diff --git a/lib/core/services/router.dart b/lib/core/services/router.dart
index 31dc94e..ed3abfb 100644
--- a/lib/core/services/router.dart
+++ b/lib/core/services/router.dart
@@ -5,6 +5,7 @@ import 'package:oc_front/pages/catalog_item.dart';
 import 'package:oc_front/pages/datacenter.dart';
 import 'package:oc_front/pages/map.dart';
 import 'package:oc_front/pages/scheduler.dart';
+import 'package:oc_front/pages/shared.dart';
 import 'package:oc_front/pages/workflow.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:flutter/material.dart';
@@ -62,6 +63,7 @@ class AppRouter {
       description: "Manage & monitor your datacenter.", help: "not implemented for now",
       factory: DatacenterFactory()),
     RouterItem(icon: Icons.public_outlined, label: "localisations", route: "map", factory: MapFactory()),
+    RouterItem(icon: Icons.share_rounded, label: "shared spaces", route: "shared", factory: SharedFactory()),
     catalogItem,
   ];
   static List<String> history = [];
diff --git a/lib/core/services/specialized_services/shared_service.dart b/lib/core/services/specialized_services/shared_service.dart
new file mode 100644
index 0000000..f2f9686
--- /dev/null
+++ b/lib/core/services/specialized_services/shared_service.dart
@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:oc_front/core/services/api_service.dart';
+import 'package:oc_front/core/services/specialized_services/abstract_service.dart';
+import 'package:oc_front/models/response.dart';
+import 'package:oc_front/models/shared.dart';
+
+class SharedService extends AbstractService<SharedWorkspace> {
+  @override APIService<SharedWorkspace> service = APIService<SharedWorkspace>(
+    baseURL: const String.fromEnvironment('SHAREDWORKSPACE_HOST', defaultValue: 'http://localhost:8091')
+  );
+  @override String subPath = "/oc/shared/workspace/";
+
+  Future<APIResponse<SharedWorkspace>> addWorkspace(BuildContext? context, String id, String id2) {  
+    return service.get("$id/workspace/$id2", true, context);
+  }
+
+  Future<APIResponse<SharedWorkspace>> addWorkflow(BuildContext? context, String id, String id2) {  
+    return service.get("$id/workflow/$id2", true, context);
+  }
+
+  Future<APIResponse<SharedWorkspace>> addPeer(BuildContext? context, String id, String id2) {  
+    return service.get("$id/peer/$id2", true, context);
+  }
+}
\ No newline at end of file
diff --git a/lib/models/response.dart b/lib/models/response.dart
index 92250a9..fa19e49 100644
--- a/lib/models/response.dart
+++ b/lib/models/response.dart
@@ -1,6 +1,7 @@
 import 'package:oc_front/models/abstract.dart';
 import 'package:oc_front/models/logs.dart';
 import 'package:oc_front/models/search.dart';
+import 'package:oc_front/models/shared.dart';
 import 'package:oc_front/models/workflow.dart';
 import 'package:oc_front/models/workspace.dart';
 
@@ -17,6 +18,7 @@ Map<Type, SerializerDeserializer> refs = <Type, SerializerDeserializer> {
   WorkflowExecutions: WorkflowExecutions(),
   LogsResult: LogsResult(),
   Check: Check(),
+  SharedWorkspace: SharedWorkspace(),
 };
 
 class APIResponse<T extends SerializerDeserializer> {
diff --git a/lib/models/shared.dart b/lib/models/shared.dart
new file mode 100644
index 0000000..e77d1ac
--- /dev/null
+++ b/lib/models/shared.dart
@@ -0,0 +1,112 @@
+import 'package:flutter/material.dart';
+import 'package:oc_front/models/abstract.dart';
+import 'package:oc_front/models/workflow.dart';
+import 'package:oc_front/models/workspace.dart';
+
+class SharedWorkspace extends SerializerDeserializer<SharedWorkspace> {
+  String? id;
+  String? name;
+  String? description;
+  String? creatorID;
+  String? version;
+  Map<String, dynamic> attributes = {};
+  List<Workspace> workspaces = [];
+  List<Workflow> workflows = [];
+  List<Peer> peers = [];
+  List<Rule> rules = [];
+
+  SharedWorkspace(
+      {this.id,
+      this.name,
+      this.description,
+      this.creatorID,
+      this.version,
+      this.attributes = const {},
+      this.workspaces = const [],
+      this.workflows = const [],
+      this.peers = const [],
+      this.rules = const []});
+
+  @override
+  deserialize(dynamic json) {
+    try { json = json as Map<String, dynamic>;
+    } catch (e) { return SharedWorkspace(); }   
+    return SharedWorkspace(
+      id: json.containsKey("id") ? json["id"] : null,
+      name: json.containsKey("name") ? json["name"] : null,
+      description: json.containsKey("description") ? json["description"] : null,
+      creatorID: json.containsKey("creator_id") ? json["creator_id"] : null,
+      version: json.containsKey("version") ? json["version"] : null,
+      attributes: json.containsKey("attributes") ? json["attributes"] : {},
+      workspaces: json.containsKey("shared_workspaces") ? fromListJson(json["shared_workspaces"], Workspace()) : [],
+      workflows: json.containsKey("shared_workflows") ? fromListJson(json["shared_workflows"], Workflow()) : [],
+      peers: json.containsKey("shared_peers") ? fromListJson(json["shared_peers"], Peer()) : [],
