diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
new file mode 100644
index 0000000..909ab41
--- /dev/null
+++ b/src-tauri/Cargo.toml
@@ -0,0 +1,34 @@
+[package]
+name = "local-time-tracker"
+version = "1.0.0"
+description = "A local time tracking app with invoicing"
+authors = ["you"]
+edition = "2021"
+
+[lib]
+name = "local_time_tracker_lib"
+crate-type = ["lib", "cdylib", "staticlib"]
+
+[build-dependencies]
+tauri-build = { version = "2", features = [] }
+
+[dependencies]
+tauri = { version = "2", features = ["tray-icon"] }
+tauri-plugin-shell = "2"
+tauri-plugin-dialog = "2"
+tauri-plugin-fs = "2"
+tauri-plugin-notification = "2"
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+rusqlite = { version = "0.32", features = ["bundled"] }
+chrono = { version = "0.4", features = ["serde"] }
+directories = "5"
+log = "0.4"
+env_logger = "0.11"
+
+[profile.release]
+panic = "abort"
+codegen-units = 1
+lto = true
+opt-level = "s"
+strip = true
diff --git a/src-tauri/build.rs b/src-tauri/build.rs
new file mode 100644
index 0000000..d860e1e
--- /dev/null
+++ b/src-tauri/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    tauri_build::build()
+}
diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
new file mode 100644
index 0000000..4241219
--- /dev/null
+++ b/src-tauri/capabilities/default.json
@@ -0,0 +1,28 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "identifier": "default",
+  "description": "Default capabilities for the app",
+  "windows": ["main"],
+  "permissions": [
+    "core:default",
+    "core:window:allow-close",
+    "core:window:allow-minimize",
+    "core:window:allow-maximize",
+    "core:window:allow-unmaximize",
+    "core:window:allow-show",
+    "core:window:allow-hide",
+    "core:window:allow-set-focus",
+    "core:window:allow-is-maximized",
+    "shell:allow-open",
+    "dialog:allow-open",
+    "dialog:allow-save",
+    "dialog:allow-message",
+    "dialog:allow-ask",
+    "dialog:allow-confirm",
+    "fs:allow-read-text-file",
+    "fs:allow-write-text-file",
+    "notification:allow-is-permission-granted",
+    "notification:allow-request-permission",
+    "notification:allow-notify"
+  ]
+}
diff --git a/src-tauri/icons/128x128.png b/src-tauri/icons/128x128.png
new file mode 100644
index 0000000..7a9bb19
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diff --git a/src-tauri/icons/128x128@2x.png b/src-tauri/icons/128x128@2x.png
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diff --git a/src-tauri/icons/32x32.png b/src-tauri/icons/32x32.png
new file mode 100644
index 0000000..5d1833c
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diff --git a/src-tauri/icons/icon.icns b/src-tauri/icons/icon.icns
new file mode 100644
index 0000000..9409991
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diff --git a/src-tauri/icons/icon.ico b/src-tauri/icons/icon.ico
new file mode 100644
index 0000000..f6290c1
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diff --git a/src-tauri/icons/icon.png b/src-tauri/icons/icon.png
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diff --git a/src-tauri/src/commands.rs b/src-tauri/src/commands.rs
new file mode 100644
index 0000000..f04cdff
--- /dev/null
+++ b/src-tauri/src/commands.rs
@@ -0,0 +1,355 @@
+use crate::AppState;
+use rusqlite::params;
+use serde::{Deserialize, Serialize};
+use tauri::State;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Client {
+    pub id: Option<i64>,
+    pub name: String,
+    pub email: Option<String>,
+    pub address: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Project {
+    pub id: Option<i64>,
+    pub client_id: Option<i64>,
+    pub name: String,
+    pub hourly_rate: f64,
+    pub color: String,
+    pub archived: bool,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Task {
+    pub id: Option<i64>,
+    pub project_id: i64,
+    pub name: String,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct TimeEntry {
+    pub id: Option<i64>,
+    pub project_id: i64,
+    pub task_id: Option<i64>,
+    pub description: Option<String>,
+    pub start_time: String,
+    pub end_time: Option<String>,
+    pub duration: i64,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Invoice {
+    pub id: Option<i64>,
+    pub client_id: i64,
+    pub invoice_number: String,
+    pub date: String,
+    pub due_date: Option<String>,
+    pub subtotal: f64,
+    pub tax_rate: f64,
