EGroupware
9.2#2 in calendar appsFrom €21.90 a monthFree planAndroidiOSWebAPI
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| Fact | EGroupware | Everest |
|---|---|---|
| Calendar sync | two_way | Everest reads availability across connected Google and Outlook calendars and mirrors commitments as private busy blocks without sharing event titles or details. |
| Free plan | Yes | Yes |
| Headquarters | Kaiserslautern, Germany | Newark, Delaware, USA |
| Integrations | Official integrations include Collabora Online, Rocket.Chat, Jitsi, BigBlueButton, Guacamole, Placetel telephony and Univention UCS. | The maker lists Google and Microsoft/Outlook calendar integrations, and Telegram for scheduling by text on the Assistant plan. |
| Shared calendars | Yes | Yes |
| What it does | EGroupware is a browser-based groupware and online-office suite combining email, calendars, contacts, tasks, projects, files, CRM, helpdesk, chat and online document editing. | Everest combines calendars and schedules meetings by proposing times, handling email back-and-forth, and booking on the appropriate calendar. |
You want what its maker publishes above — check its page for the details.
You want what its maker publishes above — check its page for the details.