diff --git a/frontend/src/app.js b/frontend/src/app.js
index f34b85d0bf..684f90ae24 100644
--- a/frontend/src/app.js
+++ b/frontend/src/app.js
@@ -12,6 +12,7 @@ import DraftsView from './pages/drafts/drafts-view';
 import DraftContent from './pages/drafts/draft-content';
 import FilesActivities from './pages/dashboard/files-activities';
 import Starred from './pages/starred/starred';
+import DTable from './pages/dtable/dtable';
 import LinkedDevices from './pages/linked-devices/linked-devices';
 import editUtilties from './utils/editor-utilties';
 import ShareAdminLibraries from './pages/share-admin/libraries';
@@ -36,6 +37,7 @@ import './css/search.css';
 const FilesActivitiesWrapper = MainContentWrapper(FilesActivities);
 const DraftsViewWrapper = MainContentWrapper(DraftsView);
 const StarredWrapper = MainContentWrapper(Starred);
+const DTableWrapper = MainContentWrapper(DTable);
 const LinkedDevicesWrapper = MainContentWrapper(LinkedDevices);
 const SharedLibrariesWrapper = MainContentWrapper(SharedLibraries);
 const ShareAdminLibrariesWrapper = MainContentWrapper(ShareAdminLibraries);
@@ -233,6 +235,7 @@ class App extends Component {
                 />
               </DraftsViewWrapper>
               <StarredWrapper path={siteRoot + 'starred'} onShowSidePanel={this.onShowSidePanel} onSearchedClick={this.onSearchedClick} />
+              <DTableWrapper path={siteRoot + 'dtable'} onShowSidePanel={this.onShowSidePanel} onSearchedClick={this.onSearchedClick} />
               <LinkedDevicesWrapper path={siteRoot + 'linked-devices'} onShowSidePanel={this.onShowSidePanel} onSearchedClick={this.onSearchedClick} />
               <ShareAdminLibrariesWrapper path={siteRoot + 'share-admin-libs'} onShowSidePanel={this.onShowSidePanel} onSearchedClick={this.onSearchedClick} />
               <ShareAdminFoldersWrapper path={siteRoot + 'share-admin-folders'} onShowSidePanel={this.onShowSidePanel} onSearchedClick={this.onSearchedClick} />
diff --git a/frontend/src/components/dialog/create-workspace-dialog.js b/frontend/src/components/dialog/create-workspace-dialog.js
new file mode 100644
index 0000000000..4f0bb69f3e
--- /dev/null
+++ b/frontend/src/components/dialog/create-workspace-dialog.js
@@ -0,0 +1,102 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Button, Modal, ModalHeader, Input, ModalBody, ModalFooter, Form, FormGroup, Label, Alert } from 'reactstrap';
+import { gettext } from '../../utils/constants';
+
+
+const propTypes = {
+  createWorkSpace: PropTypes.func.isRequired,
+  onCreateToggle: PropTypes.func.isRequired,
+};
+
+class CreateWorkSpaceDialog extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      workspaceName: '',
+      errMessage: '',
+      isSubmitBtnActive: false,
+    };
+    this.newInput = React.createRef();
+  }
+
+  handleNameChange = (e) => {
+    if (!e.target.value.trim()) {
+      this.setState({isSubmitBtnActive: false});
+    } else {
+      this.setState({isSubmitBtnActive: true});
+    }
+
+    this.setState({workspaceName: e.target.value});
+  }
+
+  handleSubmit = () => {
+    let isValid= this.validateInputParams();
+    if (isValid) {
+      let workspaceName = this.state.workspaceName.trim();
+      this.props.createWorkSpace(workspaceName);
+    }
+  } 
+
+  handleKeyPress = (e) => {
+    if (e.key === 'Enter') {
+      this.handleSubmit();
+      e.preventDefault();
+    }
+  }
+
+  toggle = () => {
+    this.props.onCreateToggle();
+  }
+
+  componentDidMount() {
+    this.newInput.focus();
+  }
+
+  validateInputParams() {
+    let errMessage = '';
+    let workspaceName = this.state.workspaceName.trim();
+    if (!workspaceName.length) {
+      errMessage = gettext('Name is required');
+      this.setState({errMessage: errMessage});
+      return false;
+    }
+    if (workspaceName.indexOf('/') > -1) {
+      errMessage = gettext('Name should not include \'/\'.');
+      this.setState({errMessage: errMessage});
+      return false;
+    }
+    return true;
+  }
+
+  render() {
+    return (
+      <Modal isOpen={true} toggle={this.toggle}>
