diff --git a/package-lock.json b/package-lock.json
index 9ef52a6..005de9d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5295,6 +5295,11 @@
                 "sort-keys": "^1.0.0"
             }
         },
+        "normalizr": {
+            "version": "3.4.1",
+            "resolved": "https://registry.npmjs.org/normalizr/-/normalizr-3.4.1.tgz",
+            "integrity": "sha512-gei+tJucERU8vYN6TFQL2k5YMLX2Yh7nlylKMJC65+Uu/LS3xQCDJc8cies72aHouycKYyVgcnyLRbaJsigXKw=="
+        },
         "npm-run-all": {
             "version": "4.1.5",
             "resolved": "https://registry.npmjs.org/npm-run-all/-/npm-run-all-4.1.5.tgz",
diff --git a/package.json b/package.json
index ba01fc4..85bd795 100644
--- a/package.json
+++ b/package.json
@@ -44,6 +44,7 @@
         "@fortawesome/free-solid-svg-icons": "^5.10.2",
         "@fortawesome/react-fontawesome": "^0.1.4",
         "lodash": "^4.17.15",
+        "normalizr": "^3.4.1",
         "react": "^16.9.0",
         "react-dom": "^16.9.0",
         "react-redux": "^7.1.1",
diff --git a/src/actions/directory.ts b/src/actions/directory.ts
new file mode 100644
index 0000000..07ed7a4
--- /dev/null
+++ b/src/actions/directory.ts
@@ -0,0 +1,73 @@
+import { Action, AnyAction } from 'redux'
+import { ThunkAction, ThunkDispatch } from 'redux-thunk'
+import { normalize } from 'normalizr'
+
+import { getGroups } from '../api/groups'
+import { setEntities } from '../actions/entities'
+import { startRequest, finishRequest } from '../actions/requests'
+import { group } from '../store/schemas'
+import { AppState } from '../types'
+
+const FETCH_ID = 'groups'
+
+export interface SetGroupsAction extends Action {
+    type: 'DIRECTORY_SET_GROUPS'
+    payload: string[]
+}
+
+export interface AppendGroupsAction extends Action {
+    type: 'DIRECTORY_APPEND_GROUPS',
+    payload: string[]
+}
+
+export interface SetContinuationAction extends Action {
+    type: 'DIRECTORY_SET_CONTINUATION'
+    payload: string
+}
+
+export type DirectoryActions = SetGroupsAction | AppendGroupsAction | SetContinuationAction
+
+const setGroups = (groups: string[]): SetGroupsAction => ({
+    type: 'DIRECTORY_SET_GROUPS',
+    payload: groups,
+})
+
+const appendGroups = (groups: string[]): AppendGroupsAction => ({
+    type: 'DIRECTORY_APPEND_GROUPS',
+    payload: groups,
+})
+
+const setContinuation = (continuation: string): SetContinuationAction => ({
+    type: 'DIRECTORY_SET_CONTINUATION',
+    payload: continuation,
+})
+
+const fetchGroups = (sort?: string, continuation?: string): ThunkAction<Promise<void>, AppState, void, AnyAction> => {
+    return async (dispatch: ThunkDispatch<AppState, void, AnyAction>) => {
+        dispatch(startRequest(FETCH_ID))
+
+        try {
+            const response = await getGroups(sort, continuation)
+            const groups = normalize(response.groups, group)
+
+            dispatch(setEntities(groups.entities))
+            dispatch(setGroups(groups.result))
+
+            if (response.continuation) {
+                dispatch(setContinuation(response.continuation))
+            }
+
+            dispatch(finishRequest(FETCH_ID, true))
+        } catch (err) {
+            console.error(err)
+            dispatch(finishRequest(FETCH_ID, false))
+        }
+    }
+}
+
+export {
+    setGroups,
+    appendGroups,
+    setContinuation,
+    fetchGroups,
+}
diff --git a/src/actions/entities.ts b/src/actions/entities.ts
index be7bfa2..9b771a1 100644
--- a/src/actions/entities.ts
+++ b/src/actions/entities.ts
@@ -1,5 +1,5 @@
 import { Action } from 'redux'
-import { Entity } from '../types/entities'
+import { Entity, EntityStore } from '../types'
 
 export interface SetEntityAction extends Action {
     type: 'ENTITIES_SET_ENTITY'
@@ -12,8 +12,7 @@ export interface SetEntityAction extends Action {
 export interface SetEntitiesAction extends Action {
     type: 'ENTITIES_SET_ENTITIES'
     payload: {
-        type: string
-        entities: Entity[]
+        entities: EntityStore
     }
 }
 
