diff --git a/openpype/style/style.css b/openpype/style/style.css
index c96e87aa02..ba40b780ab 100644
--- a/openpype/style/style.css
+++ b/openpype/style/style.css
@@ -1261,6 +1261,12 @@ QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {
     background: {color:restart-btn-bg};
 }
 
+/* Tray publisher */
+#ChooseProjectLabel {
+    font-size: 15pt;
+    font-weight: 750;
+}
+
 /* Globally used names */
 #Separator {
     background: {color:bg-menu-separator};
diff --git a/openpype/tools/traypublisher/__init__.py b/openpype/tools/traypublisher/__init__.py
new file mode 100644
index 0000000000..188a234a9e
--- /dev/null
+++ b/openpype/tools/traypublisher/__init__.py
@@ -0,0 +1,6 @@
+from .window import main
+
+
+__all__ = (
+    "main",
+)
diff --git a/openpype/tools/traypublisher/window.py b/openpype/tools/traypublisher/window.py
new file mode 100644
index 0000000000..d6a5fe56f8
--- /dev/null
+++ b/openpype/tools/traypublisher/window.py
@@ -0,0 +1,148 @@
+from Qt import QtWidgets, QtCore
+
+import avalon.api
+from avalon import io
+from avalon.api import AvalonMongoDB
+from openpype.tools.publisher import PublisherWindow
+from openpype.tools.utils.constants import PROJECT_NAME_ROLE
+from openpype.tools.utils.models import (
+    ProjectModel,
+    ProjectSortFilterProxy
+)
+
+
+class StandaloneOverlayWidget(QtWidgets.QFrame):
+    project_selected = QtCore.Signal(str)
+
+    def __init__(self, publisher_window):
+        super(StandaloneOverlayWidget, self).__init__(publisher_window)
+        self.setObjectName("OverlayFrame")
+
+        # Create db connection for projects model
+        dbcon = AvalonMongoDB()
+        dbcon.install()
+
+        header_label = QtWidgets.QLabel("Choose project", self)
+        header_label.setObjectName("ChooseProjectLabel")
+        # Create project models and view
+        projects_model = ProjectModel(dbcon)
+        projects_proxy = ProjectSortFilterProxy()
+        projects_proxy.setSourceModel(projects_model)
+
+        projects_view = QtWidgets.QListView(self)
+        projects_view.setModel(projects_proxy)
+        projects_view.setEditTriggers(
+            QtWidgets.QAbstractItemView.NoEditTriggers
+        )
+
+        confirm_btn = QtWidgets.QPushButton("Choose", self)
+        btns_layout = QtWidgets.QHBoxLayout()
+        btns_layout.addStretch(1)
+        btns_layout.addWidget(confirm_btn, 0)
+
+        layout = QtWidgets.QGridLayout(self)
+        layout.addWidget(header_label, 0, 1, alignment=QtCore.Qt.AlignCenter)
+        layout.addWidget(projects_view, 1, 1)
+        layout.addLayout(btns_layout, 2, 1)
+        layout.setColumnStretch(0, 1)
+        layout.setColumnStretch(1, 0)
+        layout.setColumnStretch(2, 1)
+        layout.setRowStretch(0, 0)
+        layout.setRowStretch(1, 1)
+        layout.setRowStretch(2, 0)
+
+        projects_view.doubleClicked.connect(self._on_double_click)
+        confirm_btn.clicked.connect(self._on_confirm_click)
+
+        self._projects_view = projects_view
+        self._projects_model = projects_model
+        self._confirm_btn = confirm_btn
+
+        self._publisher_window = publisher_window
+
+    def showEvent(self, event):
+        self._projects_model.refresh()
+        super(StandaloneOverlayWidget, self).showEvent(event)
+
+    def _on_double_click(self):
+        self.set_selected_project()
+
+    def _on_confirm_click(self):
+        self.set_selected_project()
+
+    def set_selected_project(self):
+        index = self._projects_view.currentIndex()
+
+        project_name = index.data(PROJECT_NAME_ROLE)
+        if not project_name:
+            return
+
+        traypublisher.set_project_name(project_name)
+        self.setVisible(False)
+        self.project_selected.emit(project_name)
+
+
+class TrayPublishWindow(PublisherWindow):
+    def __init__(self, *args, **kwargs):
+        super(TrayPublishWindow, self).__init__(reset_on_show=False)
+
+        overlay_widget = StandaloneOverlayWidget(self)
+
+        btns_widget = QtWidgets.QWidget(self)
+
+        back_to_overlay_btn = QtWidgets.QPushButton(
+            "Change project", btns_widget
+        )
+        save_btn = QtWidgets.QPushButton("Save", btns_widget)
+        # TODO implement save mechanism of tray publisher
+        save_btn.setVisible(False)
+
+        btns_layout = QtWidgets.QHBoxLayout(btns_widget)
+        btns_layout.setContentsMargins(0, 0, 0, 0)
+
+        btns_layout.addWidget(save_btn, 0)
+        btns_layout.addWidget(back_to_overlay_btn, 0)
+
+        self._header_layout.addWidget(btns_widget, 0)
+
+        overlay_widget.project_selected.connect(self._on_project_select)
+        back_to_overlay_btn.clicked.connect(self._on_back_to_overlay)
+        save_btn.clicked.connect(self._on_tray_publish_save)
+
+        self._back_to_overlay_btn = back_to_overlay_btn
+        self._overlay_widget = overlay_widget
+
+    def _on_back_to_overlay(self):
+        self._overlay_widget.setVisible(True)
+        self._resize_overlay()
+
+    def _resize_overlay(self):
+        self._overlay_widget.resize(
+            self.width(),
+            self.height()
+        )
+
+    def resizeEvent(self, event):
+        super(TrayPublishWindow, self).resizeEvent(event)
+        self._resize_overlay()
+
+    def _on_project_select(self, project_name):
+        self.controller.save_changes()
+        self.controller.reset_project_data_cache()
+        io.Session["AVALON_PROJECT"] = project_name
+        io.install()
+
+        self.reset()
+        if not self.controller.instances:
+            self._on_create_clicked()
+
+    def _on_tray_publish_save(self):
+        self.controller.save_changes()
+        print("NOT YET IMPLEMENTED")
+
+
+def main():
+    app = QtWidgets.QApplication([])
+    window = TrayPublishWindow()
+    window.show()
+    app.exec_()