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Nextcloud Calendar screenshot
In your browserAGPL-3.0

A calendar app that runs on a Nextcloud server, letting you sync events from your devices and edit them in a web browser. It is for people and teams who want to keep their calendar on their own Nextcloud server.

Has 3 of 6 · Phone app ✗ +1

Thunderbird screenshot
Not on GitHubWindows · Mac · Linux · AndroidMPL-2.0Replaces partly

Thunderbird is a free, open-source email app for Windows, macOS and Linux that also includes calendars and contacts, with an Android app for email. It suits people who want to manage their email and calendars in one desktop program without relying on a big tech company.

Has 2 of 6

Fossify Calendar screenshot
AndroidGPL-3.0Replaces partly

Fossify Calendar is a calendar app for Android phones that lets you plan events, reminders and repeating appointments. It is aimed at people who want a private calendar with no ads or tracking.

Has 2 of 6

Continues Simple Calendar after the original was discontinued

Etar Calendar screenshot
AndroidGPL-3.0Replaces partly

Etar is a calendar app for Android phones that shows month, week, day and agenda views. It is for people who want a simple calendar that can keep events on the phone or sync them with a calendar server.

Has 1 of 6

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