Shareable Calendar for Scheduling
A shareable calendar for collaborative scheduling without registration or login.
Introduction
Shareable calendar for collaborative scheduling without registration or login.
What is Nittei-san?
Nittei-san is a shareable calendar tool designed for collaborative scheduling. It lets users easily coordinate meeting times and events without registering, logging in, or downloading anything. Calendar links can be shared globally, and users can enter their availability directly on the shared calendar. After logging in with Google, users can view their existing calendar events in Nittei-san.
How do you use Nittei-san?
The organizer creates a new calendar, enters potential time slots, and shares the link with participants. Participants select their names and enter their preferred dates and times. Once everyone has entered their availability, the organizer receives a notification.
Nittei-san's core features
Shareable calendar
Collaborative scheduling
Google Calendar integration
Real-time sync
Collaborative scheduling
Google Calendar integration
Real-time sync
Visits：14
Updated：2026-11-07
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