@@ -27,10 +26,9 @@ const setEntity = (type: string, entity: Entity): SetEntityAction => ({
     }
 })
 
-const setEntities = (type: string, entities: Entity[]): SetEntitiesAction => ({
+const setEntities = (entities: EntityStore): SetEntitiesAction => ({
     type: 'ENTITIES_SET_ENTITIES',
     payload: {
-        type,
         entities,
     }
 })
diff --git a/src/actions/groups.ts b/src/actions/groups.ts
deleted file mode 100644
index b44481d..0000000
--- a/src/actions/groups.ts
+++ /dev/null
@@ -1,46 +0,0 @@
-import { ThunkAction, ThunkDispatch } from 'redux-thunk'
-import { Action, AnyAction } from 'redux'
-
-import { getGroups } from '../api/groups'
-import { startRequest, finishRequest } from '../actions/requests'
-
-import { AppState } from '../types'
-import { Entity } from '../types/entities'
-
-const FETCH_ID = 'groups'
-
-export interface FetchGroupsAction extends Action {
-    type: 'GROUPS_FETCH'
-    payload: {
-        groups: Entity[]
-        continuation?: string
-    }
-}
-
-const setGroups = (groups: Entity[], continuation?: string): FetchGroupsAction => ({
-    type: 'GROUPS_FETCH',
-    payload: {
-        groups,
-        continuation,
-    },
-})
-
-const fetchGroups = (sort?: string, continuation?: string): ThunkAction<Promise<void>, AppState, void, AnyAction> => {
-    return async (dispatch: ThunkDispatch<AppState, void, AnyAction>) => {
-        dispatch(startRequest(FETCH_ID))
-
-        try {
-            const response = await getGroups(sort, continuation)
-
-            dispatch(setGroups(response.groups, response.continuation))
-            dispatch(finishRequest(FETCH_ID, true))
-        } catch (err) {
-            console.error(err)
-            dispatch(finishRequest(FETCH_ID, false))
-        }
-    }
-}
-
-export {
-    fetchGroups,
-}
diff --git a/src/api/groups.ts b/src/api/groups.ts
index 761dc49..6bff0a5 100644
--- a/src/api/groups.ts
+++ b/src/api/groups.ts
@@ -1,5 +1,5 @@
 import { fetch } from './fetch'
-import { Entity } from '../types/entities'
+import { Entity } from '../types'
 
 interface GroupsResponse {
     groups: Entity[]
@@ -13,7 +13,7 @@ export async function getGroups(sort: string = 'members', continuation?: string)
     }
 
     const querystring = Object.entries(params).filter(([name, value]) => value !== undefined).map(([name, value]) => `${name}=${value}`).join('&')
-    
+
     return await fetch<GroupsResponse>({
         path: `/api/groups?${querystring}`
     })
diff --git a/src/components/app/app.tsx b/src/components/app/app.tsx
index 195b605..34fdee9 100644
--- a/src/components/app/app.tsx
+++ b/src/components/app/app.tsx
@@ -1,8 +1,12 @@
 import React, { FC } from 'react'
 import { HashRouter as Router, Route, Link } from 'react-router-dom'
 
+import Spinner from '../spinner'
 import UserInfo from '../user-info'
+
 import Home from '../pages/home'
+import Register from '../pages/register'
+import Directory from '../pages/directory'
 
 import './app.scss'
 
@@ -30,6 +34,8 @@ const App: FC<Props> = ({ menuCollapsed, fetching }) => {
                         </p>
                     </div>
 
+                    {fetching && <Spinner />}
+
                     <UserInfo />
 
                     <footer>
@@ -46,7 +52,8 @@ const App: FC<Props> = ({ menuCollapsed, fetching }) => {
                 <div id="main-column" style={{ marginLeft: mainColumnLeftMargin }}>
                     <Route exact path="/" component={Home} />
                     <Route path="/login" component={Home} />
-                    <Route path="/signup" component={Home} />
+                    <Route path="/register/:group" component={Register} />
+                    <Route path="/directory" component={Directory} />
                 </div>
             </div>
         </Router>
diff --git a/src/components/pages/directory/directory.tsx b/src/components/pages/directory/directory.tsx
index 1d21bec..be057d8 100644
--- a/src/components/pages/directory/directory.tsx
+++ b/src/components/pages/directory/directory.tsx
@@ -1,6 +1,6 @@
 import React, { FC } from 'react'
 