+      rules: json.containsKey("shared_rules") ? fromListJson(json["shared_rules"], Rule()) : [],
+    );
+  }
+  @override
+  Map<String, dynamic> serialize() => {
+    "id": id,
+    "name": name,
+    "description": description,
+    "creator_id": creatorID,
+    "version": version,
+    "attributes": attributes,
+    "workspaces": workspaces.map((e) => e.id).toList(),
+    "workflows": workflows.map((e) => e.id).toList(),
+    "peers": peers.map((e) => e.id).toList(),
+    "rules": rules.map((e) => e.id).toList(),
+  };
+}
+
+class Rule extends SerializerDeserializer<Rule> {
+  String? id;
+  String? name;
+  String? description;
+
+  Rule(
+      {this.id,
+      this.name,
+      this.description,});
+  
+  @override
+  deserialize(dynamic json) {
+    try { json = json as Map<String, dynamic>;
+    } catch (e) { return Rule(); }   
+    return Rule(
+      id: json.containsKey("id") ? json["id"] : null,
+      name: json.containsKey("name") ? json["name"] : null,
+      description: json.containsKey("description") ? json["description"] : null,
+    );
+  }
+  @override
+  Map<String, dynamic> serialize() => {
+    "id": id,
+    "name": name,
+    "description": description,
+  };
+}
+
+class Peer extends SerializerDeserializer<Peer> {
+  String? id;
+  String? name;
+
+  Peer(
+      {this.id,
+      this.name,});
+
+  @override
+  deserialize(dynamic json) {
+    try { json = json as Map<String, dynamic>;
+    } catch (e) { return Peer(); }   
+    return Peer(
+      id: json.containsKey("id") ? json["id"] : null,
+      name: json.containsKey("name") ? json["name"] : null,
+    );
+  }
+  @override
+  Map<String, dynamic> serialize() => {
+    "id": id,
+    "name": name,
+  };
+}
\ No newline at end of file
diff --git a/lib/pages/shared.dart b/lib/pages/shared.dart
new file mode 100644
index 0000000..a40bf45
--- /dev/null
+++ b/lib/pages/shared.dart
@@ -0,0 +1,63 @@
+import 'package:alert_banner/exports.dart';
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:oc_front/core/sections/header/header.dart';
+import 'package:oc_front/pages/abstract_page.dart';
+import 'package:oc_front/widgets/dialog/new_box_shared.dart';
+
+class  SharedFactory implements AbstractFactory {
+  static GlobalKey<SharedPageWidgetState> key = GlobalKey<SharedPageWidgetState>();
+  @override bool searchFill() { return false; }
+  @override Widget factory(GoRouterState state, List<String> args) { return SharedPageWidget(); }
+  @override void search(BuildContext context) { }
+}
+
+class SharedPageWidget extends StatefulWidget {
+  SharedPageWidget(): super(key: SharedFactory.key);
+  @override SharedPageWidgetState createState() => SharedPageWidgetState();
+  static void search(BuildContext context) { }
+  static Widget factory() { return SharedPageWidget(); }
+}
+class SharedPageWidgetState extends State<SharedPageWidget> {
+
+  @override Widget build(BuildContext context) {
+    Future.delayed(Duration(milliseconds: 100), () {
+      showDialog(context: context, builder: (BuildContext ctx) => AlertDialog(
+                                        titlePadding: EdgeInsets.zero,
+                                        insetPadding: EdgeInsets.zero,
+                                        backgroundColor: Colors.white,
+                                        shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(0)),
+                                        title:NewBoxSharedWidget()));
+    });
+    return Expanded( 
+      child : Column( children: [ 
+        Container(
+          height: 50,
+          color: const Color.fromRGBO(38, 166, 154, 1),
+          width: MediaQuery.of(context).size.width,
+        ),
+        Row( 
+        children: [
+          Container(
+            color: Colors.grey,
+            height: MediaQuery.of(context).size.height - HeaderConstants.height - 50,
+            width: 50,
+            padding: const EdgeInsets.symmetric(vertical: 20, horizontal: 10),
+            child: const Column(
+              children: [
+                Tooltip( message: "dashboard",
+                  child: InkWell( mouseCursor: SystemMouseCursors.click,
+                    child: Padding( padding: EdgeInsets.symmetric(vertical: 10), child : Icon(Icons.dashboard, color: Colors.white, size: 20)))),
+                Tooltip( message: "shared workspaces",
+                  child: InkWell( mouseCursor: SystemMouseCursors.click,
+                    child: Padding( padding: EdgeInsets.symmetric(vertical: 10), child : Icon(Icons.workspaces, color: Colors.white, size: 20)))),
+                Tooltip( message: "shared workflows",
+                  child: InkWell( mouseCursor: SystemMouseCursors.click,
+                    child: Padding( padding: EdgeInsets.symmetric(vertical: 10), child : Icon(Icons.rebase_edit, color: Colors.white, size: 20)))),
+              ])
+          ),
+        ]
+      ) ])
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/widgets/dialog/new_box_shared.dart b/lib/widgets/dialog/new_box_shared.dart