+    pub tax_amount: f64,
+    pub discount: f64,
+    pub total: f64,
+    pub notes: Option<String>,
+    pub status: String,
+}
+
+// Client commands
+#[tauri::command]
+pub fn get_clients(state: State<AppState>) -> Result<Vec<Client>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare("SELECT id, name, email, address FROM clients ORDER BY name").map_err(|e| e.to_string())?;
+    let clients = stmt.query_map([], |row| {
+        Ok(Client {
+            id: Some(row.get(0)?),
+            name: row.get(1)?,
+            email: row.get(2)?,
+            address: row.get(3)?,
+        })
+    }).map_err(|e| e.to_string())?;
+    clients.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub fn create_client(state: State<AppState>, client: Client) -> Result<i64, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT INTO clients (name, email, address) VALUES (?1, ?2, ?3)",
+        params![client.name, client.email, client.address],
+    ).map_err(|e| e.to_string())?;
+    Ok(conn.last_insert_rowid())
+}
+
+#[tauri::command]
+pub fn update_client(state: State<AppState>, client: Client) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "UPDATE clients SET name = ?1, email = ?2, address = ?3 WHERE id = ?4",
+        params![client.name, client.email, client.address, client.id],
+    ).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+#[tauri::command]
+pub fn delete_client(state: State<AppState>, id: i64) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute("DELETE FROM clients WHERE id = ?1", params![id]).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+// Project commands
+#[tauri::command]
+pub fn get_projects(state: State<AppState>) -> Result<Vec<Project>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare("SELECT id, client_id, name, hourly_rate, color, archived FROM projects ORDER BY name").map_err(|e| e.to_string())?;
+    let projects = stmt.query_map([], |row| {
+        Ok(Project {
+            id: Some(row.get(0)?),
+            client_id: row.get(1)?,
+            name: row.get(2)?,
+            hourly_rate: row.get(3)?,
+            color: row.get(4)?,
+            archived: row.get::<_, i32>(5)? != 0,
+        })
+    }).map_err(|e| e.to_string())?;
+    projects.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub fn create_project(state: State<AppState>, project: Project) -> Result<i64, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT INTO projects (client_id, name, hourly_rate, color, archived) VALUES (?1, ?2, ?3, ?4, ?5)",
+        params![project.client_id, project.name, project.hourly_rate, project.color, project.archived as i32],
+    ).map_err(|e| e.to_string())?;
+    Ok(conn.last_insert_rowid())
+}
+
+#[tauri::command]
+pub fn update_project(state: State<AppState>, project: Project) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "UPDATE projects SET client_id = ?1, name = ?2, hourly_rate = ?3, color = ?4, archived = ?5 WHERE id = ?6",
+        params![project.client_id, project.name, project.hourly_rate, project.color, project.archived as i32, project.id],
+    ).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+#[tauri::command]
+pub fn delete_project(state: State<AppState>, id: i64) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute("DELETE FROM projects WHERE id = ?1", params![id]).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+// Task commands
+#[tauri::command]
+pub fn get_tasks(state: State<AppState>, project_id: i64) -> Result<Vec<Task>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare("SELECT id, project_id, name FROM tasks WHERE project_id = ?1 ORDER BY name").map_err(|e| e.to_string())?;
+    let tasks = stmt.query_map(params![project_id], |row| {
+        Ok(Task {
+            id: Some(row.get(0)?),
+            project_id: row.get(1)?,
+            name: row.get(2)?,
+        })
+    }).map_err(|e| e.to_string())?;
+    tasks.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub fn create_task(state: State<AppState>, task: Task) -> Result<i64, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT INTO tasks (project_id, name) VALUES (?1, ?2)",
+        params![task.project_id, task.name],
+    ).map_err(|e| e.to_string())?;
+    Ok(conn.last_insert_rowid())
+}
+
+#[tauri::command]
+pub fn delete_task(state: State<AppState>, id: i64) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute("DELETE FROM tasks WHERE id = ?1", params![id]).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+// Time entry commands
