Sites and apps similar to Zencal include Cal.com, which is open source and free for personal use. Other options are Calendly, MeetWithMe, Supercal and TimeTuna. Appointment Schedulers like Zencal are a crowded field, with more than 50 alternatives for self-hosting, iPhone, Android, Windows and Linux.
Tymeslot is a source-available, privacy-first meeting-scheduling platform built with Elixir and Phoenix LiveView. Self-host it on your own infrastructure or let us run it for you — either way, your data stays yours.
Estonia
EU
The easiest free online schedule builder. Drag-and-drop interface, instant PNG export. No signup needed. PDF & AI tools available for Pro users.
We have created Koalendar to eliminate the back-and-forth of scheduling meetings.
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.
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 appointment scheduling platform with a built-in AI assistant that handles scheduling via email, text, and chat — no booking links needed.
United States
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.
Free Gmail add-on lets you send a link so other people can choose a meeting time based on your availability. 100% integrated with your Google Calendar.
United States
