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 run it on all major operating systems: Windows, Linux and Mac OS X.



Velprium is described as 'Digital bullet journal built on top of your Google Calendar. Keep your calendar exactly as it is Velprium adds status, tags, and ratings to your events, lets you see the same day through Plan / Act / Review lenses, and turns your history into weekly & monthly' and is a Calendar app in the office & productivity category. There are more than 50 alternatives to Velprium, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and Mac apps. The best Velprium alternative is Google Calendar. It's not free, so if you're looking for a free alternative, you could try Google Calendar or Proton Calendar. Other great sites and apps similar to Velprium are Tuta Calendar, Etar, Fantastical and Nextcloud Calendar.
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 run it on all major operating systems: Windows, Linux and Mac OS X.



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.




Create and sort tasks using colors, icons, subtasks, and photos. Set reminders, use recurring schedules, and sync with iCloud across iPhone, iPad, and Mac. Share any list in real time via iCloud, collaborate without accounts, and access Calendar view or widgets.




This app is tailored for families, couples, friends, and groups, providing end-to-end encryption for secure data, seamless calendar creation, syncing, private chats, and widgets for easy access, ensuring you never miss an event.




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.




This app helps you focus on managing your schedule with essential features.




Free online scheduling tool for groups showing collective availability through a shared link without requiring accounts, simplifying coordination for events, trips, or meetings and reducing messaging by letting all participants easily mark open dates.



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.





Kolab provides a FOSS communication & collaboration solution that can be completely self-hosted. Take back control of your data and access it via the webinterface, or existing mobile & desktop clients.
Amie is a productivity application that facilitates task, event, and contact management, integrating a scheduling feature for task and event time allocation, and effectively transforming the calendar into a todo list, with color-coding for improved organization and visual...



