diff --git a/editor/editor_data.cpp b/editor/editor_data.cpp
index 58ffa223fbd..11b900f45c1 100644
--- a/editor/editor_data.cpp
+++ b/editor/editor_data.cpp
@@ -353,6 +353,7 @@ void EditorData::notify_edited_scene_changed() {
 	for (int i = 0; i < editor_plugins.size(); i++) {
 
 		editor_plugins[i]->edited_scene_changed();
+		editor_plugins[i]->notify_scene_changed(get_edited_scene_root());
 	}
 }
 
@@ -488,8 +489,14 @@ void EditorData::move_edited_scene_index(int p_idx, int p_to_idx) {
 }
 void EditorData::remove_scene(int p_idx) {
 	ERR_FAIL_INDEX(p_idx, edited_scene.size());
-	if (edited_scene[p_idx].root)
+	if (edited_scene[p_idx].root) {
+
+		for (int i = 0; i < editor_plugins.size(); i++) {
+			editor_plugins[i]->notify_scene_closed(edited_scene[p_idx].root->get_filename());
+		}
+
 		memdelete(edited_scene[p_idx].root);
+	}
 
 	if (current_edited_scene > p_idx)
 		current_edited_scene--;
@@ -615,6 +622,17 @@ int EditorData::get_edited_scene_count() const {
 	return edited_scene.size();
 }
 
+Vector<EditorData::EditedScene> EditorData::get_edited_scenes() const {
+
+	Vector<EditedScene> out_edited_scenes_list = Vector<EditedScene>();
+
+	for (int i = 0; i < edited_scene.size(); i++) {
+		out_edited_scenes_list.push_back(edited_scene[i]);
+	}
+
+	return out_edited_scenes_list;
+}
+
 void EditorData::set_edited_scene_version(uint64_t version, int scene_idx) {
 	ERR_FAIL_INDEX(current_edited_scene, edited_scene.size());
 	if (scene_idx < 0) {
diff --git a/editor/editor_data.h b/editor/editor_data.h
index 50f0d5fd415..a601b5019db 100644
--- a/editor/editor_data.h
+++ b/editor/editor_data.h
@@ -31,6 +31,7 @@
 #define EDITOR_DATA_H
 
 #include "editor/editor_plugin.h"
+#include "editor/plugins/script_editor_plugin.h"
 #include "list.h"
 #include "pair.h"
 #include "scene/resources/texture.h"
@@ -109,6 +110,17 @@ public:
 		Ref<Texture> icon;
 	};
 
+	struct EditedScene {
+		Node *root;
+		Dictionary editor_states;
+		List<Node *> selection;
+		Vector<EditorHistory::History> history_stored;
+		int history_current;
+		Dictionary custom_state;
+		uint64_t version;
+		NodePath live_edit_root;
+	};
+
 private:
 	Vector<EditorPlugin *> editor_plugins;
 
@@ -124,17 +136,6 @@ private:
 
 	void _cleanup_history();
 
-	struct EditedScene {
-		Node *root;
-		Dictionary editor_states;
-		List<Node *> selection;
-		Vector<EditorHistory::History> history_stored;
-		int history_current;
-		Dictionary custom_state;
-		uint64_t version;
-		NodePath live_edit_root;
-	};
-
 	Vector<EditedScene> edited_scene;
 	int current_edited_scene;
 
@@ -180,6 +181,7 @@ public:
 	int get_edited_scene() const;
 	Node *get_edited_scene_root(int p_idx = -1);
 	int get_edited_scene_count() const;
+	Vector<EditedScene> get_edited_scenes() const;
 	String get_scene_title(int p_idx) const;
 	String get_scene_path(int p_idx) const;
 	String get_scene_type(int p_idx) const;
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index 348dd32a668..450bc5b6260 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -1575,6 +1575,11 @@ void EditorNode::_edit_current() {
 
 				editor_plugin_screen->make_visible(true);
 
