diff --git a/package.json b/package.json
index 99eeac8..6766a75 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tabs",
-  "version": "0.0.1",
+  "version": "0.0.2",
   "description": "Persistent and separate browser tabs in one window",
   "author": {
     "name": "Alice Gaudon",
@@ -8,7 +8,8 @@
   },
   "homepage": "https://gitlab.com/ArisuOngaku/tabs",
   "license": "MIT",
-  "main": "src/main.js",
+  "main": "tabs.js",
+  "type": "module",
   "scripts": {
     "start": "electron .",
     "dev": "electron . --dev",
@@ -17,6 +18,11 @@
     "pack": "electron-builder --dir",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
+  "dependencies": {
+    "ejs": "^3.0.1",
+    "esm": "^3.2.25",
+    "single-instance": "^0.0.1"
+  },
   "devDependencies": {
     "electron": "^6.0.10",
     "electron-builder": "^21.2.0"
diff --git a/src/Config.js b/src/Config.js
index e82b706..84310c0 100644
--- a/src/Config.js
+++ b/src/Config.js
@@ -1,12 +1,13 @@
-const fs = require('fs');
-const path = require('path');
+import fs from "fs";
+import path from "path";
+import {homedir} from "os";
 
-const Service = require('./Service');
+import Service from "./Service";
 
-const configDir = path.resolve(__dirname, '../config');
+const configDir = path.resolve(homedir(), '.tabs-app');
 const configFile = path.resolve(configDir, 'config.json');
 
-class Config {
+export default class Config {
     constructor() {
         // Load data from config file
         let data = {};
@@ -28,8 +29,7 @@ class Config {
         }
 
         if (this.services.length === 0) {
-            this.services.push(new Service('webmail', 'WebMail', 'far fa-envelope', false, 'https://mail.arisu.fr/', true));
-            this.services.push(new Service('arisucloud', 'Arisu Cloud', 'arisucloud.svg', true, 'https://cloud.arisu.fr/', true));
+            this.services.push(new Service('welcome', 'Welcome', 'fas fa-rocket', false, 'https://gitlab.com/ArisuOngaku/tabs', false));
         }
 
         this.save();
@@ -38,6 +38,4 @@ class Config {
     save() {
         fs.writeFileSync(configFile, JSON.stringify(this, null, 4));
     }
-}
-
-module.exports = Config;
\ No newline at end of file
+}
\ No newline at end of file
diff --git a/src/Service.js b/src/Service.js
index 755d0f6..d198c55 100644
--- a/src/Service.js
+++ b/src/Service.js
@@ -35,4 +35,4 @@ Service.requiredProperties = {
     'useFavicon': true,
 };
 
-module.exports = Service;
\ No newline at end of file
+export default Service;
\ No newline at end of file
diff --git a/src/main.js b/src/main.js
index 4c87ef5..2bcb990 100644
--- a/src/main.js
+++ b/src/main.js
@@ -1,15 +1,11 @@
-const {
-    app,
-    BrowserWindow,
-    ipcMain,
-    Tray,
-    Menu,
-} = require('electron');
-const fs = require('fs');
-const path = require('path');
-const Config = require('./Config');
+import fs from "fs";
+import path from "path";
+import {app, BrowserWindow, ipcMain, Menu, Tray} from "electron";
+
+import Config from "./Config";
 
 const resourcesDir = path.resolve(__dirname, '../resources');
+const iconPath = path.resolve(resourcesDir, 'logo.png');
 
 const config = new Config();
 
@@ -33,7 +29,7 @@ function toggleMainWindow() {
 
 function createWindow() {
     // System tray
-    tray = new Tray(path.resolve(resourcesDir, 'logo.png'));
+    tray = new Tray(iconPath);
     tray.setToolTip('Tabs');
     tray.setContextMenu(Menu.buildFromTemplate([
         {label: 'Tabs', enabled: false},
@@ -51,6 +47,7 @@ function createWindow() {
             webviewTag: true,
         },
         autoHideMenuBar: true,
+        icon: iconPath,
     });
     window.maximize();
     window.on('closed', () => {
@@ -103,6 +100,9 @@ function createWindow() {
                     mode: 'right'
                 });
             }
+            addServiceWindow.webContents.on('dom-ready', () => {
+                addServiceWindow.webContents.send('syncIcons', listIcons('brands'), listIcons('solid'));
+            });
             addServiceWindow.loadFile(path.resolve(resourcesDir, 'add-service.html'))
                 .catch(console.error);
         }
@@ -117,4 +117,11 @@ function setActiveService(index) {
     selectedService = index;
 }
 
