Who should use CalSync?

CalSync is an open-source project built for android users managing multiple calendars.

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

What platforms does CalSync run on?

CalSync runs on the web and Android.

Is CalSync still active?

The GitHub repository shows 121 commits in the last 90 days.

What are alternatives to CalSync?

Similar projects tracked by PulseGate include CalSync, Sync2Cal, and KashCal.

CalSync is developed by Henrique Couto.

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CalSync

Name: CalSync
Author: Henrique Couto

f-droid.orgCalendar & scheduling

CalSync is an Android app that syncs events across multiple local device calendars automatically. It allows users to select source and target calendars, customize event names, and ensures changes and deletions are mirrored, making calendar management seamless for busy users.

Open SourceGPL-3.0WebAndroid

Visit f-droid.org

5stars

1alternative

5features

2026since

Overview

5 features

In the Calendar & scheduling space, CalSync takes a focused approach. CalSync automatically synchronizes events between multiple local calendars on an Android device. It is built as an open-source project for android users managing multiple calendars. The project is open source (GPL-3.0). It runs on the web and Android.

Henrique Couto builds and maintains CalSync, and it first shipped in 2026. Development happens publicly on GitHub with 121 commits in the last 90 days. Among its 5 catalogued features are calendar sync, event copying, and custom event names. The interface is available in 26 languages, including Arabic, Tibetan, and Catalan.

Calendar sync
Event copying
Custom event names
Automatic background sync
Event deletion mirroring

Built with & integrations

Runs on

BrowserAndroid

Trust & compliance

License

GPL-3.0

Verified signals

HTTPSOpen SourceFree tierGitHub · ★ 5Active maintenanceMulti-languageStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed2 Jul · 16:10 UTC
CalSync verified against its public source
Source: PulseGate · Open

Frequently asked questions about CalSync

What is CalSync?: CalSync automatically synchronizes events between multiple local calendars on an Android device. It is catalogued under Calendar & scheduling on PulseGate.
Who should use CalSync?: CalSync is an open-source project built for android users managing multiple calendars.
Is CalSync free?: Yes — CalSync is open source under the GPL-3.0 license and free to use.
What platforms does CalSync run on?: CalSync runs on the web and Android.
Is CalSync still active?: The GitHub repository shows 121 commits in the last 90 days.
What are alternatives to CalSync?: Similar projects tracked by PulseGate include CalSync, Sync2Cal, and KashCal.CalSync Sync2Cal KashCal
Who makes CalSync?: CalSync is developed by Henrique Couto.
When did CalSync launch?: CalSync first shipped in 2026.

At a glance

Pricing: Open Source
Platforms: Mobile · Web
Open source: Yes · ★ 5
License: GPL-3.0
First seen: 2 Jul 2026
Built for: Android users managing multiple calendars
Model: Open source
Solves: CalSync automatically synchronizes events between multiple local calendars on an Android device.

Registered as

GitHub: henriquecouto/calendar-sync
Google Play: dev.henriquecouto.calsync

Developer

Henrique Couto

Small team

GitHub

Open source

View on GitHub

Stars: 5
Forks: 0
Open issues: 1
Last commit: 1 Jul 2026
Commits 90d: 121
Contributors: 2
Authorship: Small team
Default branch: main
Latest release: v1.8.0 · 1 Jul 2026

Index record

Identity confidence: High · 96.5
Indexed: 2 Jul 2026
Lifecycle: Alive
First seen: Jul 2026
Last seen: 2 Jul 2026

Identity audit (11)

Slug: calsync-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: 2 Jul 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
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/dev.henriquecouto.calsync

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