+#[tauri::command]
+pub fn get_time_entries(state: State<AppState>, start_date: Option<String>, end_date: Option<String>) -> Result<Vec<TimeEntry>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let query = match (start_date, end_date) {
+        (Some(start), Some(end)) => {
+            let mut stmt = conn.prepare(
+                "SELECT id, project_id, task_id, description, start_time, end_time, duration
+                 FROM time_entries
+                 WHERE date(start_time) >= date(?1) AND date(start_time) <= date(?2)
+                 ORDER BY start_time DESC"
+            ).map_err(|e| e.to_string())?;
+            stmt.query_map(params![start, end], |row| {
+                Ok(TimeEntry {
+                    id: Some(row.get(0)?),
+                    project_id: row.get(1)?,
+                    task_id: row.get(2)?,
+                    description: row.get(3)?,
+                    start_time: row.get(4)?,
+                    end_time: row.get(5)?,
+                    duration: row.get(6)?,
+                })
+            }).map_err(|e| e.to_string())?.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())?
+        }
+        _ => {
+            let mut stmt = conn.prepare(
+                "SELECT id, project_id, task_id, description, start_time, end_time, duration
+                 FROM time_entries ORDER BY start_time DESC LIMIT 100"
+            ).map_err(|e| e.to_string())?;
+            stmt.query_map([], |row| {
+                Ok(TimeEntry {
+                    id: Some(row.get(0)?),
+                    project_id: row.get(1)?,
+                    task_id: row.get(2)?,
+                    description: row.get(3)?,
+                    start_time: row.get(4)?,
+                    end_time: row.get(5)?,
+                    duration: row.get(6)?,
+                })
+            }).map_err(|e| e.to_string())?.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())?
+        }
+    };
+    Ok(query)
+}
+
+#[tauri::command]
+pub fn create_time_entry(state: State<AppState>, entry: TimeEntry) -> Result<i64, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT INTO time_entries (project_id, task_id, description, start_time, end_time, duration)
+         VALUES (?1, ?2, ?3, ?4, ?5, ?6)",
+        params![entry.project_id, entry.task_id, entry.description, entry.start_time, entry.end_time, entry.duration],
+    ).map_err(|e| e.to_string())?;
+    Ok(conn.last_insert_rowid())
+}
+
+#[tauri::command]
+pub fn update_time_entry(state: State<AppState>, entry: TimeEntry) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "UPDATE time_entries SET project_id = ?1, task_id = ?2, description = ?3,
+         start_time = ?4, end_time = ?5, duration = ?6 WHERE id = ?7",
+        params![entry.project_id, entry.task_id, entry.description, entry.start_time, entry.end_time, entry.duration, entry.id],
+    ).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+#[tauri::command]
+pub fn delete_time_entry(state: State<AppState>, id: i64) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute("DELETE FROM time_entries WHERE id = ?1", params![id]).map_err(|e| e.to_string())?;
+    Ok(())
+}
+
+// Reports
+#[tauri::command]
+pub fn get_reports(state: State<AppState>, start_date: String, end_date: String) -> Result<serde_json::Value, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+
+    // Total hours
+    let total: i64 = conn.query_row(
+        "SELECT COALESCE(SUM(duration), 0) FROM time_entries
+         WHERE date(start_time) >= date(?1) AND date(start_time) <= date(?2)",
+        params![start_date, end_date],
+        |row| row.get(0),
+    ).map_err(|e| e.to_string())?;
+
+    // By project
+    let mut stmt = conn.prepare(
+        "SELECT p.name, p.color, SUM(t.duration) as total_duration
+         FROM time_entries t
+         JOIN projects p ON t.project_id = p.id
+         WHERE date(t.start_time) >= date(?1) AND date(t.start_time) <= date(?2)
+         GROUP BY p.id
+         ORDER BY total_duration DESC"
+    ).map_err(|e| e.to_string())?;
+
+    let by_project: Vec<serde_json::Value> = stmt.query_map(params![start_date, end_date], |row| {
+        Ok(serde_json::json!({
+            "name": row.get::<_, String>(0)?,
+            "color": row.get::<_, String>(1)?,
+            "duration": row.get::<_, i64>(2)?
