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description Diosoft Calendar Overview

Diosoft Calendar is a fully open-source web-based calendar application designed for both personal and group scheduling. It offers a clean and intuitive interface with features like recurring events, appointment reminders, and group calendars. Users can easily share calendars and manage availability. It supports iCalendar (iCal) import/export for seamless integration with other calendar systems.

Diosoft Calendar is particularly beneficial for small teams and organizations needing a simple, collaborative scheduling solution without the complexity of larger platforms.

recommend Best for: Individuals and small teams seeking a free, customizable scheduling tool with solid group collaboration features without vendor lock-in.

info Diosoft Calendar Specifications

balance Diosoft Calendar Pros & Cons

thumb_up Pros
  • check Fully open-source with transparent codebase for security auditing and customization
  • check Clean and intuitive web interface requiring minimal learning curve
  • check Robust recurring events functionality supporting complex scheduling patterns
  • check Built-in appointment reminders to reduce no-shows and improve productivity
  • check Native group calendar support enabling easy collaboration and availability sharing
  • check Cross-platform accessibility through any modern web browser without installation
thumb_down Cons
  • close Open-source nature means limited official customer support channels
  • close No native mobile applications for iOS or Android users
  • close May require self-hosting expertise for enterprise deployments
  • close Lacks advanced enterprise features like SSO, advanced permissions, and audit logs
  • close Third-party integration ecosystem is smaller than commercial alternatives

help Diosoft Calendar FAQ

Is Diosoft Calendar completely free to use?

Yes, Diosoft Calendar is fully open-source and free to use. You can self-host it or use any hosted version. While the core software is free, you may incur costs for hosting, domain registration, or premium support services if needed.

How does Diosoft Calendar handle group scheduling and availability?

Diosoft Calendar provides dedicated group calendars where team members can view shared schedules, check availability, and coordinate meetings. Users can invite participants to events and view overlapping free/busy times across multiple calendars.

Can I import events from Google Calendar or Outlook into Diosoft Calendar?

Diosoft Calendar supports standard calendar formats like iCal (.ics) for importing and exporting events. You can manually import events from Google Calendar, Outlook, and other calendar applications by downloading and uploading the .ics files.

Does Diosoft Calendar offer API access for developers?

As an open-source project, Diosoft Calendar typically includes REST API endpoints for integration purposes. Developers can access the API documentation on the project's GitHub repository to build custom integrations and automate workflows.

What is Diosoft Calendar?
Diosoft Calendar is a fully open-source web-based calendar application designed for both personal and group scheduling. It offers a clean and intuitive interface with features like recurring events, appointment reminders, and group calendars. Users can easily share calendars and manage availability. It supports iCalendar (iCal) import/export for seamless integration with other calendar systems. Diosoft Calendar is particularly beneficial for small teams and organizations needing a simple, collaborative scheduling solution without the complexity of larger platforms.
How good is Diosoft Calendar?
Diosoft Calendar scores 9.1/10 (Excellent) on Lunoo, making it one of the highest-rated options in the SAAS category. Diosoft Calendar scores 9.1/10 due to its exceptional open-source nature providing complete transparency and customization potential, combined with a...
How much does Diosoft Calendar cost?
Free Plan. Visit the official website for the most up-to-date pricing.
What are the best alternatives to Diosoft Calendar?
See our alternatives page for Diosoft Calendar for a ranked list with scores. Top alternatives include: Curve Dental, Amperity, CareZone.
What is Diosoft Calendar best for?

Individuals and small teams seeking a free, customizable scheduling tool with solid group collaboration features without vendor lock-in.

How does Diosoft Calendar compare to Curve Dental?
See our detailed comparison of Diosoft Calendar vs Curve Dental with scores, features, and an AI-powered verdict.
Is Diosoft Calendar worth it in 2026?
With a score of 9.1/10, Diosoft Calendar is highly rated in SAAS. See all SAAS ranked.
What are the key specifications of Diosoft Calendar?
  • License: Open-source (specify exact license)
  • Updates: Community-driven development
  • Data Format: iCal (.ics) import/export
  • Target Users: Individuals, Teams, Small organizations
  • Access Method: Browser-based (Chrome, Firefox, Safari, Edge)
  • Core Features: Recurring events, Appointment reminders, Group calendars, Calendar sharing, Availability management

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