diff --git a/app/abr-application.js b/app/abr-application.js
index 837b530..34ea5b2 100644
--- a/app/abr-application.js
+++ b/app/abr-application.js
@@ -6,6 +6,7 @@
 
 var AbrWindow = require.main.require("./abr-window.js"),
     BrowserWindow = require("browser-window"),
+    commands = require.main.require("./commands-main.js"),
     files = require.main.require("./files.js"),
     ipcServer = require.main.require("./ipc-server.js"),
     parsePath = require("parse-filepath"),
@@ -108,6 +109,14 @@ AbrApplication.prototype = {
     openContextMenu: function (arg, winId) {
         var abrWin = this.getFocusedAbrWindow(winId);
         abrWin.contextMenu.popup();
+    },
+
+    execCommand: function (command, parameters) {
+        if (commands && commands[command]) {
+            commands[command](this, parameters);
+        } else {
+            console.error("Unknown command '" + command + "'");
+        }
     }
 };
 
diff --git a/app/commands-main.js b/app/commands-main.js
new file mode 100644
index 0000000..3304adc
--- /dev/null
+++ b/app/commands-main.js
@@ -0,0 +1,50 @@
+/*
+*   Abricotine - Markdown Editor
+*   Copyright (c) 2015 Thomas Brouard
+*   Licensed under GNU-GPLv3 <http://www.gnu.org/licenses/gpl.html>
+*/
+
+var app = require("app"),
+    dialogs = require("./dialogs.js"),
+    constants = require("./constants.js"),
+    shell = require("shell");
+
+// Commands used in the main process (for OSX menu when no opened windows)
+var commands = {
+    new: function (abrApp) {
+        abrApp.open();
+    },
+
+    open: function (abrApp) {
+        var path = dialogs.askOpenPath();
+        if (!path) {
+            return false;
+        }
+        abrApp.open(path);
+    },
+
+    quit: function (abrApp) {
+        app.quit();
+    },
+
+    editConfigFile: function (abrApp) {
+        var dirPath = constants.path.userConfig;
+        shell.openItem(dirPath);
+    },
+
+    openConfigDir: function (abrApp) {
+        var dirPath = constants.path.userData;
+        shell.openItem(dirPath);
+    },
+
+    about: function (abrApp) {
+        dialogs.about();
+    },
+
+    homepage: function (win, abrDoc, cm) {
+        var homepageURL = constants.homepageURL;
+        shell.openExternal(homepageURL);
+    }
+};
+
+module.exports = commands;