Side by side
KOrganizer vs Merkuro Calendar (formerly Kalendar)
Both stand on calendar apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Linux
Choose KOrganizer if you want a free Linux calendar with task lists, reminders, and calendar sharing. Its Kontact and KDE PIM integration may suit users working with those applications; look elsewhere if you need a platform beyond Linux.
Visit KOrganizer Free plan LinuxWindows
Merkuro Calendar combines multi-source calendars with structured task management in a free KDE application. Stable packages are available through listed Linux channels, while Windows nightly builds are intended for testing.
Visit Merkuro Calendar (formerly Kalendar)The facts
| KOrganizer | Merkuro Calendar (formerly Kalendar) | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux | Linux, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | apps.kde.org | apps.kde.org |
| On calendar apps | #53 of 198 | #85 of 198 |
KOrganizer: what it does well
- Supports multiple calendars and to-do lists.
- Invitations can be sent by email and responses processed.
- Works with NextCloud, Kolab, and Google Calendar.
- Supports vCalendar and iCalendar data formats.
- Free to use on Linux.
What to know first
- Available for Linux only.
- No free trial is offered.
Merkuro Calendar (formerly Kalendar): what it does well
- Supports Nextcloud, Google Calendar, Outlook, and CalDAV
- Month, week, and schedule event views
- Tasks include subtasks, tree view, and filters
- GPL-3.0-or-later licensed free software
- Linux and Windows availability
What to know first
- Nightly installers are labeled unstable
- Third-party distributors may alter privacy behavior
- No free trial is offered because it is free software
Alternatives to KOrganizer Alternatives to Merkuro Calendar (formerly Kalendar) The whole list