fullcalendar vs tui.calendar

FullCalendar is an open‑source JavaScript library that renders interactive calendars in the browser. It provides a rich set of features like drag‑and‑drop, resource scheduling, and multiple view modes, making it ideal for event‑driven applications. Designed for developers and designers, FullCalendar integrates easily with frameworks such as React, Vue, and Angular, and can be self‑hosted on any web server. Its extensible API and extensive documentation help teams build sophisticated scheduling interfaces quickly.

TOAST UI Calendar is a feature-rich, open-source JavaScript calendar library designed to help web developers easily integrate scheduling capabilities into their applications. It offers support for multiple view types, responsive design, and intuitive drag-and-drop interactions. Built with extensibility in mind, the library allows developers to customize styles, templates, and behaviors to match their specific project requirements. It is widely adopted for building robust front-end user interfaces requiring detailed calendar management.

• Highly customizable UI
• Free and open‑source
• Strong community and documentation
• Works with major JavaScript frameworks

• Completely free and open-source under the MIT license
• Intuitive drag-and-drop event creation and editing
• Comprehensive documentation and active community support
• Flexible styling and templating system

• Steeper learning curve for advanced features
• Large bundle size without tree‑shaking
• Limited built‑in analytics or reporting

• Requires JavaScript proficiency to fully customize and integrate
• Lacks native built-in synchronization with external services like Google Calendar out of the box
• Advanced styling overrides can sometimes require deep CSS modifications