DAViCal

DAViCal is a robust, enterprise-ready CalDAV server that leverages PostgreSQL as its data store to provide reliable calendar sharing and management. Built with PHP and designed for organizations, it offers advanced features, scalability, and the reliability of PostgreSQL for mission-critical calendar operations.

Key Features

• Enterprise-Grade CalDAV Protocol:

  • Complete CalDAV protocol implementation
  • Standards-compliant calendar synchronization
  • Cross-platform compatibility with all major clients
  • Protocol extensions and advanced features
  • Reliable calendar data exchange
  • Industry-standard compliance

• PostgreSQL Database Foundation:

  • PostgreSQL backend for data reliability
  • ACID compliance for data integrity
  • Scalable storage architecture
  • Advanced query capabilities
  • Database-level security and backup
  • Enterprise-grade data management

• Advanced Calendar Management:

  • Multi-calendar support and organization
  • Sophisticated calendar sharing capabilities
  • Granular access control and permissions
  • Comprehensive event management
  • Recurring event support and handling
  • Calendar delegation and management

• Enterprise Features & Administration:

  • Comprehensive user management system
  • Group-based permissions and access control
  • Administrative web interface
  • Scalability for large organizations
  • Performance optimization and tuning
  • Enterprise-ready deployment options

• Security & Access Control:

  • Multiple authentication system support
  • Fine-grained access controls
  • Security features and protocols
  • User permission management
  • Data protection and privacy
  • Secure calendar sharing

• Universal Client Integration:

  • Desktop client compatibility (Thunderbird, Evolution)
  • Mobile device support (iOS, Android)
  • Web-based calendar interface
  • Third-party application integration
  • Standard CalDAV client support
  • Cross-platform synchronization

• Professional Deployment:

  • Enterprise deployment capabilities
  • High availability configurations
  • Performance monitoring and optimization
  • Backup and disaster recovery
  • Professional support options
  • Scalable architecture design

Technical Specifications

• Language: PHP
• License: GPL-2.0
• Deployment: Web server, PHP, deb package
• Platforms: Cross-platform (web-based)
• Requirements: PHP, PostgreSQL, web server
• Database: PostgreSQL (required)
• Architecture: PHP web application with PostgreSQL backend

Use Cases

• Enterprise Organizations: Large organizations requiring robust calendar sharing
• Educational Institutions: Schools and universities with complex scheduling needs
• Government Agencies: Government organizations with security requirements
• Healthcare Systems: Medical facilities with critical scheduling requirements
• Professional Services: Law firms, consulting companies with team coordination
• Non-Profit Organizations: NGOs and non-profits with collaborative scheduling

Unique Advantages

• PostgreSQL Reliability: Enterprise-grade database backend for data integrity
• Enterprise-Ready: Designed for large-scale organizational deployment
• Robust Architecture: Proven reliability for mission-critical calendar operations
• Advanced Features: Sophisticated calendar sharing and access control
• Scalable Design: Handles large numbers of users and calendars
• Open Source: Transparent, auditable, and customizable

Based on the DAViCal GitLab repository, this tool provides organizations with an enterprise-grade CalDAV server that excels in reliability, scalability, and advanced features, making it ideal for large organizations, educational institutions, and enterprises that require robust calendar sharing with PostgreSQL's reliability and advanced administrative capabilities.