+        }))
+    }).map_err(|e| e.to_string())?
+    .collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())?;
+
+    Ok(serde_json::json!({
+        "totalSeconds": total,
+        "byProject": by_project
+    }))
+}
+
+// Invoice commands
+#[tauri::command]
+pub fn create_invoice(state: State<AppState>, invoice: Invoice) -> Result<i64, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT INTO invoices (client_id, invoice_number, date, due_date, subtotal, tax_rate, tax_amount, discount, total, notes, status)
+         VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11)",
+        params![invoice.client_id, invoice.invoice_number, invoice.date, invoice.due_date,
+                invoice.subtotal, invoice.tax_rate, invoice.tax_amount, invoice.discount,
+                invoice.total, invoice.notes, invoice.status],
+    ).map_err(|e| e.to_string())?;
+    Ok(conn.last_insert_rowid())
+}
+
+#[tauri::command]
+pub fn get_invoices(state: State<AppState>) -> Result<Vec<Invoice>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare(
+        "SELECT id, client_id, invoice_number, date, due_date, subtotal, tax_rate, tax_amount, discount, total, notes, status
+         FROM invoices ORDER BY date DESC"
+    ).map_err(|e| e.to_string())?;
+    let invoices = stmt.query_map([], |row| {
+        Ok(Invoice {
+            id: Some(row.get(0)?),
+            client_id: row.get(1)?,
+            invoice_number: row.get(2)?,
+            date: row.get(3)?,
+            due_date: row.get(4)?,
+            subtotal: row.get(5)?,
+            tax_rate: row.get(6)?,
+            tax_amount: row.get(7)?,
+            discount: row.get(8)?,
+            total: row.get(9)?,
+            notes: row.get(10)?,
+            status: row.get(11)?,
+        })
+    }).map_err(|e| e.to_string())?;
+    invoices.collect::<Result<Vec<_>, _>>().map_err(|e| e.to_string())
+}
+
+// Settings commands
+#[tauri::command]
+pub fn get_settings(state: State<AppState>) -> Result<std::collections::HashMap<String, String>, String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    let mut stmt = conn.prepare("SELECT key, value FROM settings").map_err(|e| e.to_string())?;
+    let settings = stmt.query_map([], |row| {
+        Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+    }).map_err(|e| e.to_string())?;
+
+    let mut result = std::collections::HashMap::new();
+    for setting in settings {
+        let (key, value) = setting.map_err(|e| e.to_string())?;
+        result.insert(key, value);
+    }
+    Ok(result)
+}
+
+#[tauri::command]
+pub fn update_settings(state: State<AppState>, key: String, value: String) -> Result<(), String> {
+    let conn = state.db.lock().map_err(|e| e.to_string())?;
+    conn.execute(
+        "INSERT OR REPLACE INTO settings (key, value) VALUES (?1, ?2)",
+        params![key, value],
+    ).map_err(|e| e.to_string())?;
+    Ok(())
+}
diff --git a/src-tauri/src/database.rs b/src-tauri/src/database.rs
new file mode 100644
index 0000000..4675e22
--- /dev/null
+++ b/src-tauri/src/database.rs
@@ -0,0 +1,118 @@
+use rusqlite::Connection;
+
+pub fn init_db(conn: &Connection) -> Result<(), rusqlite::Error> {
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS clients (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            name TEXT NOT NULL,
+            email TEXT,
+            address TEXT,
+            created_at TEXT DEFAULT CURRENT_TIMESTAMP
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS projects (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            client_id INTEGER,
+            name TEXT NOT NULL,
+            hourly_rate REAL DEFAULT 0,
+            color TEXT DEFAULT '#F59E0B',
+            archived INTEGER DEFAULT 0,
+            created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (client_id) REFERENCES clients(id)
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS tasks (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            project_id INTEGER NOT NULL,
+            name TEXT NOT NULL,
+            created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (project_id) REFERENCES projects(id)