+        <ModalHeader toggle={this.toggle}>{gettext('New Library')}</ModalHeader>
+        <ModalBody>
+          <Form>
+            <FormGroup>
+              <Label for="workspaceName">{gettext('Name')}</Label>
+              <Input 
+                id="workspaceName"
+                onKeyPress={this.handleKeyPress} 
+                innerRef={input => {this.newInput = input;}} 
+                value={this.state.workspaceName} 
+                onChange={this.handleNameChange}
+              />
+            </FormGroup>
+          </Form>
+          {this.state.errMessage && <Alert color="danger">{this.state.errMessage}</Alert>}
+        </ModalBody>
+        <ModalFooter>
+          <Button color="secondary" onClick={this.toggle}>{gettext('Cancel')}</Button>
+          <Button color="primary" onClick={this.handleSubmit} disabled={!this.state.isSubmitBtnActive}>{gettext('Submit')}</Button>
+        </ModalFooter>
+      </Modal>
+    );
+  }
+}
+
+CreateWorkSpaceDialog.propTypes = propTypes;
+
+export default CreateWorkSpaceDialog;
diff --git a/frontend/src/components/main-side-nav.js b/frontend/src/components/main-side-nav.js
index 1c6cd0ac78..b31c632fe1 100644
--- a/frontend/src/components/main-side-nav.js
+++ b/frontend/src/components/main-side-nav.js
@@ -182,6 +182,16 @@ class MainSideNav extends React.Component {
             </li>
           </ul>
 
+          <h3 className="sf-heading">{gettext('Database')}</h3>
+          <ul className="nav nav-pills flex-column nav-container">
+            <li className="nav-item">
+              <Link className={`nav-link ellipsis ${this.getActiveClass('dtable')}`} to={siteRoot + 'dtable/'} title={gettext('DTable')} onClick={() => this.tabItemClick('dtable')}>
+                <span className="sf2-icon-star" aria-hidden="true"></span>
+                <span className="nav-text">{gettext('DTable')}</span>
+              </Link>
+            </li>
+          </ul>
+
           <h3 className="sf-heading">{gettext('Tools')}</h3>
           <ul className="nav nav-pills flex-column nav-container">
             <li className="nav-item">
diff --git a/frontend/src/pages/dtable/dtable.js b/frontend/src/pages/dtable/dtable.js
new file mode 100644
index 0000000000..6deb987e4c
--- /dev/null
+++ b/frontend/src/pages/dtable/dtable.js
@@ -0,0 +1,251 @@
+import React, { Component, Fragment } from 'react';
+import PropTypes from 'prop-types';
+import { Button, ModalHeader, ModalBody, ModalFooter, Alert, Dropdown, DropdownToggle, DropdownMenu, DropdownItem } from 'reactstrap';
+import moment from 'moment';
+import { seafileAPI } from '../../utils/seafile-api';
+import { Utils } from '../../utils/utils';
+import { gettext, siteRoot } from '../../utils/constants';
+import Loading from '../../components/loading';
+import ModalPortal from '../../components/modal-portal';
+import CreateWorkSpaceDialog from '../../components/dialog/create-workspace-dialog';
+
+moment.locale(window.app.config.lang);
+
+
+const itemPropTypes = {
+  item: PropTypes.object.isRequired,
+  renameWorkSpace: PropTypes.func.isRequired,
+  deleteWorkSpace: PropTypes.func.isRequired,
+};
+
+class Item extends Component {
+
+  constructor(props) {
+    super(props);
+    this.state = {
+      dropdownOpen: false,
+      newName: '',
+    };
+  }
+
+  onRenameWorkSpace(workspace) {
+    let name = this.state.newName;
+    this.props.renameWorkSpace(workspace, name);
+  }
+
+  onDeleteWorkSpace(workspace) {
+    this.props.deleteWorkSpace(workspace);
+  }
+
+  dropdownToggle = () => {
+    this.setState({ dropdownOpen: !this.state.dropdownOpen });
+  }
+
+  render() {
+    let item = this.props.item;
+
+    return(
+      <Fragment>
+        <tr>
+          <td colSpan='5'>
+            {item.name}
+            <Dropdown isOpen={this.state.dropdownOpen} toggle={this.dropdownToggle} direction="down">
+              <DropdownToggle
+                caret={true}
+                tag='i'
+                title={gettext('More Operations')}
+                data-toggle="dropdown" 