+				int plugin_count = editor_data.get_editor_plugin_count();
+				for (int i = 0; i < plugin_count; i++) {
+					editor_data.get_editor_plugin(i)->notify_main_screen_changed(editor_plugin_screen->get_name());
+				}
+
 				for (int i = 0; i < editor_table.size(); i++) {
 
 					main_editor_buttons[i]->set_pressed(editor_table[i] == main_plugin);
@@ -2865,6 +2870,11 @@ void EditorNode::_editor_select(int p_which) {
 	editor_plugin_screen->make_visible(true);
 	editor_plugin_screen->selected_notify();
 
+	int plugin_count = editor_data.get_editor_plugin_count();
+	for (int i = 0; i < plugin_count; i++) {
+		editor_data.get_editor_plugin(i)->notify_main_screen_changed(editor_plugin_screen->get_name());
+	}
+
 	if (EditorSettings::get_singleton()->get("interface/separate_distraction_mode")) {
 		if (p_which == EDITOR_SCRIPT) {
 			set_distraction_free_mode(script_distraction);
@@ -3756,6 +3766,7 @@ void EditorNode::register_editor_types() {
 	ClassDB::register_class<EditorResourcePreviewGenerator>();
 	ClassDB::register_class<EditorFileSystem>();
 	ClassDB::register_class<EditorFileSystemDirectory>();
+	ClassDB::register_virtual_class<ScriptEditor>();
 
 	//ClassDB::register_type<EditorImporter>();
 	//ClassDB::register_type<EditorPostImport>();
diff --git a/editor/editor_plugin.cpp b/editor/editor_plugin.cpp
index 606fd8ee5e4..a754dd4b999 100644
--- a/editor/editor_plugin.cpp
+++ b/editor/editor_plugin.cpp
@@ -171,6 +171,46 @@ void EditorPlugin::set_input_event_forwarding_always_enabled() {
 	always_input_forwarding_list->add_plugin(this);
 }
 
