Calendar Sync Tools

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Organize events with encrypted privacy, zero-knowledge and no tracking. Features include multi-device sync, multiple views, and offline support.

Google Tasks is a to-do list app that integrates with Gmail and Google Calendar.

Enjoy ease of scheduling with natural language event creation, sync with major platforms, visually appealing color-coded displays, and file attachment support.

Integrated with Notion, this standalone calendar syncs with Google Calendar, offers scheduling, multiple time zone support, and manages events efficiently.

An app and website to simply remember things.

Designed for families, couples, friends, and groups, this app offers end-to-end encryption, sharing calendars, event syncing, and private calendar chats.

Doodle is the worlds leading online scheduling tool with a rapidly growing user base of more than three million unique visitors per month across the globe. It takes the pain out of finding the right date and time for a group of people to meet and makes scheduling virtually...

Consolidates calendars, to-dos, apps, and schedulers for streamlined time management, reducing wasted time by centralizing tasks and meetings.

The mail service which respects you.

Infomaniak Sync enables you to synchronise your contacts and calendars between Infomaniak's WorkSpace and your Android devices.

fruux is a free service that takes care of your contacts, calendars and more so you don't have to. Never manually copy contacts and calenders between your devices again!

Merkuro is a calendar and contact application that allows you to manage your tasks, events and contacts. Merkuro supports both local calendars as well as a multitude of online calendars: Nextcloud, Google® Calendar, Outlook®, Caldav, and many more.

Quickly see your daily routine and manage calendar items all in one place. Visualize free time without losing sight of important events. No sign up, no tracking, no ads.

Crab Fit helps you fit your event around everyone's schedules. Simply create an event above and send the link to everyone that is participating. Results update live and you will be able to see a heat-map of when everyone is free.

Email a personal AI assistant to schedule meetings, sync up to 6 calendars, customize booking links, set availability, auto-send invites, and reduce no-shows.

CalDAV and CardDAV server for calendar and contact data based on PHP, SQLite/MySQL, and SabreDAV

HEY Calendar is a digital scheduling tool designed with a unique approach to managing time and tasks. It offers a feature that allows users to rename days according to their significance, such as designating a day as 'Travel day', 'Anniversary', or 'No work...

Comprehensive CalDAV and CardDAV server enabling local or remote calendar and contact access with configurable authentication.

Ulti-Planner is a new modern calendar app with best-in-class features. We have spent years perfecting our new flagship product with speed, power, and flexibility. Features include full year, month, timeline day, week, and agenda list views to display your events and reminders...

BusyCal is the most powerful, flexible, heavily customizable, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services including Reminders, iCloud, Google, Exchange, Office 365, Yahoo, Fastmail, Fruux, Kerio, Zoom...

Day Peek helps you stay on top of your schedule. It displays a clock with your upcoming events in a colorful, floating widget that gradually fades in as the event approaches.

View all your Google, Outlook, iCloud, and Office365 calendars in one place. Manage events, birthdays, and appointments with seamless integration.

Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source.

Arcush is a minimalistic daily planner app that can help you build a balanced schedule, plan smarter, and get more productive.