Alternatives to KeepTime for all platforms with any license

Google Calendar

With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule...

Free Web Android iPhone Chrome OS Android Tablet ... iPad Sunbird Chrome
Material design Calendar integration Data export/import IFTTT integration ... Reminder for deadlines Shared calendars Sync across Devices Add a feature

872 Like
Lightning Calendar

Organize your schedule and events in a calendar fully integrated with Thunderbird or Seamonkey email. .

Free Open Source Mac Windows Linux Thunderbird SeaMonkey
CardDAV CalDAV Task Management Add a feature

172 Like
Apple Calendar

Keep track of your busy schedule and share it with others using Calendar. Create separate calendars — one for home, another for school, a third for work, and so on. See...

Free Mac iPhone iPad iCloud
Sync with iCloud Week Planner Add a feature

132 Like
Rainlendar

Rainlendar is a feature rich calendar application that is easy to use and doesn't take much space on your desktop. The application is platform independent so you can...

Freemium Mac Windows Linux
Customizable Sync with Fantastical Apps that Sync with Google Calendar Multiple languages ... Syncs with various services Add a feature

103 Like
Etar

Why? I wanted a simple, material design, state of the art open source calendar that anyone can improve on. Features: - Month view. - Week, day & agenda...

Free Open Source Android Android Tablet
GPS Location Tracking Add a feature

31 Like
Simple Calendar

A simple calendar with optional CalDAV synchronization. You can easily create recurring events and setup reminders, it can also display week numbers. Contains a...

Commercial $ $ $ Open Source Android Android Tablet
Built-in Calendar Customizable Notifications Support for WebDAV Add a feature

23 Like
Calendly

Calendly can connect with up to six of your calendars to automatically check availability and help you connect with your best contacts, prospects and clients. How it...

Freemium $ $ $ Web iPhone
Booking calendar Time Scheduling Add a feature

18 Like
Kolab Community

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Freemium Open Source Linux Web Self-Hosted
CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature

37 Like
fruux

Free service that takes care of your contacts, calendars and more so you don't have to. .

Freemium $ $ $ Mac Windows Linux Web Android ... iPhone Blackberry Windows Phone iPad Blackberry 10 Sailfish OS
CardDAV Backup CalDAV CalDAV Server ... Sync Contacts Contacts Calendar Sync Team Collaboration Add a feature

22 Like
VueMinder Calendar

Take control of your schedule and get reminded wherever and however you want. Instantly access your appointments, tasks, and notes with a simple glance at a transparent...

Freemium Windows
Apps that Sync with Google Calendar Portable Reminders Add a feature

18 Like
Kontact

Kontact is the integrated Personal Information Manager of KDE. Kontact suite unites mature and proven KDE PIM applications under one roof. Thanks to the powerful...

Free Open Source Windows Linux
Contacts Convert Email to Task Feed Reader Add a feature

27 Like
MineTime

MineTime is a free, modern and multi-platform calendar application. It connects to several calendar providers (including Google Calendar, Microsoft Exchange and...

Free Mac Windows Linux
Artificial intelligence Calendar integration Exchange Google Calendar integration ... Apps that Sync with Google Calendar Scheduling Calendar Sync Add a feature

9 Like
BusyCal

BusyCal is the most powerful, flexible, reliable calendar app for macOS. It's packed with time-saving features and compatible with all leading cloud services...

Commercial $ $ $ Mac
Group calendar filters Add a feature

17 Like
Business Calendar

Business Calendar for Android is a complete calendar application that synchronises with your Google calendars. Main Features: - smooth scroll and zoomable multi-day...

Freemium Android Android Tablet
No features added Add a feature

19 Like
aCalendar

Android calendar-app showing the weeks of the year (week numbers), 21 languages, syncable with Google Calendar: FEATURES * intuitive navigation with smooth...

Freemium $ $ $ Android
Apps that Sync with Google Calendar Multiple languages Recurring tasks Calendar Sync Add a feature

13 Like