+                aria-expanded={this.state.dropdownOpen}
+              >
+              </DropdownToggle>
+              <DropdownMenu className="drop-list" right={true}>
+                <DropdownItem onClick={this.onRenameWorkSpace.bind(this, item)}>{gettext('Rename')}</DropdownItem>
+                <DropdownItem onClick={this.onDeleteWorkSpace.bind(this, item)}>{gettext('Delete')}</DropdownItem>
+              </DropdownMenu>
+            </Dropdown>
+          </td>
+        </tr>
+        {item.table_list.map((table, index) => {
+          let tableHref = siteRoot + 'lib/' + item.repo_id + '/file' + Utils.encodePath(Utils.joinPath('/', table.name));
+          return (
+            <tr key={index}>
+              <td></td>
+              <td><a href={tableHref} target="_blank">{table.name}</a></td>
+              <td>{table.modifier}</td>
+              <td>{moment(table.mtime).fromNow()}</td>
+              <td></td>
+            </tr>
+          );
+        })}
+        <tr>
+          <td><Button className="fa fa-plus"></Button></td>
+          <td colSpan='4' >{gettext('Add a table')}</td>
+        </tr>
+      </Fragment>
+    );
+  }
+}
+
+Item.propTypes = itemPropTypes;
+
+
+const contentPropTypes = {
+  items: PropTypes.array.isRequired,
+  renameWorkSpace: PropTypes.func.isRequired,
+  deleteWorkSpace: PropTypes.func.isRequired,
+};
+
+class Content extends Component {
+
+  render() {
+    let items = this.props.items;
+
+    return ( 
+      <table width="100%" className="table table-hover table-vcenter">
+        <colgroup>
+          <col width="5%"/>
+          <col width="30%"/>
+          <col width="30%"/>
+          <col width="30%"/>
+          <col width="5%"/>
+        </colgroup>
+        <tbody>
+          {items.map((item, index) => {
+            return (
+              <Item
+                key={index}
+                item={item}
+                renameWorkSpace={this.props.renameWorkSpace}
+                deleteWorkSpace={this.props.deleteWorkSpace}
+              />
+            );
+          })}
+        </tbody>
+      </table>
+    );
+  }
+}
+
+Content.propTypes = contentPropTypes;
+
+
+class DTable extends Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      loading: true,
+      errorMsg: '',
+      items: [],
+      isShowCreateDialog: false,
+    };
+  }
+
+  onCreateToggle = () => {
+    this.setState({
+      isShowCreateDialog: !this.state.isShowCreateDialog,
+    });
+  }
+
+  createWorkSpace = (name) => {
+    seafileAPI.addWorkSpace(name).then((res) => {
+      this.state.items.push(res.data.workspace);
+      this.setState({items: this.state.items});
+    }).catch((error) => {
+      if(error.response) {
+        this.setState({errorMsg: gettext('Error')});
+      }
+    });
+    this.onCreateToggle();
+  }
+
+  renameWorkSpace = (workspace, name) => {
+    seafileAPI.renameWorkSpace(workspace.id, name).then((res) => {
+      let items = this.state.items.map((item) => {
+        if (item.id === workspace.id) {
+          item = res.data;
+        }
+        return item;
+      });
+      this.setState({items: items});
+    }).catch((error) => {
+      if(error.response) {
+        this.setState({errorMsg: gettext('Error')});
+      }
+    });
+  }
+
+  deleteWorkSpace = (workspace) => {
+    seafileAPI.deleteWorkSpace(workspace.id).then(() => {
+      let items = this.state.items.filter(item => {
+        return item.id !== workspace.id;
+      });
+      this.setState({items: items});
+    }).catch((error) => {
+      if(error.response) {
+        this.setState({errorMsg: gettext('Error')});
+      }
+    });
+  }
+
+  componentDidMount() {
+    seafileAPI.listWorkSpaces().then((res) => {
+      this.setState({
+        loading: false,
+        items: res.data.workspace_list,
+      });
+    }).catch((error) => {
+      if (error.response) {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Error')
+        });
+      } else {
+        this.setState({
+          loading: false,
+          errorMsg: gettext('Please check the network.')
