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About Etar
Etar is a calendar app for Android with a Material Design interface. Its developers wanted a simple, modern open-source calendar that anyone could improve, and the project has grown to thousands of commits from its community.
It is based on an enhanced version of the calendar from the Android Open Source Project and works with the calendars already stored on the phone. It suits people on de-Googled or custom Android phones who want a clean calendar without proprietary components.
Strengths
- Open source with an active community
- Clean Material Design interface
- No proprietary components
Limitations
- Android only
- Sync depends on the calendar accounts set up on the phone
Details
- Pricing
- FreeFree and open source.
- License
- GPL-3.0
- Developer
- The Etar contributors
- Platforms
- Android
- How it runs
- Downloadable app
- Best suited for
- Android users who want a simple open-source calendar
- Categories
- Office tools
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Etar
Compare allSoftware that can replace Etar for an important use case, and what changes if you switch.
Proton Calendar
An end-to-end encrypted calendar from Proton, available on the web and on iOS and Android.
Proton Calendar offers an end-to-end encrypted Android calendar with web and iOS apps, but it requires a Proton account and is not open source.
Notion Calendar
A free calendar app, formerly Cron, that works with Google Calendar and Notion workspaces.
Notion Calendar is a free proprietary calendar for Android and desktop built around Google Calendar and Notion, with scheduling links and time zone views.
Microsoft Outlook for iOS and Android
Microsoft's Outlook mobile app for email, calendar and contacts on iPhone, iPad and Android.
Microsoft Outlook for iOS and Android combines calendar with email and contacts, but it is closed source and closely tied to Microsoft's services.
Google Calendar
Google's free web calendar for scheduling events, used with a Google account and synced across devices.
Google Calendar is a free calendar synced across devices through a Google account, trading Etar's open source local approach for data stored on Google's servers.
Similar software
Related functionality, not necessarily a direct replacement.
DAVx⁵
An Android app that syncs contacts, calendars and tasks over CardDAV and CalDAV and accesses WebDAV files.
Tasks.org
An open-source Android to-do list and reminders app that syncs with CalDAV, Google Tasks and more.
Baïkal
A lightweight self-hosted CalDAV and CardDAV server for syncing your own calendars and contacts.
Radicale
A small self-hosted CalDAV and CardDAV server for keeping calendars and contacts on your own machine.