new file mode 100644
index 0000000..06feeea
--- /dev/null
+++ b/lib/widgets/dialog/new_box_shared.dart
@@ -0,0 +1,207 @@
+import 'package:flutter/material.dart';
+import 'package:oc_front/models/response.dart';
+import 'package:oc_front/core/services/router.dart';
+import 'package:oc_front/core/services/specialized_services/shared_service.dart';
+
+class NewBoxSharedWidget extends StatefulWidget {
+  String? _selected;
+  SharedService service = SharedService();
+  final TextEditingController _ctrl = TextEditingController();
+  final TextEditingController _ctrlDescr = TextEditingController();
+  NewBoxSharedWidget ({ super.key, });
+  @override NewBoxSharedWidgetState createState() => NewBoxSharedWidgetState();
+}
+class NewBoxSharedWidgetState extends State<NewBoxSharedWidget> {
+  GlobalKey<FormFieldState> key = GlobalKey<FormFieldState>();
+  GlobalKey<FormFieldState> key2 = GlobalKey<FormFieldState>();
+  @override Widget build(BuildContext context) {
+    return Container(
+      color: Colors.white,
+      padding: const EdgeInsets.only( top: 0, bottom: 20, left: 20, right: 20),
+      child: Column(
+          children: [
+            Container( 
+              alignment: Alignment.centerRight,
+              height: 50,
+              child: Row( mainAxisAlignment: MainAxisAlignment.end, children: [
+                const Padding(padding: EdgeInsets.symmetric(horizontal: 10), child: 
+                  Text("load or create a new shared workspace", style: TextStyle(color: Colors.grey, fontSize: 15)
+                )),
+                Padding ( padding: const EdgeInsets.symmetric(horizontal: 10), child: 
+                  Tooltip( message: "back", child: InkWell( 
+                  mouseCursor: SystemMouseCursors.click,
+                  onTap: () { 
+                    AppRouter.catalog.go(context, {}); 
+                  },
+                  child: const Icon(Icons.arrow_back, color: Colors.black))),
+                ),
+                Row ( mainAxisAlignment: MainAxisAlignment.end, children: [
+                  Tooltip( message: "close", child: InkWell( 
+                  mouseCursor: SystemMouseCursors.click,
+                  onTap: () { Navigator.pop(context); },
+                  child: const Icon(Icons.close, color: Colors.black))),
+                ]), 
+              ],),
+            ),
+            FutureBuilder<APIResponse<RawData>>(
+              future: widget.service.all(context),
+                builder: (context, snapshot) {
+                List<DropdownMenuItem> items = [];
+                if (snapshot.data != null && snapshot.data!.data != null) {
+                  for (var item in snapshot.data!.data!.values) {
+                    items.add(DropdownMenuItem<String>(
+                      value: item["id"].toString(),
+                      child: Text(item["name"].toString()),
+                    ));
+                  }
+                }
+                if (widget._selected != null 
+                    && !items.where((element) => element.value == widget._selected).isNotEmpty) { 
+                  items.add(DropdownMenuItem<String>(
+                            value: widget._selected.toString(),
+                            child: Text(widget._selected.toString()),
+                  ));
+                }
+              return  Row( 
+                mainAxisAlignment: MainAxisAlignment.center,
+                children : [ 
+                  SizedBox( width: MediaQuery.of(context).size.width <= 540 ? MediaQuery.of(context).size.width - 140 : 400, height: 50, 
+                    child: DropdownButtonFormField(
+                      value: widget._selected,
+                      isExpanded: true,
+                      hint: const Text("load shared workspace...", style: TextStyle(color: Colors.grey, fontSize: 15)),
+                      decoration: InputDecoration( 
+                        filled: true,
+                        focusedBorder: const OutlineInputBorder( borderRadius: BorderRadius.zero,
+                            borderSide: BorderSide(color: Color.fromARGB(38, 166, 154, 1), width: 0),
+                        ),
+                        fillColor: Colors.grey.shade300,
+                        contentPadding: const EdgeInsets.only(left: 30, right: 30, top: 10, bottom: 30),
+                        enabledBorder: OutlineInputBorder( borderRadius: BorderRadius.zero,
+                            borderSide: BorderSide(color: Colors.grey.shade300, width: 0),
+                        ),
+                        border: OutlineInputBorder( borderRadius: BorderRadius.zero,
+                          borderSide: BorderSide(color: Colors.grey.shade300, width: 0)),
+                      ),
+                      items: items, 
+                      onChanged: (value) {
+                        setState(() {
+                          widget._selected = value.toString();
+                        });
