Rainlendar vs Kontact : Which is Better?

Rainlendar

Rainlendar is a calendar program for Windows, Mac OS X and Linux. Developed by Rainlendar

License: Freemium

Categories: Backup & Sync Office & Productivity

Apps available for Mac OS X Windows Linux

Kontact

Kontact is a personal information manager and groupware software suite developed by KDE. It supports calendars, contacts, notes, to-do lists, news, and email. Developed by KDE

License: Open Source

Categories: News & Books Office & Productivity

Apps available for Windows Linux

Rainlendar VS Kontact Feature comparision

Feature	Rainlendar	Kontact
Customizable
Sync with Fantastical
Sync with Google Calendar
Multiple languages
Apps that Sync with Google Calendar
Syncs with various services
Contacts
Convert Email to Task
Feed Reader
Material design
Data export/import
IFTTT integration
Reminder for deadlines
Address book integration
Built-in Calendar
Calendar integration
Exchange
Automatic Backup
Built-in themes
Built-in translation
Category filters
Cloud sync
Sync Contacts
Bundled with macOS
CalDAV
CardDAV
Encrypted Email
Gantt-charts
Kanban boards
Work Item Tracking
Agile boards
Multiple Account support
Box.com integration
Built-in RSS reader
Command line
Command line interface
Support for IMAP
POP3 Support
Clean design
Automatic Duplicate Merge
Cloud based