-import { Entity } from '../../../types/entities'
+import { Entity } from '../../../types'
 
 interface Props {
     groups: Entity[]
diff --git a/src/components/pages/directory/index.ts b/src/components/pages/directory/index.ts
index bdd609d..0f17d56 100644
--- a/src/components/pages/directory/index.ts
+++ b/src/components/pages/directory/index.ts
@@ -1,7 +1,8 @@
 import { connect } from 'react-redux'
 import { ThunkDispatch } from 'redux-thunk'
+import { AnyAction } from 'redux'
 
-import { fetchGroups, FetchGroupsAction } from '../../../actions/groups'
+import { fetchGroups } from '../../../actions/directory'
 import { AppState } from '../../../types'
 
 import Directory from './directory'
@@ -9,7 +10,7 @@ import Directory from './directory'
 const mapStateToProps = () => {
 }
 
-const mapDispatchToProps = (dispatch: ThunkDispatch<AppState, void, FetchGroupsAction>) => ({
+const mapDispatchToProps = (dispatch: ThunkDispatch<AppState, void, AnyAction>) => ({
     fetchGroups: () => {
         dispatch(fetchGroups())
     }
diff --git a/src/components/pages/register/register.tsx b/src/components/pages/register/register.tsx
index 381ed42..2e935ba 100644
--- a/src/components/pages/register/register.tsx
+++ b/src/components/pages/register/register.tsx
@@ -1,19 +1,14 @@
 import React, { FC } from 'react'
 
-import { Entity } from '../../../types/entities'
+import { Entity } from '../../../types'
 
 interface Props {
-    groups: Entity[]
-    fetchGroups: () => void
+    group?: Entity
 }
 
-const Register: FC<Props> = ({ groups, fetchGroups }) => {
+const Register: FC<Props> = ({ group }) => {
     return (
-        <div>
-            <h1 className="title">Communities</h1>
-
-            {groups.length === 0 && <p>No Groups</p>}
-        </div>
+        <div></div>
     )
 }
 
diff --git a/src/components/spinner/index.tsx b/src/components/spinner/index.tsx
new file mode 100644
index 0000000..6fd052e
--- /dev/null
+++ b/src/components/spinner/index.tsx
@@ -0,0 +1,17 @@
+import React, { FC } from 'react'
+
+const Spinner: FC = () => (
+    <div className="sk-cube-grid">
+        <div className="sk-cube sk-cube1"></div>
+        <div className="sk-cube sk-cube2"></div>
+        <div className="sk-cube sk-cube3"></div>
+        <div className="sk-cube sk-cube4"></div>
+        <div className="sk-cube sk-cube5"></div>
+        <div className="sk-cube sk-cube6"></div>
+        <div className="sk-cube sk-cube7"></div>
+        <div className="sk-cube sk-cube8"></div>
+        <div className="sk-cube sk-cube9"></div>
+    </div>
+)
+
+export default Spinner
diff --git a/src/components/spinner/spinner.scss b/src/components/spinner/spinner.scss
new file mode 100644
index 0000000..a16c705
--- /dev/null
+++ b/src/components/spinner/spinner.scss
@@ -0,0 +1,62 @@
+.sk-cube-grid {
+    width: 40px;
+    height: 40px;
+    margin: 100px auto;
+}
+
+.sk-cube-grid .sk-cube {
+    width: 33%;
+    height: 33%;
+    background-color: #333;
+    float: left;
+    -webkit-animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out;
+            animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; 
+}
+
+.sk-cube-grid .sk-cube1 {
+    -webkit-animation-delay: 0.2s;
+            animation-delay: 0.2s; }
+.sk-cube-grid .sk-cube2 {
+    -webkit-animation-delay: 0.3s;
+            animation-delay: 0.3s; }
+.sk-cube-grid .sk-cube3 {
+    -webkit-animation-delay: 0.4s;
+            animation-delay: 0.4s; }
+.sk-cube-grid .sk-cube4 {
+    -webkit-animation-delay: 0.1s;
+            animation-delay: 0.1s; }
+.sk-cube-grid .sk-cube5 {
+    -webkit-animation-delay: 0.2s;
+            animation-delay: 0.2s; }
+.sk-cube-grid .sk-cube6 {
+    -webkit-animation-delay: 0.3s;
+            animation-delay: 0.3s; }
+.sk-cube-grid .sk-cube7 {
+    -webkit-animation-delay: 0s;
+            animation-delay: 0s; }
+.sk-cube-grid .sk-cube8 {
+    -webkit-animation-delay: 0.1s;
+            animation-delay: 0.1s; }
+.sk-cube-grid .sk-cube9 {
+    -webkit-animation-delay: 0.2s;
+            animation-delay: 0.2s; }
+  
+@-webkit-keyframes sk-cubeGridScaleDelay {
+    0%, 70%, 100% {
+        -webkit-transform: scale3D(1, 1, 1);
+                transform: scale3D(1, 1, 1);
+    } 35% {
+        -webkit-transform: scale3D(0, 0, 1);
+                transform: scale3D(0, 0, 1); 
+    }
+}
+
+@keyframes sk-cubeGridScaleDelay {
+    0%, 70%, 100% {
+        -webkit-transform: scale3D(1, 1, 1);
+                transform: scale3D(1, 1, 1);
+    } 35% {
+        -webkit-transform: scale3D(0, 0, 1);
+                transform: scale3D(0, 0, 1);
+    } 
+}
diff --git a/src/components/user-info/user-info.tsx b/src/components/user-info/user-info.tsx
index e680b25..b7b7ce8 100644
--- a/src/components/user-info/user-info.tsx
+++ b/src/components/user-info/user-info.tsx
@@ -1,13 +1,13 @@
 import React, { FC } from 'react'
 import { Link } from 'react-router-dom'
 
