Kalendar Alternatives & Competitors

Spend less time managing your day & more time enjoying it.

Key Google Calendar features:

Cross-Platform Accessibility Integration with Other Google Services Collaborative Features Event Notifications

A simple calendar with events (optional recurring and reminders), week numbers and a customizable...

Key Simple Calendar features:

Open Source Privacy-Focused Ad-Free Experience Offline Functionality

Open Source

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.

Key ForthWrite features:

Voice Matching Auto-draft replies Batch-drafting Works in browser

Try for free freemium $12.0 / Monthly (Standard plan)

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Key Microsoft Outlook features:

Integration with Microsoft Ecosystem Calendar and Task Management Strong Security Features Customizable Interface

Calendar is a personal calendar app made by Apple Inc. that runs on both the macOS desktop operating system and the iOS mobile operating system.

Key Apple Calendar features:

Integration with Apple Ecosystem User-Friendly Interface Native macOS Application Siri Integration

Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.

Key Fantastical 2 features:

User Interface Natural Language Parsing Integrations Reminders

All-in-one Calendar, Tasks & Scheduler. Morgen is the single hub for everything that revolves around time management.

Key Morgen.so features:

User-Friendly Interface Cross-Platform Support Integration with Popular Tools Time Blocking Feature

Rainlendar - Customizable desktop calendar.

Key Rainlendar features:

Customizable Cross-Platform Lightweight Multiple Calendar Support

Material design open source calendar for Android.

Key Etar features:

Open Source Privacy-Friendly Customizable Ad-Free

Itsycal for Mac. Itsycal is a tiny menu bar calendar. If you want, it will display your events as a companion to the Mac Calendar app. You can also create and delete (but not edit) events. Download Itsycal for macOS 10.

Key Itsycal features:

Lightweight Menubar Integration Free and Open Source Customization Options

Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.

Key Calendar Lock PEA features:

Cloud storage

Open Source free

GDPR-compliant calendar sync, hosted in Germany.

Key Kalender Sync features:

Calendar synchronization GDPR-compliant Real-time sync

freemium €4.0 / Monthly (5 syncs)

AI email assistant that books meetings by checking your real-time availability across all connected calendars. Just CC it in any email thread.

Key CalendarBridge features:

Multiple Calendar Sync Cross-platform Compatibility Real-time Updates Avoids Double Booking

Sync Outlook and Google Calendars in real-time, share booking links, and view all your calendars in one view.

Key OneCal.io features:

Outlook and Google Calendar Sync Booking Links Flexible and Fully Configurable Calendar View

paid Free Trial $5.0 / Monthly (Starter)