Nittei-san

Scheduling a meeting with a group often turns into an endless back-and-forth of "what time works for you?" Nittei-san cuts through all of that with a shareable calendar tool designed for effortless collaborative scheduling — no account registration, no login, no app download required.

Simply create a calendar, share the URL with whoever you need to coordinate with, and let everyone mark their availability directly on the shared calendar. For those who want even more convenience, logging in with Google allows you to view your existing calendar events within Nittei-san, making it even easier to find the perfect time for everyone.