DAViCal VS Command-C

DAViCal is a server for calendar sharing.

Copy & Paste between iOS and Mac

Open Source
DAViCal is open source software, allowing users and organizations to inspect, modify, and distribute the code freely.
Support for CalDAV and CardDAV
DAViCal supports both CalDAV and CardDAV protocols, making it compatible with a wide range of calendar and contact applications.
Cross-Platform Compatibility
It can be deployed on various operating systems, including Linux, macOS, and Windows, providing flexibility in server environment choices.
Community Support
An active community provides support, documentation, and contributions to improve the software continuously.
Lightweight
DAViCal is relatively lightweight, providing essential CalDAV and CardDAV functionalities without excessive overhead.

Complex Setup
The initial setup and configuration can be complex, potentially requiring advanced technical knowledge, especially for large-scale deployment.
Limited Features
Compared to commercial solutions, DAViCal offers fewer features, which might not meet the needs of all organizations.
Dependent on External Database
DAViCal requires an external database like PostgreSQL, which can add complexity to the installation and maintenance.
User Interface
The web-based user interface is minimalistic and may feel outdated compared to modern applications.
Sparse Documentation
While there is documentation available, it may not be as comprehensive as needed for troubleshooting and advanced configurations.