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS time_entries (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            project_id INTEGER NOT NULL,
+            task_id INTEGER,
+            description TEXT,
+            start_time TEXT NOT NULL,
+            end_time TEXT,
+            duration INTEGER DEFAULT 0,
+            created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (project_id) REFERENCES projects(id),
+            FOREIGN KEY (task_id) REFERENCES tasks(id)
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS invoices (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            client_id INTEGER NOT NULL,
+            invoice_number TEXT NOT NULL,
+            date TEXT NOT NULL,
+            due_date TEXT,
+            subtotal REAL DEFAULT 0,
+            tax_rate REAL DEFAULT 0,
+            tax_amount REAL DEFAULT 0,
+            discount REAL DEFAULT 0,
+            total REAL DEFAULT 0,
+            notes TEXT,
+            status TEXT DEFAULT 'draft',
+            created_at TEXT DEFAULT CURRENT_TIMESTAMP,
+            FOREIGN KEY (client_id) REFERENCES clients(id)
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS invoice_items (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            invoice_id INTEGER NOT NULL,
+            description TEXT NOT NULL,
+            quantity REAL DEFAULT 1,
+            rate REAL DEFAULT 0,
+            amount REAL DEFAULT 0,
+            time_entry_id INTEGER,
+            FOREIGN KEY (invoice_id) REFERENCES invoices(id),
+            FOREIGN KEY (time_entry_id) REFERENCES time_entries(id)
+        )",
+        [],
+    )?;
+
+    conn.execute(
+        "CREATE TABLE IF NOT EXISTS settings (
+            key TEXT PRIMARY KEY,
+            value TEXT
+        )",
+        [],
+    )?;
+
+    // Insert default settings
+    conn.execute(
+        "INSERT OR IGNORE INTO settings (key, value) VALUES ('default_hourly_rate', '50')",
+        [],
+    )?;
+    conn.execute(
+        "INSERT OR IGNORE INTO settings (key, value) VALUES ('idle_detection', 'true')",
+        [],
+    )?;
+    conn.execute(
+        "INSERT OR IGNORE INTO settings (key, value) VALUES ('idle_timeout', '5')",
+        [],
+    )?;
+    conn.execute(
+        "INSERT OR IGNORE INTO settings (key, value) VALUES ('reminder_interval', '30')",
+        [],
+    )?;
+
+    Ok(())
+}
diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
new file mode 100644
index 0000000..1f6390d
--- /dev/null
+++ b/src-tauri/src/lib.rs
@@ -0,0 +1,106 @@
+use rusqlite::Connection;
+use serde::{Deserialize, Serialize};
+use std::sync::Mutex;
+use tauri::{Manager, State};
+use std::path::PathBuf;
+
+mod database;
+mod commands;
+
+pub struct AppState {
+    pub db: Mutex<Connection>,
+}
+
+fn get_data_dir() -> PathBuf {
+    let exe_path = std::env::current_exe().unwrap();
+    let exe_dir = exe_path.parent().unwrap();
+    let data_dir = exe_dir.join("data");
+    std::fs::create_dir_all(&data_dir).ok();
+    data_dir
+}
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+    env_logger::init();
+
+    let data_dir = get_data_dir();
+    let db_path = data_dir.join("timetracker.db");
+
+    let conn = Connection::open(&db_path).expect("Failed to open database");
+    database::init_db(&conn).expect("Failed to initialize database");
+
+    tauri::Builder::default()
+        .plugin(tauri_plugin_shell::init())
+        .plugin(tauri_plugin_dialog::init())
+        .plugin(tauri_plugin_fs::init())
+        .plugin(tauri_plugin_notification::init())
+        .manage(AppState { db: Mutex::new(conn) })
+        .invoke_handler(tauri::generate_handler![
+            commands::get_clients,
+            commands::create_client,
+            commands::update_client,
+            commands::delete_client,
+            commands::get_projects,
+            commands::create_project,
+            commands::update_project,
+            commands::delete_project,
+            commands::get_tasks,
+            commands::create_task,
+            commands::delete_task,
