diff --git a/projects/common/src/fm/common-service.module.ts b/projects/common/src/fm/common-service.module.ts
index 3db913f..8f387a5 100644
--- a/projects/common/src/fm/common-service.module.ts
+++ b/projects/common/src/fm/common-service.module.ts
@@ -38,7 +38,10 @@ import { PackageService } from './services/package.service';
 import { PackagePreloadStrategy } from './services/package-preload-strategy.service';
 import { SenmlService } from './services/senml-service';
 import { DeviceService } from './services/device.service';
-import { GradientService} from './services/gradient.service';
+import { GradientService } from './services/gradient.service';
+import { UserDataService } from './services/user-data.service';
+import { CacheService } from './services/cache-service';
+import { SharedItemService } from './services/shared-item.service';
 
 export {
   FolderService,
@@ -69,7 +72,10 @@ export {
   SenmlService,
   PackagePreloadStrategy,
   DeviceService,
-  GradientService
+  GradientService,
+  UserDataService,
+  CacheService,
+  SharedItemService
 };
 
 @NgModule({
@@ -90,9 +96,9 @@ export class AppCommonServiceModule {
       providers: [
         AppConfig,
         ItemTypeService,
-        provideAppInitializer(() => {
-        const initializerFn = (appConfigFactory)(inject(Injector), inject(AppConfig), inject(OAuthService), inject(AuthConfigFactory), inject(OAuthStorage), inject(ItemTypeService));
-        return initializerFn();
+        provideAppInitializer(() => {
+        const initializerFn = (appConfigFactory)(inject(Injector), inject(AppConfig), inject(OAuthService), inject(AuthConfigFactory), inject(OAuthStorage), inject(ItemTypeService));
+        return initializerFn();
       }),
         {
           provide: HTTP_INTERCEPTORS,
diff --git a/projects/common/src/fm/common.module.ts b/projects/common/src/fm/common.module.ts
index 9f17ace..177475f 100644
--- a/projects/common/src/fm/common.module.ts
+++ b/projects/common/src/fm/common.module.ts
@@ -61,6 +61,9 @@ import { IItemTask, ItemTask } from './models/itemTask';
 import { IJsonline } from './models/json-line';
 import { IListItem } from './models/list.item';
 import { IPackage, IPackages } from './models/package';
+import { IAclRights } from './models/acl.rights';
+import { IListItemAclRights } from './models/list.item.acl.rights';
+import { ISharedItem } from './models/shared.item';
 import { IQueryState } from './models/query.state';
 import { ISenMLItem } from './models/senml-item';
 import { ITypeaheadItem } from './models/typeahead.item';
@@ -79,6 +82,7 @@ export {
   commonReducers, EditImageModalComponent,
   GradientComponent,
   GradientSelectComponent, HasClaimDirective, HasPackageDirective, HasRoleDirective, IAuthconfigFactory, IColor, IDataLayer, IEventMessage, IGradientstop, IItem, IItemLinkType, IItemTask, IItemType, IItemTypes, IJsonline, IListItem, IPackage,
+  IAclRights, IListItemAclRights, ISharedItem,
   IPackages, IQueryState, ISenMLItem, Item, ItemLinkComponent, ItemTask, ITypeaheadItem, IUrlType, IUser, MenuBackgroundComponent, NotFoundComponent,
   NotImplementedComponent, PackageExistsDirective, ResumableFileUploadComponent, SafePipe, SecureOAuthStorage, SessionClearedComponent, SidePanelComponent, TagInputComponent, ThumbnailComponent, TimespanComponent, UserMenuComponent, WeatherCurrentObservation
 };
diff --git a/projects/common/src/fm/models/acl.rights.ts b/projects/common/src/fm/models/acl.rights.ts
new file mode 100644
index 0000000..37309f6
--- /dev/null
+++ b/projects/common/src/fm/models/acl.rights.ts