+        });
+      }
+    });
+  }
+
+  render() {
+    return (
+      <div className="main-panel-center">
+        <div className="cur-view-container" id="starred">
+          <div className="cur-view-path">
+            <h3 className="sf-heading">{gettext('DTable')}</h3>
+          </div>
+          <div className="cur-view-content">
+            {this.state.loading && <Loading />}
+            {(!this.state.loading && this.state.errorMsg) && 
+              <p className="error text-center">{this.state.errorMsg}</p>
+            }
+            {!this.state.loading &&
+              <Fragment>
+                <Content
+                  items={this.state.items}
+                  renameWorkSpace={this.renameWorkSpace}
+                  deleteWorkSpace={this.deleteWorkSpace}
+                />
+                <br />
+                <div>
+                  {this.state.isShowCreateDialog &&
+                    <CreateWorkSpaceDialog
+                      createWorkSpace={this.createWorkSpace}
+                      onCreateToggle={this.onCreateToggle}
+                    />
+                  }
+                  <Button onClick={this.onCreateToggle} className="fa fa-plus">
+                    {gettext('Add a workspace')}
+                  </Button>
+                </div>
+              </Fragment>
+            }
+          </div>
+        </div>
+      </div>
+    );
+  }
+}
+
+export default DTable;
diff --git a/seahub/api2/endpoints/dtable.py b/seahub/api2/endpoints/dtable.py
new file mode 100644
index 0000000000..3f167fc82d
--- /dev/null
+++ b/seahub/api2/endpoints/dtable.py
@@ -0,0 +1,394 @@
+# -*- coding: utf-8 -*-
+
+import logging
+
+from rest_framework.views import APIView
+from rest_framework.authentication import SessionAuthentication
+from rest_framework.permissions import IsAuthenticated
+from rest_framework import status
+from rest_framework.response import Response
+
+from pysearpc import SearpcError
+from seaserv import seafile_api, edit_repo
+from seahub.api2.authentication import TokenAuthentication
+from seahub.api2.throttling import UserRateThrottle
+from seahub.api2.utils import api_error
+from seahub.dtable.models import WorkSpaces
+from seahub.base.templatetags.seahub_tags import email2nickname
+from seahub.utils.timeutils import timestamp_to_isoformat_timestr
+from seahub.utils import is_valid_dirent_name, is_org_context, normalize_file_path, check_filename_with_rename
+from seahub.settings import MAX_UPLOAD_FILE_NAME_LEN
+
+
+logger = logging.getLogger(__name__)
+
+
+class WorkSpacesView(APIView):
+
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    permission_classes = (IsAuthenticated, )
+    throttle_classes = (UserRateThrottle, )
+
+    def get(self, request):
+        """get all workspaces
+        """
+        owner = request.user.username
+        try:
+            workspaces = WorkSpaces.objects.get_workspaces_by_owner(owner)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        workspace_list = []
+        for workspace in workspaces:
+            repo_id = workspace.repo_id
+            repo = seafile_api.get_repo(repo_id)
+            if not repo:
+                logger.warning('Library %s not found.' % repo_id)
+                continue
+
+            table_objs = seafile_api.list_dir_by_path(repo_id, '/')
+            table_list = list()
+            for table_obj in table_objs:
+                table = dict()
+                table["name"] = table_obj.obj_name
+                table["mtime"] = timestamp_to_isoformat_timestr(table_obj.mtime)
+                table["modifier"] = email2nickname(table_obj.modifier) if table_obj.modifier else email2nickname(owner)
+                table_list.append(table)
+
+            res = workspace.to_dict()
+            res["table_list"] = table_list
+            res["updated_at"] = workspace.updated_at
+            workspace_list.append(res)
+
+        return Response({"workspace_list": workspace_list}, status=status.HTTP_200_OK)
+
+    def post(self, request):
+        """create a workspace
+        """
+        # argument check
+        name = request.POST.get('name')
+        if not name:
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        if not is_valid_dirent_name(name):
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # permission check
+        if not request.user.permissions.can_add_repo():
+            error_msg = 'You do not have permission to create workspace.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        org_id = -1
+        if is_org_context(request):
+            org_id = request.user.org.org_id
+
+        try:
+            if org_id > 0:
+                repo_id = seafile_api.create_org_repo(name, '', "dtable@seafile", org_id)
+            else:
+                repo_id = seafile_api.create_repo(name, '', "dtable@seafile")
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        owner = request.user.username