+Node *EditorPlugin::get_edited_scene_root() {
+	return EditorNode::get_singleton()->get_edited_scene();
+}
+
+Array EditorPlugin::get_opened_scenes_list() const {
+
+	Array ret;
+	Vector<EditorData::EditedScene> scenes = EditorNode::get_singleton()->get_editor_data().get_edited_scenes();
+
+	int scns_amount = scenes.size();
+	for (int idx_scn = 0; idx_scn < scns_amount; idx_scn++) {
+		if (scenes[idx_scn].root == NULL)
+			continue;
+		ret.push_back(scenes[idx_scn].root->get_filename());
+	}
+	return ret;
+}
+
+ScriptEditor *EditorPlugin::get_script_editor() {
+	return ScriptEditor::get_singleton();
+}
+
+void EditorPlugin::notify_scene_changed(const Node *scn_root) {
+	if (scn_root == NULL) return;
+	emit_signal("scene_changed", scn_root);
+}
+
+void EditorPlugin::notify_main_screen_changed(const String &screen_name) {
+
+	if (screen_name == last_main_screen_name)
+		return;
+
+	emit_signal("main_screen_changed", screen_name);
+	last_main_screen_name = screen_name;
+}
+
+void EditorPlugin::notify_scene_closed(const String &scene_filepath) {
+	emit_signal("scene_closed", scene_filepath);
+}
+
 Ref<SpatialEditorGizmo> EditorPlugin::create_spatial_gizmo(Spatial *p_spatial) {
 	//??
 	if (get_script_instance() && get_script_instance()->has_method("create_spatial_gizmo")) {
@@ -392,6 +432,7 @@ void EditorPlugin::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("get_undo_redo:UndoRedo"), &EditorPlugin::_get_undo_redo);
 	ClassDB::bind_method(D_METHOD("get_selection:EditorSelection"), &EditorPlugin::get_selection);
 	ClassDB::bind_method(D_METHOD("get_editor_settings:EditorSettings"), &EditorPlugin::get_editor_settings);
+	ClassDB::bind_method(D_METHOD("get_script_editor:ScriptEditor"), &EditorPlugin::get_script_editor);
 	ClassDB::bind_method(D_METHOD("queue_save_layout"), &EditorPlugin::queue_save_layout);
 	ClassDB::bind_method(D_METHOD("edit_resource"), &EditorPlugin::edit_resource);
 	ClassDB::bind_method(D_METHOD("open_scene_from_path", "scene_filepath"), &EditorPlugin::open_scene_from_path);
@@ -399,6 +440,9 @@ void EditorPlugin::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("add_import_plugin"), &EditorPlugin::add_import_plugin);
 	ClassDB::bind_method(D_METHOD("remove_import_plugin"), &EditorPlugin::remove_import_plugin);
 	ClassDB::bind_method(D_METHOD("set_input_event_forwarding_always_enabled"), &EditorPlugin::set_input_event_forwarding_always_enabled);
+	ClassDB::bind_method(D_METHOD("get_opened_scenes_list"), &EditorPlugin::get_opened_scenes_list);
+	ClassDB::bind_method(D_METHOD("get_edited_scene_root:Node"), &EditorPlugin::get_edited_scene_root);
+
 	ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::BOOL, "forward_canvas_gui_input", PropertyInfo(Variant::TRANSFORM2D, "canvas_xform"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent")));
 	ClassDB::add_virtual_method(get_class_static(), MethodInfo("forward_draw_over_canvas", PropertyInfo(Variant::TRANSFORM2D, "canvas_xform"), PropertyInfo(Variant::OBJECT, "canvas:Control")));
 	ClassDB::add_virtual_method(get_class_static(), MethodInfo(Variant::BOOL, "forward_spatial_gui_input", PropertyInfo(Variant::OBJECT, "camera", PROPERTY_HINT_RESOURCE_TYPE, "Camera"), PropertyInfo(Variant::OBJECT, "event", PROPERTY_HINT_RESOURCE_TYPE, "InputEvent")));
@@ -420,6 +464,10 @@ void EditorPlugin::_bind_methods() {
 	ClassDB::add_virtual_method(get_class_static(), MethodInfo("set_window_layout", PropertyInfo(Variant::OBJECT, "layout", PROPERTY_HINT_RESOURCE_TYPE, "ConfigFile")));
 	ClassDB::add_virtual_method(get_class_static(), MethodInfo("get_window_layout", PropertyInfo(Variant::OBJECT, "layout", PROPERTY_HINT_RESOURCE_TYPE, "ConfigFile")));
 
+	ADD_SIGNAL(MethodInfo("scene_changed", PropertyInfo(Variant::OBJECT, "scene_root:Node")));
+	ADD_SIGNAL(MethodInfo("scene_closed", PropertyInfo(Variant::STRING, "filepath:String")));
+	ADD_SIGNAL(MethodInfo("main_screen_changed", PropertyInfo(Variant::STRING, "screen_name:String")));
+
 	BIND_CONSTANT(CONTAINER_TOOLBAR);
 	BIND_CONSTANT(CONTAINER_SPATIAL_EDITOR_MENU);
 	BIND_CONSTANT(CONTAINER_SPATIAL_EDITOR_SIDE);
@@ -442,6 +490,7 @@ void EditorPlugin::_bind_methods() {
 EditorPlugin::EditorPlugin() {
 	undo_redo = NULL;
 	input_event_forwarding_always_enabled = false;
+	last_main_screen_name = "";
 }
 
 EditorPlugin::~EditorPlugin() {
diff --git a/editor/editor_plugin.h b/editor/editor_plugin.h
index 3653851d5a0..2c920323a1d 100644
--- a/editor/editor_plugin.h
+++ b/editor/editor_plugin.h
@@ -52,6 +52,8 @@ class EditorImportPlugin;
 class EditorExportPlugin;
 class EditorResourcePreview;
 class EditorFileSystem;
+class EditorToolAddons;
+class ScriptEditor;
 
 class EditorPlugin : public Node {
 
@@ -63,6 +65,8 @@ class EditorPlugin : public Node {
 
 	bool input_event_forwarding_always_enabled;
 