@@ -0,0 +1,9 @@
+export interface IAclRights {
+  id?: number,
+  claim: any,
+  expires: Date,
+  rights: number,
+  owner: any,
+  deep: boolean
+}
+  
\ No newline at end of file
diff --git a/projects/common/src/fm/models/list.item.acl.rights.ts b/projects/common/src/fm/models/list.item.acl.rights.ts
new file mode 100644
index 0000000..32f6420
--- /dev/null
+++ b/projects/common/src/fm/models/list.item.acl.rights.ts
@@ -0,0 +1,6 @@
+import { IItem } from '@farmmaps/common';
+import { IAclRights } from './acl.rights';
+
+export interface IListItemAclRights extends IItem {
+  aclRights: IAclRights[]
+}
\ No newline at end of file
diff --git a/projects/common/src/fm/models/shared.item.ts b/projects/common/src/fm/models/shared.item.ts
new file mode 100644
index 0000000..4158426
--- /dev/null
+++ b/projects/common/src/fm/models/shared.item.ts
@@ -0,0 +1,13 @@
+import { IUser } from '@farmmaps/common';
+
+export interface ISharedItem {
+    code: string,
+    name: string,
+    type: string,
+    sharedToUser: IUser,
+    rights: Date,
+    expires: Date,
+    dataDate: Date,
+    childItems: ISharedItem[]
+  }
+  
\ No newline at end of file
diff --git a/projects/common/src/fm/services/cache-service.ts b/projects/common/src/fm/services/cache-service.ts
new file mode 100644
index 0000000..2025eb9
--- /dev/null
+++ b/projects/common/src/fm/services/cache-service.ts
@@ -0,0 +1,44 @@
+import { Injectable } from '@angular/core';
+import { IItem, ItemService } from '@farmmaps/common';
+import { OAuthService } from 'angular-oauth2-oidc';
+import { Observable, ReplaySubject, Subscription, timer } from 'rxjs';
+import { catchError, take } from 'rxjs/operators';
+
+const REFRESH_INTERVAL = 15 * 60 * 1000;  // 15m
+
+@Injectable({ providedIn: 'root'})
+export class CacheService {
+  private proxyCacheMap: { [key: string]: ReplaySubject<IItem[]> } = {};
+  private subscriptionMap: { [key: string]: Subscription } = {};
+
+  constructor(private itemService: ItemService, public oauthService: OAuthService) {
+    timer(0, REFRESH_INTERVAL).subscribe(() => {
+      this.subscriptionMap = {};
+    })
+  }
+
+  getItemList(itemType: string) : Observable<IItem[]> {
+    if (!this.proxyCacheMap[itemType]) {
+      this.proxyCacheMap[itemType] = new ReplaySubject(1);
+    }
+
+    if (this.oauthService.getAccessToken() != null && !this.subscriptionMap[itemType]) {
+      this.subscriptionMap[itemType] = this.itemService.getItemList(itemType)
+        .pipe(          
+          catchError(error => {
+            this.subscriptionMap[itemType].unsubscribe();
+            this.subscriptionMap[itemType] = null;
+            throw error;
+          }),
+
+      ).subscribe(items => {
+        this.proxyCacheMap[itemType].next(items);
+      });
+    }
+
+    return this.proxyCacheMap[itemType].asObservable()
+      .pipe(
+        take(1)
+      );
+  }
+}
diff --git a/projects/common/src/fm/services/shared-item.service.ts b/projects/common/src/fm/services/shared-item.service.ts
new file mode 100644
index 0000000..c7ee375
--- /dev/null
+++ b/projects/common/src/fm/services/shared-item.service.ts
@@ -0,0 +1,73 @@
+import { HttpClient, HttpParams } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { AppConfig, IListItem } from '@farmmaps/common';
+import { Observable } from 'rxjs';
+import { IListItemAclRights } from '../models/list.item.acl.rights';
+import { ISharedItem } from '../models/shared.item';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class SharedItemService {
+
+  constructor(
