Side by side
Everest 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 APIWeb
Everest brings calendar views, time blocking, and assisted meeting scheduling into one web service. The free plan is limited to three booked meetings per month, while Assistant removes stated booking and integration caps.
Visit Everest 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
| Everest | Merkuro Calendar (formerly Kalendar) | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Web | Linux, Windows |
| Lowest paid plan | Everest Assistant: $20 a month | Free or on request |
| Plans published | 3 | 1 |
| Maker | Everest | Not published |
| Website | everest.ag | apps.kde.org |
| On calendar apps | #88 of 194 | #84 of 194 |
Everest: what it does well
- Two-way calendar sync
- Multiple calendar views
- Schedules by email coordination
- Google and Microsoft/Outlook integrations
- Free plan available
What to know first
- Free plan allows three meetings monthly
- Web platform only
- Assistant billed annually
- Telegram scheduling requires Assistant
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 Everest Alternatives to Merkuro Calendar (formerly Kalendar) The whole list