Apps similar to Slapss include DeskMinder. It's paid, but MeetingBar and Meeter are free. Other options are In Your Face, Dato, Bonk and Meeting On Time. In total there are eight Calendar Apps like Slapss for Mac and Windows.
Create instant desktop pop-up reminders with one click, featuring full-screen alerts, Apple Reminders sync for iOS devices, widget flexibility, light or dark themes, and customizable placement—no complex calendars, ideal for urgent tasks and attention support.
Ukraine
An app that makes it impossible to miss a meeting by displaying a full-screen alert when it is time to join.
Italy
EU
Easily join your upcoming meetings (Zoom, Teams, Hangout etc) and call your contacts from the menu bar.
Never miss a meeting again. Bonk warns you right before a meeting with a full-screen alert you can't miss — join, snooze or ignore in one click. Or keep it subtle with a pill at the top of your screen. You decide, per meeting.
NetherlandsEU
Never be late to meeting again! Meeting On Time is a powerful full-screen Outlook meeting reminder that ensures you attend meetings on time. Join meetings promptly with clear and prominent reminders.
Soluna lives in your menu bar and opens a compact popover that pairs the Gregorian and Hijri (Umm al-Qura) calendars in one grid, so the two date systems are always visible at a glance. Below the grid it shows the five daily prayer times for your location, a row of world clocks...
Norway
