Top 20 Alternatives to Orbit AI in Free Appointment Scheduling Software

Simple, link‑based scheduler with automatic timezone conversion and calendar sync for up to 1 event type.

Allows unlimited appointments, staff logins, and integrates with Zoom, Facebook, and Instagram.

Offers 100 appointments per month, two staff members, and automated SMS/email reminders.

Provides a booking website, up to 50 bookings per month, and basic customisation options.

All‑in‑one solution for solo professionals with payment processing, calendar sync, and client reminders.

Group poll‑style scheduling that finds the best time for meetings and appointments.

Integrated with Outlook and Teams; lets customers self‑book via a web page.

Connects with Zoho Calendar and CRM; supports unlimited staff and basic branding.

Web‑based scheduler with unlimited bookings, Zoom integration, and custom booking pages.

Provides a public booking page, calendar sync, and automated email confirmations.

Allows up to 100 appointments per month, integrates with Google Calendar, and sends SMS reminders.

Self‑hosted PHP application with customizable booking forms, Google Calendar sync, and multi‑service support.

Feature‑rich, self‑hosted scheduler supporting resources, recurring bookings, and email notifications.

Simple online booking widget with unlimited appointments and Google Calendar integration.

Collaborative calendar that lets clients view availability and book slots directly.

Customizable booking system with unlimited users, Google Calendar sync, and webhook support.

Offers a basic online booking page, staff calendars, and email reminders for small teams.

While not permanently free, Acuity provides a 14‑day trial with full features for quick short‑term needs.

Syncs with Google or Outlook calendars, offers a branded booking page, and sends automated reminders.

Embedded within Google Workspace; lets users create appointment slots directly from Google Calendar.