Side by side
Kronolith vs OneCalendar
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 AndroidiPhoneLinux+2
Kronolith provides shared scheduling with standards support, permissions, and several interfaces. Its free open-source model and self-hosted options appeal to users comfortable managing the surrounding Horde environment.
Visit Kronolith Free plan AndroidiPhoneMac+1
OneCalendar combines broad provider support with offline management, sharing, recurring events, and several calendar views. Its free plan covers core calendar work, while appearance, search, synchronization, and longer history are assigned to Premium.
Visit OneCalendarThe facts
| Kronolith | OneCalendar | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Linux, Self-hosted, Web | Android, iPhone, Mac, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 2 |
| Maker | Not published | OneCalendar |
| Website | horde.org | onecalendar.nl |
| On calendar apps | #39 of 194 | #35 of 194 |
Kronolith: what it does well
- Multiple calendars with read, edit, or full permissions
- Overlay views combine calendars
- Supports CalDAV and iCalendar/iTip invitations
- Imports and exports iCalendar and CSV
- Free, OSI Certified Open Source Software
What to know first
- Installation instructions are provided in distribution documentation
- Calendar backends are SQL or Kolab
- Support is directed to FAQs and mailing lists
OneCalendar: what it does well
- Supports many calendar providers
- Works offline for appointment management
- Offers multiple calendar views
- Includes appointment sharing
- Available on four platforms
What to know first
- Premium limits history to six months on usual plan
- Premium features have no listed price
- Some premium features are Windows 10/11 only
Alternatives to Kronolith Alternatives to OneCalendar The whole list