-import { IUser } from '../../types/entities'
+import { User } from '../../types'
 
 import './user-info.scss'
 
 interface Props {
     authenticated: boolean
-    user?: IUser
+    user?: User
 }
 
 const UserInfo: FC<Props> = ({ authenticated, user }) => {
@@ -32,7 +32,7 @@ const UserInfo: FC<Props> = ({ authenticated, user }) => {
                     <p>
                         <Link to="/login" className="is-size-5 has-text-white has-text-weight-bold">Log In</Link>
                         <br />
-                        <Link to="/signup" className="is-size-7 has-text-primary">Sign Up</Link>
+                        <Link to="/directory" className="is-size-7 has-text-primary">Sign Up</Link>
                     </p>
                 </div>
             </div>
diff --git a/src/reducers/directory.ts b/src/reducers/directory.ts
new file mode 100644
index 0000000..cf6394a
--- /dev/null
+++ b/src/reducers/directory.ts
@@ -0,0 +1,36 @@
+import { Reducer } from 'redux'
+
+import { DirectoryActions } from '../actions/directory'
+import { DirectoryState } from '../types'
+
+const initialState: DirectoryState = {
+    groups: [],
+    continuation: undefined,
+}
+
+const reducer: Reducer<DirectoryState, DirectoryActions> = (state = initialState, action) => {
+    switch (action.type) {
+        case 'DIRECTORY_SET_GROUPS':
+            return {
+                ...state,
+                groups: action.payload,
+            }
+        case 'DIRECTORY_APPEND_GROUPS':
+            return {
+                ...state,
+                groups: [
+                    ...state.groups,
+                    ...action.payload,
+                ],
+            }
+        case 'DIRECTORY_SET_CONTINUATION':
+            return {
+                ...state,
+                continuation: action.payload,
+            }
+        default:
+            return state
+    }
+}
+
+export default reducer
diff --git a/src/reducers/entities.ts b/src/reducers/entities.ts
index 6778768..dfa3925 100644
--- a/src/reducers/entities.ts
+++ b/src/reducers/entities.ts
@@ -21,6 +21,9 @@ const reducer: Reducer<EntitiesState, EntitiesActions> = (state = initialState,
                 },
             }
         }
+        case 'ENTITIES_SET_ENTITIES': {
+            return merge(state, action.payload.entities)
+        }
         default:
             return state
     }
diff --git a/src/reducers/requests.ts b/src/reducers/requests.ts
index 6222106..f6a337c 100644
--- a/src/reducers/requests.ts
+++ b/src/reducers/requests.ts
@@ -16,6 +16,7 @@ const reducer: Reducer<RequestsState, RequestsActions> = (state = initialState,
                     ...request,
                     fetching: true,
                     succeeded: false,
+                    started: Date.now(),
                 },
             }
         }
diff --git a/src/selectors/index.ts b/src/selectors/index.ts
index 7b1433e..22aa06f 100644
--- a/src/selectors/index.ts
+++ b/src/selectors/index.ts
@@ -1,10 +1,13 @@
 import values from 'lodash/values'
-import { AppState } from '../types'
+import { AppState, APIRequest } from '../types'
+
+const REQUEST_LOADING_MIN = 500
 
 export const getMenuCollapsed = (state: AppState) => state.menu.collapsed
 export const getAuthenticated = (state: AppState) => state.authentication.authenticated
 export const getNotifications = (state: AppState) => state.notifications
 