+                      })),
+                  Tooltip(
+                    message: 'empty selection',
+                    child: InkWell( 
+                      mouseCursor: widget._selected == null || widget._selected!.isEmpty ? MouseCursor.defer : SystemMouseCursors.click,
+                      onTap: () { 
+                        if (widget._selected == null || widget._selected!.isEmpty) { return; }
+                        setState(() {  widget._selected = null; }); 
+                      },
+                      child: Container( 
+                        width: 50, height: 50,
+                        decoration: const BoxDecoration( color: Colors.black,
+                          border: Border(right: BorderSide(color: Colors.white))),
+                            child: Icon(Icons.refresh, color: widget._selected == null || widget._selected!.isEmpty  ? Colors.grey : Colors.white),
+                        )
+                   )
+                  ),
+                  Tooltip(
+                    message: 'load shared workspace selected',
+                    child: InkWell( 
+                      mouseCursor: widget._selected == null || widget._selected!.isEmpty  
+                        ? MouseCursor.defer : SystemMouseCursors.click,
+                      onTap: () async { 
+                      },
+                      child: Container(
+                        width: 50, height: 50,
+                        color: Colors.black,
+                        child: Icon(Icons.open_in_browser_outlined, 
+                        color: widget._selected == null || widget._selected!.isEmpty ? Colors.grey : Colors.white),
+                      )
+                    )
+                  )
+                 ]);}),
+              Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.center,
+                children: [
+                  Container(
+                          margin: const EdgeInsets.only(top: 10),
+                          width: MediaQuery.of(context).size.width <= 540 ? MediaQuery.of(context).size.width - 90 : 450,
+                          height: 50,
+                          child: TextFormField( key: key,
+                            expands: true,
+                            maxLines: null,
+                            minLines: null,
+                            cursorColor: const Color.fromARGB(38, 166, 154, 1),
+                            controller: widget._ctrl,
+                            onChanged: (value) { widget._ctrl.text = value; }, 
+                            validator: (value) => value == null || value.isEmpty ? "name is required" : null,
+                            decoration: InputDecoration(
+                              hintText: "name a new shared workspace...",
+                              fillColor: Colors.grey.shade300,
+                              filled: true,
+                              errorStyle: const TextStyle(fontSize: 0),
+                              contentPadding: const EdgeInsets.only(left: 30, right: 30, top: 15, bottom: 5),
+                              hintStyle: const TextStyle(
+                                color: Colors.black,
+                                fontSize: 14,
+                                fontWeight: FontWeight.w300
+                              ),
+                              border: InputBorder.none
+                            )
+                          )
+                        ),
+                        Tooltip(
+                          message: 'add',
+                          child:InkWell( 
+                            mouseCursor: widget._ctrl.value.text.isEmpty ? MouseCursor.defer : SystemMouseCursors.click,
+                            onTap: () async {
+                              if (key.currentState!.validate() && key2.currentState!.validate()) {
+                                await widget.service.post(context, {
+                                  "name" :widget._ctrl.value.text, 
+                                  "description" : widget._ctrlDescr.value.text }, {});
+                              }
+                            },
+                            child: Container(
+                              margin: const EdgeInsets.only(top: 10),
+                              width: 50,
+                              height: 50,
+                              color: Colors.black,
+                              child: Icon(Icons.add, color: widget._ctrl.value.text.isEmpty ? Colors.grey : Colors.white)
+                            )
+                          )
+                        )
+                ]),
+            Container(
+                          margin: const EdgeInsets.only(top: 10),
+                          width: MediaQuery.of(context).size.width <= 540 ? MediaQuery.of(context).size.width - 40 : 500,
+                          height: 50,
+                          child: TextFormField( key: key2,
+                            expands: true,