+            commands::get_time_entries,
+            commands::create_time_entry,
+            commands::update_time_entry,
+            commands::delete_time_entry,
+            commands::get_reports,
+            commands::create_invoice,
+            commands::get_invoices,
+            commands::get_settings,
+            commands::update_settings,
+        ])
+        .setup(|app| {
+            #[cfg(desktop)]
+            {
+                use tauri::tray::{MouseButton, MouseButtonState, TrayIconBuilder, TrayIconEvent};
+                use tauri::menu::{Menu, MenuItem};
+
+                let quit = MenuItem::with_id(app, "quit", "Quit", true, None::<&str>)?;
+                let show = MenuItem::with_id(app, "show", "Show Window", true, None::<&str>)?;
+                let menu = Menu::with_items(app, &[&show, &quit])?;
+
+                let _tray = TrayIconBuilder::new()
+                    .menu(&menu)
+                    .menu_on_left_click(false)
+                    .on_menu_event(|app, event| {
+                        match event.id.as_ref() {
+                            "quit" => {
+                                app.exit(0);
+                            }
+                            "show" => {
+                                if let Some(window) = app.get_webview_window("main") {
+                                    window.show().ok();
+                                    window.set_focus().ok();
+                                }
+                            }
+                            _ => {}
+                        }
+                    })
+                    .on_tray_icon_event(|tray, event| {
+                        if let TrayIconEvent::Click {
+                            button: MouseButton::Left,
+                            button_state: MouseButtonState::Up,
+                            ..
+                        } = event {
+                            let app = tray.app_handle();
+                            if let Some(window) = app.get_webview_window("main") {
+                                window.show().ok();
+                                window.set_focus().ok();
+                            }
+                        }
+                    })
+                    .build(app)?;
+            }
+            Ok(())
+        })
+        .run(tauri::generate_context!())
+        .expect("error while running tauri application");
+}
diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
new file mode 100644
index 0000000..a530cec
--- /dev/null
+++ b/src-tauri/src/main.rs
@@ -0,0 +1,8 @@
+#![cfg_attr(
+    all(not(debug_assertions), target_os = "windows"),
+    windows_subsystem = "windows"
+)]
+
+fn main() {
+    local_time_tracker_lib::run();
+}
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
new file mode 100644
index 0000000..ca6e1c9
--- /dev/null
+++ b/src-tauri/tauri.conf.json
@@ -0,0 +1,56 @@
+{
+  "$schema": "https://schema.tauri.app/config/2",
+  "productName": "LocalTimeTracker",
+  "version": "1.0.0",
+  "identifier": "com.localtimetracker.app",
+  "build": {
+    "beforeDevCommand": "npm run dev",
+    "devUrl": "http://localhost:1420",
+    "beforeBuildCommand": "npm run build",
+    "frontendDist": "../dist",
+    "devtools": true
+  },
+  "app": {
+    "windows": [
+      {
+        "title": "LocalTimeTracker",
+        "width": 1200,
+        "height": 800,
+        "minWidth": 800,
+        "minHeight": 600,
+        "decorations": false,
+        "transparent": false,
+        "resizable": true,
+        "center": true
+      }
+    ],
+    "trayIcon": {
+      "iconPath": "icons/icon.png",
+      "iconAsTemplate": true
+    },
+    "security": {
+      "csp": null
+    }
+  },
+  "bundle": {
+    "active": true,
+    "targets": "all",
+    "icon": [
+      "icons/32x32.png",
+      "icons/128x128.png",
+      "icons/128x128@2x.png",
+      "icons/icon.icns",
+      "icons/icon.ico"
+    ],
+    "windows": {
+      "webviewInstallMode": {
+        "type": "embedBootstrapper"
+      }
+    }
+  },
+  "plugins": {
+    "shell": {
+      "open": true
+    }
+  }
+}