+        try:
+            workspace = WorkSpaces.objects.create_workspace(name, owner, repo_id)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        return Response({"workspace": workspace.to_dict()}, status=status.HTTP_201_CREATED)
+
+
+class WorkSpaceView(APIView):
+
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    permission_classes = (IsAuthenticated, )
+    throttle_classes = (UserRateThrottle, )
+
+    def put(self, request, workspace_id):
+        """rename a workspace
+        """
+        # argument check
+        workspace_name = request.data.get('name')
+        if not workspace_name:
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # resource check
+        workspace = WorkSpaces.objects.get_workspace_by_id(workspace_id)
+        if not workspace:
+            error_msg = 'WorkSpace %s not found.' % workspace_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        repo_id = workspace.repo_id
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # permission check
+        username = request.user.username
+        owner = workspace.owner
+        if username != owner:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # repo status check
+        repo_status = repo.status
+        if repo_status != 0:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        try:
+            edit_repo(repo_id, workspace_name, '', username)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        try:
+            workspace.name = workspace_name
+            workspace.save()
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        return Response({"workspace": workspace.to_dict()}, status=status.HTTP_200_OK)
+
+    def delete(self, request, workspace_id):
+        """delete a workspace
+        """
+        # resource check
+        workspace = WorkSpaces.objects.get_workspace_by_id(workspace_id)
+        if not workspace:
+            error_msg = 'WorkSpace %s not found.' % workspace_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        repo_id = workspace.repo_id
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # permission check
+        username = request.user.username
+        owner = workspace.owner
+        if username != owner:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # repo status check
+        repo_status = repo.status
+        if repo_status != 0:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # remove repo
+        try:
+            seafile_api.remove_repo(repo_id)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        try:
+            WorkSpaces.objects.delete_workspace(workspace_id)
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error.'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        return Response({"success": "true"}, status=status.HTTP_200_OK)
+
+
+class DTableView(APIView):
+
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    permission_classes = (IsAuthenticated, )
+    throttle_classes = (UserRateThrottle, )
+
+    def post(self, request, workspace_id):
+        """create a table file
+        """
+        # argument check
+        table_name = request.POST.get('name')
+        if not table_name:
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        if not is_valid_dirent_name(table_name):
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # resource check
+        workspace = WorkSpaces.objects.get_workspace_by_id(workspace_id)
+        if not workspace:
+            error_msg = 'WorkSpace %s not found.' % workspace_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        repo_id = workspace.repo_id
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # permission check
+        username = request.user.username
+        owner = workspace.owner
+        if username != owner:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # repo status check
+        repo_status = repo.status
+        if repo_status != 0:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # create new empty table
+        table_name = check_filename_with_rename(repo_id, '/', table_name)
+
+        try:
+            seafile_api.post_empty_file(repo_id, '/', table_name, owner)
+        except SearpcError, e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        table_path = normalize_file_path(table_name)
+        table_obj = seafile_api.get_dirent_by_path(repo_id, table_path)
+        table = dict()
+        table["name"] = table_obj.obj_name
+        table["mtime"] = timestamp_to_isoformat_timestr(table_obj.mtime)
+        table["modifier"] = email2nickname(table_obj.modifier) if table_obj.modifier else email2nickname(owner)
+
+        return Response({"table": table}, status=status.HTTP_201_CREATED)
+
+    def put(self, request, workspace_id):
+        """rename a table
+        """
+        # argument check
+        old_table_name = request.data.get('old_name')
+        if not old_table_name:
+            error_msg = 'old_name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        new_table_name = request.data.get('new_name')
+        if not new_table_name:
+            error_msg = 'new_name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        if not is_valid_dirent_name(new_table_name):
+            error_msg = 'new_name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        if len(new_table_name) > MAX_UPLOAD_FILE_NAME_LEN:
+            error_msg = 'new_name is too long.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # resource check
+        workspace = WorkSpaces.objects.get_workspace_by_id(workspace_id)
+        if not workspace:
+            error_msg = 'WorkSpace %s not found.' % workspace_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        repo_id = workspace.repo_id
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        old_table_path = normalize_file_path(old_table_name)
+        table_file_id = seafile_api.get_file_id_by_path(repo_id, old_table_path)
+        if not table_file_id:
+            error_msg = 'table %s not found.' % old_table_name
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        # permission check
+        username = request.user.username
+        owner = workspace.owner
+        if username != owner:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # repo status check
+        repo_status = repo.status
+        if repo_status != 0:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # rename table
+        new_table_name = check_filename_with_rename(repo_id, '/', new_table_name)
+        try:
+            seafile_api.rename_file(repo_id, '/', old_table_name, new_table_name, owner)
+        except SearpcError as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        new_table_path = normalize_file_path(new_table_name)
+        table_obj = seafile_api.get_dirent_by_path(repo_id, new_table_path)
+        table = dict()
+        table["name"] = table_obj.obj_name
+        table["mtime"] = timestamp_to_isoformat_timestr(table_obj.mtime)
+        table["modifier"] = email2nickname(table_obj.modifier) if table_obj.modifier else email2nickname(owner)
+
+        return Response({"table": table}, status=status.HTTP_200_OK)
+
+    def delete(self, request, workspace_id):
+        """delete a table
+        """
+        # argument check
+        table_name = request.data.get('name')
+        if not table_name:
+            error_msg = 'name invalid.'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        # resource check
+        workspace = WorkSpaces.objects.get_workspace_by_id(workspace_id)
+        if not workspace:
+            error_msg = 'WorkSpace %s not found.' % workspace_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        repo_id = workspace.repo_id
+        repo = seafile_api.get_repo(repo_id)
+        if not repo:
+            error_msg = 'Library %s not found.' % repo_id
+            return api_error(status.HTTP_404_NOT_FOUND, error_msg)
+
+        table_path = normalize_file_path(table_name)
+        table_file_id = seafile_api.get_file_id_by_path(repo_id, table_path)
+        if not table_file_id:
+            return Response({'success': True}, status=status.HTTP_200_OK)
+
+        # permission check
+        username = request.user.username
+        owner = workspace.owner
+        if username != owner:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # repo status check
+        repo_status = repo.status
+        if repo_status != 0:
+            error_msg = 'Permission denied.'
+            return api_error(status.HTTP_403_FORBIDDEN, error_msg)
+
+        # delete table
+        try:
+            seafile_api.del_file(repo_id, '/', table_name, owner)
+        except SearpcError as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        return Response({'success': True}, status=status.HTTP_200_OK)
diff --git a/seahub/dtable/__init__.py b/seahub/dtable/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/seahub/dtable/apps.py b/seahub/dtable/apps.py
new file mode 100644
index 0000000000..37a046bc54
--- /dev/null
+++ b/seahub/dtable/apps.py
@@ -0,0 +1,8 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.apps import AppConfig
+
+
+class DtableConfig(AppConfig):
+    name = 'dtable'
diff --git a/seahub/dtable/migrations/0001_initial.py b/seahub/dtable/migrations/0001_initial.py
new file mode 100644
index 0000000000..2a5124b48e
--- /dev/null
+++ b/seahub/dtable/migrations/0001_initial.py
@@ -0,0 +1,34 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.15 on 2019-05-24 03:56
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import seahub.base.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WorkSpaces',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', seahub.base.fields.LowerCaseCharField(max_length=255)),
+                ('owner', models.CharField(max_length=255)),
+                ('repo_id', models.CharField(db_index=True, max_length=36)),