+                            maxLines: null,
+                            minLines: null,
+                            cursorColor: const Color.fromARGB(38, 166, 154, 1),
+                            controller: widget._ctrlDescr,
+                            onChanged: (value) { widget._ctrlDescr.text = value; }, 
+                            validator: (value) => value == null || value.isEmpty ? "name is required" : null,
+                            decoration: InputDecoration(
+                              hintText: "description of a new shared workspace...",
+                              fillColor: Colors.grey.shade300,
+                              filled: true,
+                              errorStyle: const TextStyle(fontSize: 0),
+                              contentPadding: const EdgeInsets.only(left: 30, right: 30, top: 15, bottom: 5),
+                              hintStyle: const TextStyle(
+                                color: Colors.black,
+                                fontSize: 14,
+                                fontWeight: FontWeight.w300
+                              ),
+                              border: InputBorder.none
+                            )
+                          )
+                        ),
+          ]
+        )
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/widgets/forms/scheduler_forms.dart b/lib/widgets/forms/scheduler_forms.dart
index 147ba19..916d05e 100644
--- a/lib/widgets/forms/scheduler_forms.dart
+++ b/lib/widgets/forms/scheduler_forms.dart
@@ -330,6 +330,7 @@ class SchedulerFormsWidgetState extends State<SchedulerFormsWidget> {
       Tooltip( message: "check booking",
                               child: InkWell( mouseCursor: SystemMouseCursors.click, 
                               onTap: () {
+                                if (dash.scheduleActive) { return; }
                                 if (dash.scheduler["start"] == null ) {
                                   DateTime now = DateTime.now().add(const Duration(minutes: 5));
                                   dash.scheduler["start"] = now.toUtc().toIso8601String();
@@ -359,10 +360,11 @@ class SchedulerFormsWidgetState extends State<SchedulerFormsWidget> {
                                 );
                               }, child: Container( margin: const EdgeInsets.all(10),
                                 decoration: BoxDecoration(borderRadius: BorderRadius.circular(5), 
-                                  border: Border.all(color: widget.booking == null ? Colors.black :  (widget.booking == true ? Colors.green : Colors.red), width: 1)),
+                                  border: Border.all(color: widget.booking == null && !dash.scheduleActive ? Colors.grey :  (widget.booking == true || dash.scheduleActive  ? Colors.green : Colors.red), width: 1)),
                                 width: 140, height: 30,
                                 child: Icon(
-                                  Icons.verified_outlined, color:widget.booking == null ? Colors.black :  (widget.booking == true? Colors.green : Colors.red)),
+                                  Icons.verified_outlined, 
+                                  color: widget.booking == null && !dash.scheduleActive ? Colors.grey :  (widget.booking == true || dash.scheduleActive ? Colors.green : Colors.red)),
                               ))
                             ),
       Tooltip( message: dash.scheduleActive ? "unbook" : "book",
@@ -376,9 +378,12 @@ class SchedulerFormsWidgetState extends State<SchedulerFormsWidget> {
                                     } else { k.currentState!.save();}
                                   }
                                 }
-                                if (dash.scheduler["start"] == null ) {
-                                  DateTime now = DateTime.now().add(const Duration(minutes: 5));
+                                DateTime now = DateTime.now().add(const Duration(minutes: 5));
+                                if (dash.scheduler["start"] == null || DateTime.parse(dash.scheduler["start"]!).isBefore(now)) {
                                   dash.scheduler["start"] = now.toUtc().toIso8601String();
+                                  if (dash.scheduler["end"] != null) {
+                                    dash.scheduler["end"] = now.add(const Duration(minutes: 1)).toUtc().toIso8601String();
+                                  }
                                 }
                                 widget.item.save!(widget.item.id);
                                 setState(() {   });
diff --git a/lib/widgets/menu_clipper/clipper_menu.dart b/lib/widgets/menu_clipper/clipper_menu.dart
index 02e1c06..918342b 100644
--- a/lib/widgets/menu_clipper/clipper_menu.dart
+++ b/lib/widgets/menu_clipper/clipper_menu.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:oc_front/core/sections/header/menu.dart';
 import 'package:oc_front/core/services/router.dart';
 import 'package:oc_front/widgets/menu_clipper/arrow_clipper.dart';