Online Calendar


  • Save favorite calendars and calendar views on personal and group level
  • Create multiple categories with colors on a group level
  • Selection of calendar views and planners
  • Visualization of accepted events by participants with dotted/solid lines
  • Visualization of tasks as events in every calendar view
  • Flexible filtering by multiple categories, status, users/groups and participant status
  • Visualization of bank holidays
  • Show birthdays from address book
  • Use preferences to adapt calendar view 


  • Send, accept and reject invitations
  • Set alarms and reminders
  • Set recurrence for events and create exceptions
  • Conflict management and warnings
  • Customize events by using extra fields
  • Copy / Print functions
  • Free time search
  • Link events to other data in EGroupware e.g. contacts, resources and projects
  • Add users / contacts from address book as participants
  • Attach files, and follow up / see changes in versions of files
  • On click access to file storage
  • Add automatically pre filled time documentation
  • Book resources to events
  • Get automatic email notifications
  • Notify external participants
  • Option "do not notify" about changes
  • Full-text search
  • Use different time zones
  • "Secretary feature" to manage other peoples calendars


  • History function
  • Deletion protection
  • ACL - sophisticated access control system
  • Disallow inviting of certain users/groups
  • Manage notifications
  • Forced, default and personal preferences


  • Data synchronization to mobile devices by eSync using ActiveSync protocol
  • Data synchronization to desktop clients (e.g. Outlook)
  • Scheduled Export / Import (iCal & CSV)
  • Merge Print
  • Default Spreadsheet and Text document templates for reporting and printing