+	String last_main_screen_name;
+
 protected:
 	static void _bind_methods();
 	UndoRedo &get_undo_redo() { return *undo_redo; }
@@ -113,6 +117,14 @@ public:
 	void set_input_event_forwarding_always_enabled();
 	bool is_input_event_forwarding_always_enabled() { return input_event_forwarding_always_enabled; }
 
+	Node *get_edited_scene_root();
+	Array get_opened_scenes_list() const;
+	ScriptEditor *get_script_editor();
+
+	void notify_main_screen_changed(const String &screen_name);
+	void notify_scene_changed(const Node *scn_root);
+	void notify_scene_closed(const String &scene_filepath);
+
 	virtual Ref<SpatialEditorGizmo> create_spatial_gizmo(Spatial *p_spatial);
 	virtual bool forward_canvas_gui_input(const Transform2D &p_canvas_xform, const Ref<InputEvent> &p_event);
 	virtual void forward_draw_over_canvas(const Transform2D &p_canvas_xform, Control *p_canvas);
diff --git a/editor/plugins/script_editor_plugin.cpp b/editor/plugins/script_editor_plugin.cpp
index dc2eddda398..b28b559b71d 100644
--- a/editor/plugins/script_editor_plugin.cpp
+++ b/editor/plugins/script_editor_plugin.cpp
@@ -405,6 +405,8 @@ void ScriptEditor::_go_to_tab(int p_idx) {
 		script_icon->set_texture(c->cast_to<ScriptEditorBase>()->get_icon());
 		if (is_visible_in_tree())
 			c->cast_to<ScriptEditorBase>()->ensure_focus();
+
+		notify_script_changed(c->cast_to<ScriptEditorBase>()->get_edited_script());
 	}
 	if (c->cast_to<EditorHelp>()) {
 
@@ -510,7 +512,7 @@ void ScriptEditor::_close_tab(int p_idx, bool p_save) {
 			apply_scripts();
 		}
 		current->clear_edit_menu();
-
+		notify_script_close(current->get_edited_script());
 	} else {
 		EditorHelp *help = tab_container->get_child(selected)->cast_to<EditorHelp>();
 		_add_recent_script(help->get_class());
@@ -777,6 +779,31 @@ void ScriptEditor::_file_dialog_action(String p_file) {
 	file_dialog_option = -1;
 }
 
+Ref<Script> ScriptEditor::_get_current_script() {
+
+	int selected = tab_container->get_current_tab();
+	if (selected < 0 || selected >= tab_container->get_child_count())
+		return NULL;
+
+	ScriptEditorBase *current = tab_container->get_child(selected)->cast_to<ScriptEditorBase>();
+	if (current) {
+		return current->get_edited_script();
+	} else {
+		return NULL;
+	}
+}
+
+Array ScriptEditor::_get_opened_script_list() const {
+
+	Array ret;
+	Vector<Ref<Script> > scripts = get_opened_scripts();
+	int scrits_amount = scripts.size();
+	for (int idx_script = 0; idx_script < scrits_amount; idx_script++) {
+		ret.push_back(scripts[idx_script]);
+	}
+	return ret;
+}
+
 void ScriptEditor::_menu_option(int p_option) {
 
 	switch (p_option) {
@@ -1127,6 +1154,14 @@ void ScriptEditor::edited_scene_changed() {
 	_update_modified_scripts_for_external_editor();
 }
 
+void ScriptEditor::notify_script_close(const Ref<Script> &p_script) {
+	emit_signal("script_close", p_script);
+}
+
+void ScriptEditor::notify_script_changed(const Ref<Script> &p_script) {
+	emit_signal("script_changed", p_script);
+}
+
 static const Node *_find_node_with_script(const Node *p_node, const RefPtr &p_script) {
 
 	if (p_node->get_script() == p_script)
@@ -1662,6 +1697,7 @@ bool ScriptEditor::edit(const Ref<Script> &p_script, int p_line, int p_col, bool
 	if (p_line >= 0)
 		se->goto_line(p_line - 1);
 
