Sites and apps similar to Callendo include Cal.com, which is open source and free for personal use. Other options are Calendly, Supercal, MeetWithMe and TimeTuna. Appointment Schedulers like Callendo are a crowded field, with more than 50 alternatives for self-hosting, iPhone, Android, Linux and iPad.
Access your calendar via access links without a login. For your calendar you get several access links for which you can set individual permissions (e.g. read or write).
Germany
EU
CalGet is a user-friendly, free tool designed to generate "Add to Calendar" links, facilitating seamless event integration across various platforms. It supports popular calendar services such as Google, Apple, Outlook, Yahoo, and Office365, ensuring broad compatibility.
Appointment scheduling/booking application that aims to be super-simple, and open source!
The easiest free online schedule builder. Drag-and-drop interface, instant PNG export. No signup needed. PDF & AI tools available for Pro users.
Croodle is a web application to schedule a date or to do a poll on a general topics. All data like title and description, number and labels of options and available answers and names of users are encrypted/decrypted in the browser using 256 bits AES.
We have created Koalendar to eliminate the back-and-forth of scheduling meetings.
Appointment scheduling and booking solution for consultants, coaches, and teams, offering unlimited free meetings, €1 flat fee per paid booking, integrated payments, Google Calendar sync, team and round-robin scheduling, automated reminders, and custom booking pages.
NetherlandsEU
Online scheduling assistant to coordinate meetings 10x faster with contacts inside and outside your company. Works with all calendars (Google, Office 365, Exchange, iCloud, Yahoo, etc). Works on web, smartphone, desktop, using voice, chat, and email.
United States
Calendarscope is a full-featured calendar software for planning, managing, and scheduling appointments, meetings, birthdays, vacations, special events. It allows you to view all your events in a daily, weekly, monthly, or yearly overview.
Russia
Cogsworth is a HIPAA compliant appointment scheduling system & telemedicine platform which allows any business to set and manage customer bookings online.
