The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Windows
- Android
- iPhone




The best Task Management alternative to Lightning Calendar is EssentialPIM, which is free. If that doesn't suit you, our users have ranked more than 50 alternatives to Lightning Calendar and nine of them are Task Management Tools so hopefully you can find a suitable replacement. Other interesting Task Management Tool alternatives to Lightning Calendar are Morgen, BusyCal, BORG Calendar and CCalendar.
The powerful, full-featured Personal Information Manager for Windows offering Email, Synchronization, Portability, Network support, Android and iOS versions.




Brings together calendars, to-dos, productivity apps, and schedulers in one platform. Integrates with major services like Google Calendar, iCloud, Todoist, and video conferencing tools such as Zoom. Offers native scheduling similar to Calendly, enhancing time management efficiency.




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...




BORG is a combination calendar and task tracking system. The calendar supports all sorts of appointments and also a simple todo list. The calendar functionality is similar to that of other PIMs, such as Microsoft Outlook, Mozilla Calendar, Palm Desktop, Yahoo Calendar, etc...



CCalendar, formerly Moo Calendar, is a free Windows calendar software supports Google Calendar and Yahoo! calendar. It is featured with multiple calendars support, easy agenda generating and printing, handy TO-DO list and integrated weather forecast.




Butleroy finds time for you and your friends. It is an automatic calendar planner app that integrates with existing calendars. It also helps you to manage your to-dos and schedules tasks when you actually have time.




Osmo is a handy personal organizer, which includes calendar, tasks manager, address book and notes modules. It was designed to be a small, easy to use and good looking PIM tool to help to manage personal information.




Dont stress anymore about remembering appointments and keeping track of your busy schedule, let Handy Calendar do it for you. Handy Calendar allows you to view your events by month, week, day, or task. Other features include task priority and an easy to use interface.


Orage is a new modern calendar application for the Xfce Desktop Environment. Orage has been designed from the start to be quick and easy-to-use. Its user interface is clean and intuitive, and does not include any confusing or useless options.