 export const getFetching = (state: AppState) => {
-    return values(state.requests).reduce((fetching, request) => fetching || request.fetching, false)
+    const isFetching = (request: APIRequest) => request.fetching && (Date.now() - request.started > REQUEST_LOADING_MIN)
+    return values(state.requests).reduce((fetching, request) => fetching || isFetching(request) , false)
 }
diff --git a/src/store/schemas.ts b/src/store/schemas.ts
new file mode 100644
index 0000000..acbcdb8
--- /dev/null
+++ b/src/store/schemas.ts
@@ -0,0 +1,12 @@
+import { schema } from 'normalizr'
+
+const group = new schema.Entity('groups')
+
+const user = new schema.Entity('users', {
+    group,
+})
+
+export {
+    group,
+    user,
+}
diff --git a/src/types/index.ts b/src/types/index.ts
index a509200..7708e1f 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -1,6 +1,3 @@
-import { EntityStore } from './entities'
-
-export type NotificationType = 'info' | 'success' | 'error'
 export type FetchMethods = 'get' | 'post' | 'put'
 
 export interface FetchOptions {
@@ -10,63 +7,28 @@ export interface FetchOptions {
     headers?: HeadersInit
 }
 
-export interface FormNotification {
-    field?: string
-    type: NotificationType
-    message: string
-}
-
-export interface APIRequest {
-    readonly id: string
-    readonly fetching: boolean
-    readonly succeeded: boolean
-}
-
-export interface APIRequestCollection {
-    [id: string]: APIRequest
-}
-
-export interface Notification {
-    readonly id: string
-    readonly type: NotificationType
-    readonly content: string
-    readonly auto: boolean
-    readonly expiration: number
-}
-
-export interface AuthenticationState {
-    readonly authenticated: boolean
-    readonly userId?: string
-}
-
-export interface MenuState {
-    readonly collapsed: boolean
-}
-
-export interface FormField {
-    readonly name: string
-    readonly value?: string
-    readonly notification?: FormNotification
-}
-
-export interface Form {
-    [name: string]: FormField
-}
-
-export interface FormsState {
-    readonly form: Form
-    readonly notification?: FormNotification
-}
-
-export type RequestsState = APIRequestCollection
-export type NotificationsState = readonly Notification[]
-export type EntitiesState = EntityStore
-
-export interface AppState {
-    authentication: AuthenticationState
-    entities: EntitiesState
-    forms: FormsState
-    menu: MenuState
-    notifications: NotificationsState
-    requests: RequestsState
-}
+export {
+    Entity,
+    Group,
+    User,
+    EntityCollection,
+    EntityStore,
+} from './entities'
+
+export {
+    NotificationType,
+    FormNotification,
+    APIRequest,
+    APIRequestCollection,
+    Notification,
+    AuthenticationState,
+    MenuState,
+    FormField,
+    Form,
+    FormsState,
+    DirectoryState,
+    RequestsState,
+    NotificationsState,
+    EntitiesState,
+    AppState,
+} from './store'
diff --git a/src/types/store.ts b/src/types/store.ts
new file mode 100644
index 0000000..7931c86
--- /dev/null
+++ b/src/types/store.ts
@@ -0,0 +1,71 @@
+
+import { EntityStore } from './entities'
+
+export type NotificationType = 'info' | 'success' | 'error'
+
+export interface FormNotification {
+    field?: string
+    type: NotificationType
+    message: string
+}
+
+export interface APIRequest {
+    readonly id: string
+    readonly fetching: boolean
+    readonly started: number
+    readonly succeeded: boolean
+}
+
+export interface APIRequestCollection {
+    [id: string]: APIRequest
+}
+
+export interface Notification {
+    readonly id: string
+    readonly type: NotificationType
+    readonly content: string
+    readonly auto: boolean
+    readonly expiration: number
+}
+
+export interface AuthenticationState {
+    readonly authenticated: boolean
+    readonly userId?: string
+}
+
+export interface MenuState {
+    readonly collapsed: boolean
+}
+
+export interface FormField {
+    readonly name: string
+    readonly value?: string
+    readonly notification?: FormNotification
+}
+
+export interface Form {
+    [name: string]: FormField
+}
+
+export interface FormsState {
+    readonly form: Form
+    readonly notification?: FormNotification
+}
+
+export interface DirectoryState {
+    readonly groups: string[]
+    readonly continuation?: string
+}
+
+export type RequestsState = APIRequestCollection
+export type NotificationsState = readonly Notification[]
+export type EntitiesState = EntityStore
+
+export interface AppState {
+    authentication: AuthenticationState
+    entities: EntitiesState
+    forms: FormsState
+    menu: MenuState
+    notifications: NotificationsState
+    requests: RequestsState
+}