+	notify_script_changed(p_script);
 	return true;
 }
 
@@ -2038,6 +2074,8 @@ void ScriptEditor::_update_history_pos(int p_new_pos) {
 
 		n->cast_to<ScriptEditorBase>()->set_edit_state(history[history_pos].state);
 		n->cast_to<ScriptEditorBase>()->ensure_focus();
+
+		notify_script_changed(n->cast_to<ScriptEditorBase>()->get_edited_script());
 	}
 
 	if (n->cast_to<EditorHelp>()) {
@@ -2065,6 +2103,21 @@ void ScriptEditor::_history_back() {
 		_update_history_pos(history_pos - 1);
 	}
 }
+
+Vector<Ref<Script> > ScriptEditor::get_opened_scripts() const {
+
+	Vector<Ref<Script> > out_scripts = Vector<Ref<Script> >();
+
+	for (int i = 0; i < tab_container->get_child_count(); i++) {
+		ScriptEditorBase *se = tab_container->get_child(i)->cast_to<ScriptEditorBase>();
+		if (!se)
+			continue;
+		out_scripts.push_back(se->get_edited_script());
+	}
+
+	return out_scripts;
+}
+
 void ScriptEditor::set_scene_root_script(Ref<Script> p_script) {
 
 	bool open_dominant = EditorSettings::get_singleton()->get("text_editor/files/open_dominant_script_on_scene_change");
@@ -2158,6 +2211,12 @@ void ScriptEditor::_bind_methods() {
 	ClassDB::bind_method("_history_back", &ScriptEditor::_history_back);
 	ClassDB::bind_method("_live_auto_reload_running_scripts", &ScriptEditor::_live_auto_reload_running_scripts);
 	ClassDB::bind_method("_unhandled_input", &ScriptEditor::_unhandled_input);
+
+	ClassDB::bind_method(D_METHOD("get_current_script"), &ScriptEditor::_get_current_script);
+	ClassDB::bind_method(D_METHOD("get_opened_scripts_list"), &ScriptEditor::_get_opened_script_list);
+
+	ADD_SIGNAL(MethodInfo("script_changed", PropertyInfo(Variant::OBJECT, "script:Script")));
+	ADD_SIGNAL(MethodInfo("script_close", PropertyInfo(Variant::STRING, "script:String")));
 }
 
 ScriptEditor::ScriptEditor(EditorNode *p_editor) {
diff --git a/editor/plugins/script_editor_plugin.h b/editor/plugins/script_editor_plugin.h
index 7f173659319..225e9fc099b 100644
--- a/editor/plugins/script_editor_plugin.h
+++ b/editor/plugins/script_editor_plugin.h
@@ -321,6 +321,9 @@ class ScriptEditor : public VBoxContainer {
 	int file_dialog_option;
 	void _file_dialog_action(String p_file);
 
+	Ref<Script> _get_current_script();
+	Array _get_opened_script_list() const;
+
 	static void _open_script_request(const String &p_path);
 
 	static ScriptEditor *script_editor;
@@ -354,11 +357,15 @@ public:
 	void get_window_layout(Ref<ConfigFile> p_layout);
 
 	void set_scene_root_script(Ref<Script> p_script);
+	Vector<Ref<Script> > get_opened_scripts() const;
 
 	bool script_goto_method(Ref<Script> p_script, const String &p_method);
 
 	virtual void edited_scene_changed();
 
+	void notify_script_close(const Ref<Script> &p_script);
+	void notify_script_changed(const Ref<Script> &p_script);
+
 	void close_builtin_scripts_from_scene(const String &p_scene);
 
 	void goto_help(const String &p_desc) { _help_class_goto(p_desc); }