+    public httpClient: HttpClient,
+    public appConfig: AppConfig) {
+  }
+
+  apiEndpoint() {
+    return this.appConfig.getConfig('apiEndPoint');
+  }
+
+  public getSharedUsersForItem(itemCode: string): Observable<any> {
+    return this.httpClient.get<any>(`${this.apiEndpoint()}/api/v1/items/${itemCode}/sharedusers`);
+  }
+
+  getSharedItemsWithRightsInfo(userCode: string): Observable<ISharedItem[]> {
+    return this.httpClient.get<any>(`${this.apiEndpoint()}/api/v1/users/${userCode}/shared`);
+  }
+
+  shareItem(itemCode: string, userCode: string, userRights: string, expireTimespan: string, deep: boolean): Observable<any> {
+    const body = {
+      rights: userRights,
+      expire: expireTimespan,
+      deep: deep
+    };
+
+    return this.httpClient.post<any>(`${this.apiEndpoint()}/api/v1/items/${itemCode}/share/${userCode}`, body);
+  }
+
+  revokeSharedItem(itemCode: string, userCode: string): Observable<any> {
+    return this.httpClient.delete<any>(`${this.apiEndpoint()}/api/v1/items/${itemCode}/share/${userCode}`);
+  }
+
+  getSharedItemRights(sharedByMe: boolean): Observable<IListItemAclRights[]> {
+    let params = new HttpParams();
+    params = params.append('byMe', sharedByMe);
+
+    return this.httpClient.get<any>(`${this.apiEndpoint()}/api/v1/user/rights`, {params: params});
+  }
+
+  getSharedItemsByParent(parentCode: string): Observable<ISharedItem[]> {
+    return this.httpClient.get<any>(`${this.apiEndpoint()}/api/v1/items/${parentCode}/sharedchildren`);
+  }
+
+  getSharedWithCurrentUser(profile: string): Observable<IListItem[]> {
+    let params = new HttpParams();
+    if (profile != null) {
+      params = params.append('sharedBy', profile);
+    }
+
+    return this.httpClient.get<any>(`${this.apiEndpoint()}/api/v1/items/shared/`, {params: params});
+  }
+
+  // this method does not belong here, belongs in some sort of item service
+  public copyItem(itemCode: string, newParentCode: string, newUserCode: string): Observable<any> {
+    const body = {
+      itemCode: itemCode,
+      newParentCode: newParentCode,
+      newUserCode: newUserCode
+    };
+    return this.httpClient.post<any>(`${this.apiEndpoint()}/api/v1/items/copy`, body);
+  }
+}
diff --git a/projects/common/src/fm/services/user-data.service.ts b/projects/common/src/fm/services/user-data.service.ts
new file mode 100644
index 0000000..ddf96e0
--- /dev/null
+++ b/projects/common/src/fm/services/user-data.service.ts
@@ -0,0 +1,34 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+import { AppConfig, IUser } from '@farmmaps/common';
+import { Observable } from 'rxjs';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class UserDataService {
+  constructor(
+    public httpClient: HttpClient,
+    public appConfig: AppConfig) {
+  }
+
+  ApiEndpoint() {
+    return this.appConfig.getConfig('apiEndPoint');
+  }
+
+  loadUserNotifications(): Observable<any> {
+    return this.httpClient.get<any>(`${this.ApiEndpoint()}/api/v1/notifications`);
+  }
+
+  readUserNotification(notificationCode: string): Observable<any> {
+    return this.httpClient.put<any>(`${this.ApiEndpoint()}/api/v1/notifications/${notificationCode}`, null);
+  }
+
+  deleteUserNotification(notificationCode: string): Observable<any> {
+    return this.httpClient.delete<any>(`${this.ApiEndpoint()}/api/v1/notifications/${notificationCode}`);
+  }
+
+  getUserConnections(userCode: string, active: boolean): Observable<IUser[]> {
+    return this.httpClient.get<any>(`${this.ApiEndpoint()}/api/v1/users/${userCode}/connections?active=${active}`);
+  }
+}