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
- Calendar views
- Drag and drop scheduling
- RSVP tracking
- Collaboration tools
- Reminders
- Event management
- 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
The Best 1calendar Alternatives
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