+function listIcons(set) {
+    const directory = path.resolve(resourcesDir, 'icons/' + set);
+    const icons = [];
+    fs.readdirSync(directory).forEach(i => icons.push(i.split('.svg')[0]));
+    return icons;
+}
+
 app.on('ready', createWindow);
\ No newline at end of file
diff --git a/tabs.js b/tabs.js
new file mode 100644
index 0000000..d8382fb
--- /dev/null
+++ b/tabs.js
@@ -0,0 +1,10 @@
+#!/bin/electron
+const SingleInstance = require('single-instance');
+const lock = new SingleInstance('tabs-app');
+lock.lock().then(() => {
+    require = require("esm")(module);
+    module.exports = require("./src/main.js");
+}).catch(error => {
+    console.error(error);
+    process.exit(0);
+});
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 30c9de2..6e263e1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -492,6 +492,11 @@ ejs@^2.6.2:
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.4.tgz#48661287573dcc53e366c7a1ae52c3a120eec9ba"
   integrity sha512-7vmuyh5+kuUyJKePhQfRQBhXV5Ce+RnaeeQArKu1EAMpL3WbgMt5WG6uQZpEVvYSSsxMXRKOewtDk9RaTKXRlA==
 
+ejs@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/ejs/-/ejs-3.0.1.tgz#30c8f6ee9948502cc32e85c37a3f8b39b5a614a5"
+  integrity sha512-cuIMtJwxvzumSAkqaaoGY/L6Fc/t6YvoP9/VIaK0V/CyqKLEQ8sqODmYfy/cjXEdZ9+OOL8TecbJu+1RsofGDw==
+
 electron-builder@^21.2.0:
   version "21.2.0"
   resolved "https://registry.yarnpkg.com/electron-builder/-/electron-builder-21.2.0.tgz#b68ec4def713fc0b8602654ce842f972432f50c5"
@@ -577,6 +582,11 @@ escape-string-regexp@^1.0.5:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
 
+esm@^3.2.25:
+  version "3.2.25"
+  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.25.tgz#342c18c29d56157688ba5ce31f8431fbb795cc10"
+  integrity sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==
+
 esprima@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/esprima/-/esprima-4.0.1.tgz#13b04cdb3e6c5d19df91ab6987a8695619b0aa71"
@@ -1508,6 +1518,11 @@ responselike@^1.0.2:
   dependencies:
     lowercase-keys "^1.0.0"
 
+rsvp@^3.1.0:
+  version "3.6.2"
+  resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-3.6.2.tgz#2e96491599a96cde1b515d5674a8f7a91452926a"
+  integrity sha512-OfWGQTb9vnwRjwtA2QwpG2ICclHC3pgXZO5xt8H2EfgDquO0qVdSb5T88L4qJVAEugbS56pAuV4XZM58UX8ulw==
+
 safe-buffer@^5.0.1, safe-buffer@^5.1.2:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"
@@ -1574,6 +1589,13 @@ signal-exit@^3.0.0, signal-exit@^3.0.2:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
+single-instance@^0.0.1:
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/single-instance/-/single-instance-0.0.1.tgz#ef0f0673fe9800b6753445d97058d253f5d4b8ed"
+  integrity sha1-7w8Gc/6YALZ1NEXZcFjSU/XUuO0=
+  dependencies:
+    rsvp "^3.1.0"
+
 single-line-log@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/single-line-log/-/single-line-log-1.1.2.tgz#c2f83f273a3e1a16edb0995661da0ed5ef033364"