    }
+
+    fn get_contact_display_name(&self, _contact_id: &Self::ContactID) -> Option<String> {
+        None
+    }
+}
 
 use std::collections::HashMap;
 
diff --git a/kordophoned/src/daemon/mod.rs b/kordophoned/src/daemon/mod.rs
index 6ac25eb..e9466af 100644
--- a/kordophoned/src/daemon/mod.rs
+++ b/kordophoned/src/daemon/mod.rs
@@ -51,7 +51,7 @@ pub use attachment_store::AttachmentStoreEvent;
 
 pub mod contact_resolver;
 use contact_resolver::ContactResolver;
-use contact_resolver::EDSContactResolverBackend;
+use contact_resolver::DefaultContactResolverBackend;
 
 use kordophone_db::models::participant::Participant as DbParticipant;
 
@@ -507,7 +507,7 @@ impl Daemon {
 
         // Insert each conversation
         let num_conversations = db_conversations.len();
-        let mut contact_resolver = ContactResolver::new(EDSContactResolverBackend::default());
+        let mut contact_resolver = ContactResolver::new(DefaultContactResolverBackend::default());
         for conversation in db_conversations {
             // Insert or update conversation and its participants
             database
diff --git a/kordophoned/src/dbus/agent.rs b/kordophoned/src/dbus/agent.rs
index fcb71af..bf18163 100644
--- a/kordophoned/src/dbus/agent.rs
+++ b/kordophoned/src/dbus/agent.rs
@@ -9,7 +9,7 @@ use crate::daemon::{
     settings::Settings,
     signals::Signal,
     DaemonResult,
-    contact_resolver::{ContactResolver, EDSContactResolverBackend},
+    contact_resolver::{ContactResolver, DefaultContactResolverBackend},
 };
 
 use kordophone_db::models::participant::Participant;
@@ -23,7 +23,7 @@ use dbus_tokio::connection;
 pub struct DBusAgent {
     event_sink: mpsc::Sender<Event>,
     signal_receiver: Arc<Mutex<Option<mpsc::Receiver<Signal>>>>,
-    contact_resolver: ContactResolver<EDSContactResolverBackend>,
+    contact_resolver: ContactResolver<DefaultContactResolverBackend>,
 }
 
 impl DBusAgent {
@@ -31,7 +31,7 @@ impl DBusAgent {
         Self {
             event_sink,
             signal_receiver: Arc::new(Mutex::new(Some(signal_receiver))),
-            contact_resolver: ContactResolver::new(EDSContactResolverBackend::default()),
+            contact_resolver: ContactResolver::new(DefaultContactResolverBackend::default()),
         }
     }
 
diff --git a/kordophoned/src/main.rs b/kordophoned/src/main.rs
index 43a1b29..eeb968c 100644
--- a/kordophoned/src/main.rs
+++ b/kordophoned/src/main.rs
@@ -1,4 +1,6 @@
 mod daemon;
+
+#[cfg(target_os = "linux")]
 mod dbus;
 
 use log::LevelFilter;
@@ -6,8 +8,6 @@ use std::future;
 
 use daemon::Daemon;
 
-use dbus::agent::DBusAgent;
-
 fn initialize_logging() {
     // Weird: is this the best way to do this?
     let log_level = std::env::var("RUST_LOG")
@@ -20,6 +20,27 @@ fn initialize_logging() {
         .init();
 }
 
+#[cfg(target_os = "linux")]
+async fn start_ipc_agent(daemon: &Daemon) {
+    use dbus::agent::DBusAgent;
+
+    // Start the D-Bus agent (events in, signals out).
+    let agent = DBusAgent::new(daemon.event_sender.clone(), daemon.obtain_signal_receiver());
+    tokio::spawn(async move {
+        agent.run().await;
+    });
+}
+
+#[cfg(target_os = "macos")]
+async fn start_ipc_agent(daemon: &Daemon) {
+    // TODO: Implement macOS IPC agent.
+}
+
+#[cfg(not(any(target_os = "linux", target_os = "macos")))]
+async fn start_ipc_agent(daemon: &Daemon) {
+    panic!("Unsupported IPC platform");
+}
+
 #[tokio::main]
 async fn main() {
     initialize_logging();
@@ -32,11 +53,8 @@ async fn main() {
         })
         .unwrap();
 
-    // Start the D-Bus agent (events in, signals out).
-    let agent = DBusAgent::new(daemon.event_sender.clone(), daemon.obtain_signal_receiver());
-    tokio::spawn(async move {
-        agent.run().await;
-    });
+    // Start the IPC agent.
+    start_ipc_agent(&daemon).await;
 
     // Run the main daemon loop.
     daemon.run().await;
diff --git a/kpcli/Cargo.toml b/kpcli/Cargo.toml
index c83e9c3..4719106 100644
--- a/kpcli/Cargo.toml
+++ b/kpcli/Cargo.toml
@@ -8,8 +8,6 @@ edition = "2021"
 [dependencies]
 anyhow = "1.0.93"
 clap = { version = "4.5.20", features = ["derive"] }
-dbus = "0.9.7"
-dbus-tree = "0.9.2"
 dotenv = "0.15.0"
 env_logger = "0.11.8"
 futures-util = "0.3.31"
@@ -22,5 +20,11 @@ serde_json = "1.0"
 time = "0.3.37"
 tokio = "1.41.1"
 
-[build-dependencies]
+# D-Bus dependencies only on Linux
+[target.'cfg(target_os = "linux")'.dependencies]
+dbus = "0.9.7"
+dbus-tree = "0.9.2"
+
+# D-Bus codegen only on Linux
+[target.'cfg(target_os = "linux")'.build-dependencies]
 dbus-codegen = "0.10.0"
diff --git a/kpcli/build.rs b/kpcli/build.rs
index 9254308..307f48d 100644
--- a/kpcli/build.rs
+++ b/kpcli/build.rs
@@ -1,5 +1,11 @@
 const KORDOPHONE_XML: &str = "../kordophoned/include/net.buzzert.kordophonecd.Server.xml";
 
+#[cfg(not(target_os = "linux"))]
+fn main() {
+    // No D-Bus codegen on non-Linux platforms
+}
+
+#[cfg(target_os = "linux")]
 fn main() {
     let out_dir = std::env::var("OUT_DIR").unwrap();
     let out_path = std::path::Path::new(&out_dir).join("kordophone-client.rs");
@@ -10,10 +16,11 @@ fn main() {
         ..Default::default()
     };
 
-    let xml = std::fs::read_to_string(KORDOPHONE_XML).expect("Error reading server dbus interface");
+    let xml = std::fs::read_to_string(KORDOPHONE_XML)
+        .expect("Error reading server dbus interface");
 
-    let output =
-        dbus_codegen::generate(&xml, &opts).expect("Error generating client dbus interface");
+    let output = dbus_codegen::generate(&xml, &opts)
+        .expect("Error generating client dbus interface");
 
     std::fs::write(out_path, output).expect("Error writing client dbus code");
 
diff --git a/kpcli/src/main.rs b/kpcli/src/main.rs
index a485c1a..cc30164 100644
--- a/kpcli/src/main.rs
+++ b/kpcli/src/main.rs
@@ -1,8 +1,10 @@
 mod client;
-mod daemon;
 mod db;
 mod printers;
 
+#[cfg(target_os = "linux")]
+mod daemon;
+
 use anyhow::Result;
 use clap::{Parser, Subcommand};
 use log::LevelFilter;