1calendar

1calendar

1calendar is a free, open-source online calendar and scheduling application. It allows users to manage events, set reminders, share calendars with others, and integrate with third-party services. Key features include calendar views, drag and drop scheduling, RSVP tracking, and co
calendar scheduling events reminders sharing collaboration

1calendar: Free Online Calendar & Scheduling Tool

A free, open-source online calendar and scheduling application for managing events, setting reminders, sharing calendars, and integrating with third-party services.

What is 1calendar?

1calendar is an open-source web-based calendar and scheduling application. Developed as a free alternative to proprietary solutions like Google Calendar and Microsoft Outlook, 1calendar focuses on providing core calendaring functionality along with powerful collaboration features.

Some key capabilities and benefits of 1calendar include:

  • Multiple calendar views - Switch between month, week, day list views
  • Drag & drop scheduling - Visually drag events to reschedule them
  • Recurring events - Set up daily, weekly, monthly, or custom repeating events
  • Reminders - Get notifications of upcoming events via email or browser notifications
  • Contact/Group management - Create address books and group calendars to collaborate
  • Accessibility - Fully accessible and supportive of screen readers
  • Customization - Tweak event colors, styles, categories, and other preferences
  • Integration - Sync with local calendars like iOS, Android, Outlook, etc
  • Sharing - Share subset calendars with non-account users
  • Open source - Actively developed by community, transparent development

With its responsive design and focus on usability, 1calendar provides an intuitive calendar interface for scheduling events, tracking important dates, and collaborating with teams. Its open-source nature allows 1calendar to be customized to suit the needs of individuals, groups, and organizations.

1calendar Features

Features

  1. Calendar views
  2. Drag and drop scheduling
  3. RSVP tracking
  4. Collaboration tools
  5. Reminders
  6. Event management
  7. Third-party integrations

Pricing

  • Open Source

Pros

Free and open source

Easy to use interface

Good collaboration features

Integrates with other services

Available on web and mobile

Cons

Limited customization options

No offline access

Fewer advanced features than paid options

Official Links


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