RMP3 is described as 'Remind-Me-Please is a freeware reminder program which will give you advance warning of upcoming events, appointments, TV programs, movies, birthdays and so on. Enter one-off or repeating events: daily, weekly, monthly, yearly and specials like 'Every two weeks from' and is an app. There are six alternatives to RMP3 for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best RMP3 alternative is KOrganizer, which is both free and Open Source. Other great apps like RMP3 are GNOME Calendar, CalenGoo, GMinder and Ominder.
It provides management of events and tasks, alarm notification, web export, network transparent handling of data, group scheduling, import and export of calendar files and more. It is able to work together with a wide variety of calendaring services, including NextCloud, Kolab...
Germany
EU
GNOME Calendar is a simple and beautiful calendar application designed to perfectly fit the GNOME desktop. By reusing the components which the GNOME desktop is build on, Calendar nicely integrates with the GNOME ecosystem.
United States
CalenGoo gives you a fast and easy way to access and change your Google Calendar (or Google Apps Calendar) with your Android device. It can either work with the built-in calendar or it can sync directly with Google.
Keep track of all your Events with free SMS and Email notifications. Store and organize your Events and To-do on Ominder and never forget them again. Events include weather forecast for better planning.
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.
