Calendar is an open-source project built for android users seeking open-source calendar solutions.

Does Calendar have a free plan?

Yes — Calendar is open source under the GPL-3.0 license and free to use.

What platforms does Calendar run on?

Calendar runs on the web and Android.

Is Calendar still maintained?

The GitHub repository shows 1.2k commits in the last 90 days.

What projects are similar to Calendar?

Similar projects tracked by PulseGate include Calendar Color, Calendula, and Fitness Calendar.

Calendar is developed by Vayun Mathur.

When did Calendar launch?

Calendar first shipped in 2026.

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Calendar

Name: Calendar
Author: Vayun Mathur

f-droid.orgCalendar & scheduling

Calendar is an open-source Android app featuring a Material You interface, event management, notifications, and offline access. It is designed for users who want a modern, privacy-friendly calendar experience.

Open SourceGPL-3.0WebAndroid

Visit f-droid.org

380stars

24forks

5features

2026since

Overview

5 features

Calendar sits in PulseGate's Calendar & scheduling category. It provides a fully functional, privacy-respecting calendar app with modern design for Android users. It is built as an open-source project for android users seeking open-source calendar solutions. The project is open source (GPL-3.0). Calendar is available on the web and Android.

Behind Calendar is Vayun Mathur, and it first shipped in 2026. Development happens publicly on GitHub with 380 stars and 1.2k commits in the last 90 days. Key capabilities include event management, Material You design, and notifications. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.

Event management
Material You design
Notifications
Recurring events
Offline access

Built with & integrations

Runs on

BrowserAndroid

Trust & compliance

License

GPL-3.0

Verified signals

HTTPSOpen SourceFree tierActive maintenanceMulti-languageStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed17 Jun · 16:51 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Calendar

What does Calendar do?: Calendar provides a fully functional, privacy-respecting calendar app with modern design for Android users. It is catalogued under Calendar & scheduling on PulseGate.
Who is Calendar for?: Calendar is an open-source project built for android users seeking open-source calendar solutions.
Does Calendar have a free plan?: Yes — Calendar is open source under the GPL-3.0 license and free to use.
What platforms does Calendar run on?: Calendar runs on the web and Android.
Is Calendar still maintained?: The GitHub repository shows 1.2k commits in the last 90 days.
What projects are similar to Calendar?: Similar projects tracked by PulseGate include Calendar Color, Calendula, and Fitness Calendar.Calendar Color Calendula Fitness Calendar
Who makes Calendar?: Calendar is developed by Vayun Mathur.
When did Calendar launch?: Calendar first shipped in 2026.

At a glance

Pricing: Open Source
Platforms: Mobile · Web
License: GPL-3.0
Built for: Android users seeking open-source calendar solutions
Model: Open source
Solves: Provides a fully functional, privacy-respecting calendar app with modern design for Android users.

Registered as

Google Play: com.vayunmathur.calendar

Developer

Vayun Mathur

Community-driven

Open source

Stars: 380
Forks: 24
Open issues: 24
Last commit: 17 Jun 2026
Commits 90d: 1,243
Contributors: 27
Authorship: Community-driven
Default branch: main
Latest release: v2.5.4 · 15 Jun 2026

Index record

Identity confidence: High · 96.5
Indexed: 17 Jun 2026
Lifecycle: Alive
Last seen: 17 Jun 2026

Identity audit (11)

Slug: calendar-f-droid-free-and-open-source-android-app-reposito-f-droid-org
Lifecycle last checked: 8 Aug 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 17 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Languages from: Detected by a language model, checked against the page's own declaration.
Canonical URL: https://f-droid.org/packages/com.vayunmathur.calendar

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