+                ('created_at', models.DateTimeField(auto_now_add=True, db_index=True)),
+            ],
+            options={
+                'db_table': 'workspaces',
+            },
+        ),
+        migrations.AlterUniqueTogether(
+            name='workspaces',
+            unique_together=set([('owner', 'repo_id')]),
+        ),
+    ]
diff --git a/seahub/dtable/migrations/__init__.py b/seahub/dtable/migrations/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/seahub/dtable/models.py b/seahub/dtable/models.py
new file mode 100644
index 0000000000..2a0ce1fef9
--- /dev/null
+++ b/seahub/dtable/models.py
@@ -0,0 +1,72 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+from django.db import models
+from seaserv import seafile_api
+
+from seahub.base.fields import LowerCaseCharField
+from seahub.utils.timeutils import timestamp_to_isoformat_timestr, datetime_to_isoformat_timestr
+
+
+class WorkSpacesManager(models.Manager):
+
+    def get_workspaces_by_owner(self, owner):
+        try:
+            return super(WorkSpacesManager, self).filter(owner=owner)
+        except self.model.DoesNotExist:
+            return None
+
+    def get_workspace_by_id(self, workspace_id):
+        try:
+            return super(WorkSpacesManager, self).get(pk=workspace_id)
+        except self.model.DoesNotExist:
+            return None
+
+    def create_workspace(self, name, owner, repo_id):
+        try:
+            return super(WorkSpacesManager, self).get(name=name, owner=owner, repo_id=repo_id)
+        except self.model.DoesNotExist:
+            workspace = self.model(name=name, owner=owner, repo_id=repo_id)
+            workspace.save()
+            return workspace
+
+    def delete_workspace(self, workspace_id):
+        try:
+            workspace = super(WorkSpacesManager, self).get(pk=workspace_id)
+            workspace.delete()
+            return True
+        except self.model.DoesNotExist:
+            return False
+
+
+class WorkSpaces(models.Model):
+
+    name = LowerCaseCharField(max_length=255)
+    owner = models.CharField(max_length=255)
+    repo_id = models.CharField(max_length=36, db_index=True)
+    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
+
+    objects = WorkSpacesManager()
+
+    class Meta:
+        unique_together = (('owner', 'repo_id'),)
+        db_table = 'workspaces'
+
+    @property
+    def updated_at(self):
+        assert len(self.repo_id) == 36
+
+        repo = seafile_api.get_repo(self.repo_id)
+        if not repo:
+            return ''
+
+        return timestamp_to_isoformat_timestr(repo.last_modify)
+
+    def to_dict(self):
+
+        return {
+            'id': self.pk,
+            'name': self.name,
+            'owner': self.owner,
+            'repo_id': self.repo_id,
+            'created_at': datetime_to_isoformat_timestr(self.created_at),
+        }
diff --git a/seahub/settings.py b/seahub/settings.py
index 3713a3433a..3ad42873f0 100644
--- a/seahub/settings.py
+++ b/seahub/settings.py
@@ -258,6 +258,7 @@ INSTALLED_APPS = (
     'seahub.file_tags',
     'seahub.related_files',
     'seahub.work_weixin',
+    'seahub.dtable',
 )
 
 # Enable or disable view File Scan
diff --git a/seahub/urls.py b/seahub/urls.py
index e9fd491d5a..17538c48b2 100644
--- a/seahub/urls.py
+++ b/seahub/urls.py
@@ -84,6 +84,7 @@ from seahub.api2.endpoints.related_files import RelatedFilesView, RelatedFileVie
 from seahub.api2.endpoints.webdav_secret import WebdavSecretView
 from seahub.api2.endpoints.starred_items import StarredItems
 from seahub.api2.endpoints.markdown_lint import MarkdownLintView
+from seahub.api2.endpoints.dtable import WorkSpacesView, WorkSpaceView, DTableView
 
 # Admin
 from seahub.api2.endpoints.admin.revision_tag import AdminTaggedItemsView
@@ -220,6 +221,7 @@ urlpatterns = [
     url(r'^my-libs/deleted/$', react_fake_view, name="my_libs_deleted"),
     url(r'^org/$', react_fake_view, name="org"),
     url(r'^invitations/$', react_fake_view, name="invitations"),
+    url(r'^dtable/$', react_fake_view, name='dtable'),
 
     ### Ajax ###
     url(r'^ajax/repo/(?P<repo_id>[-0-9a-f]{36})/dirents/$', get_dirents, name="get_dirents"),
@@ -342,6 +344,11 @@ urlpatterns = [
     # user: markdown-lint
     url(r'^api/v2.1/markdown-lint/$', MarkdownLintView.as_view(), name='api-v2.1-markdown-lint'),
 
+    # user: workspaces
+    url(r'^api/v2.1/workspaces/$', WorkSpacesView.as_view(), name='api-v2.1-workspaces'),
+    url(r'^api/v2.1/workspace/(?P<workspace_id>\d+)/$', WorkSpaceView.as_view(), name='api-v2.1-workspace'),
+    url(r'^api/v2.1/workspace/(?P<workspace_id>\d+)/table/$', DTableView.as_view(), name='api-v2.1-workspace-table'),
+
     # Deprecated
     url(r'^api/v2.1/repos/(?P<repo_id>[-0-9a-f]{36})/tags/$', FileTagsView.as_view(), name="api-v2.1-filetags-view"),
     url(r'^api/v2.1/repos/(?P<repo_id>[-0-9a-f]{36})/tags/(?P<name>.*?)/$', FileTagView.as_view(), name="api-v2.1-filetag-view"),