Alternatives to HipCal 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
Microsoft Office Outlook

Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.

Freemium $ $ $ Mac Windows Web Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear
Built-in Calendar Box.com integration Calendar integration Contacts ... Dropbox integration Email scheduling Exchange Integration Flight Status Gmail integration ICloud Integration Integrated Search Multiple Account support Night mode/Dark Theme Office 365 integration Onedrive integration Organize mails Shared calendars Signature with image Smart attachments Unified inbox Yahoo Integration Add a feature

343 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
iRedMail

A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64...

Freemium Open Source Linux BSD Self-Hosted
Email Server Add a feature

19 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
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
Cozi

Cozi is a free online calendar that helps families coordinate activities. See who needs to be where and when, be reminded of upcoming appointments, and print your...

Free Web Android iPhone Blackberry Android Tablet ... Windows Phone iPad Kindle Fire
Family Calendar To-Do management Add a feature

9 Like
CalenGoo

CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device.

Commercial Android iPhone Android Tablet iPad Android Wear
Apps that Sync with Google Calendar Add a feature

7 Like
UKs Kalender

This program helps you organizing your dates and tasks and reminds you of upcoming events.

Free Windows
Planner Add a feature

10 Like
GMinder

GMinder is a reminder program that waits in your system tray and alerts you when you have an upcoming Google Calendar event. GMinder supports multiple calendars and...

Free Open Source Windows
Apps that Sync with Google Calendar Calendar Sync Add a feature

8 Like
30 Boxes

30 Boxes is an online calendering tool.

Free Web
No features added Add a feature

9 Like
Calendar

Calendar, part of Office Online , is a time-management web application by Microsoft. With Calendar, you can track appointments...

Free Web
Shared calendars Add a feature

13 Like
qOrganizer

qOrganizer is a general organizer that includes a calendar with schedule,reminders,journal/notes for every day, to-do list. But provides features useful for students...
- Discontinued The project is no longer developed. Last version, 3.1.5, released in August 2010, can be still downloaded from SourceForge.
Free Open Source Windows Linux BSD
Portable Add a feature

3 Like