With this handy app you can add reminders, to-dos, events, alarms, subscribe to public Google and iCloud calendars, change skins and opacity, and more. You can opt to display three different ...

In my opinion, Free Countdown Timer is one of the best free appointment reminder software that you can use on a Windows 11/10 PC. It lets you set up multiple reminders with a custom sound.

With Apple's latest operating systems, iOS 18, iPadOS 18, and macOS Sequoia, It's now possible to create and manage Reminders directly from the built-in Calendar app.