posted in: Office, Organizers, Software | 0
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Osmo is a handy personal organizer that includes calendar, task manager and address book modules. Free and open source program



  • Compact interface;
  • Configurable GUI layout;
  • Encrypted private data backup.


  • Day notes with text attributes (italic, bold, underline, etc.);
  • Date calculator;
  • Built-in full year calendar;
  • Compact mode;
  • Auxiliary calendars for next and previous month;
  • Basic iCalendar support (import/export);
  • Integration with Tasks and Contacts modules.


  • Additional settings: Reminder and repeat;
  • Alarm actions per task (commands, sounds, etc.);
  • Tasks list printing;
  • Quick search;
  • Category filter;
  • Due date modification on the fly;
  • Basic iCalendar support (export);
  • Date dependent task coloring.


  • Robust search functionality;
  • Birthdays browser;
  • Addresses location on the map;
  • Basic import/export filters (csv, xhtml).


  • Handy notes selector;
  • Category filter;
  • Quick search;
  • Optional encryption using user-defined password;
  • Text attributes (italic, bold, underline, etc.).

Screenshots Software


The software Osmo is available for installation on Linux.

Installation methodOS
FlatpakUbuntu, Linux Mint, Debian, Arch Linux, Fedora, CentOS, KDE Neon, openSUSE, elementary OS, Manjaro, Red Hat Enterprise Linux

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

Install Software via Flatpak package

flatpak install flathub net.sourceforge.osmo

Software Information

Language Interface:English
Description version:0.4.4
Developer:Tomasz Mąka, Piotr Mąka
Programming language:C
License:GPL v2
Software website:osmo-pim.sourceforge.ne

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