posted in: Office, Organizers, Software | 0
CoreTime logo

CoreTime is a free and open source very simple clock/calendar application that supports alarm clock, reminders, has a stopwatch and timer


  • On the “Now” tab, it shows the current time and date, as well as reminders for a specific day;
  • When creating an alarm clock, you can: set the time, add text, repeat by day of the week, set a custom sound;
  • When creating a reminder, you can: set a date, add text, repeat by day/month/year/a certain day of the week, set the time, set a custom sound;
  • There is a stopwatch and a timer.

Screenshots Software


The software CoreTime is available for installation on Linux.

Installation methodOS
DebUbuntu* 16.04/18.04/19.04/20.04, Linux Mint 18/19, Debian
FlatpakUbuntu, Linux Mint, Debian, Arch Linux, Fedora, CentOS, KDE Neon, openSUSE, elementary OS, Manjaro, Red Hat Enterprise Linux
AppImageUbuntu, Fedora, openSUSE, CentOS, elementaryOS, Linux Mint and others

*Ubuntu (GNOME), Kubuntu (KDE), Xubuntu (XFCE), Lubuntu (LXDE)

Install Software via Deb package

Install Software via Flatpak package

flatpak install flathub org.cubocore.CoreTime

Install Software via AppImage package

Software Information

Language Interface:English
Description version:4.2.0
Developer:CuboCore Group
Programming language:Qt
License:GPL v3

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