OnceHub (ScheduleOnce) provides robust online scheduling, automated workflows, and integration with CRM & video conferencing tools. Below is a curated list of 20 alternative appointment‑scheduling platforms you can consider for your business.
Get targeted exposure with custom position pinning and highlighted placement.
User‑friendly scheduling tool with calendar sync, automated reminders, and integrations for Zoom, Salesforce, and more.
Full‑featured booking solution offering client self‑service, payment processing, and custom intake forms.
Group‑polling and appointment scheduling platform that simplifies finding common meeting times.
Free online booking system with staff calendars, SMS reminders, and integration with Instagram and Facebook.
Web‑based scheduler that syncs with Google & Outlook calendars and supports custom branding and payment links.
Automated appointment booking with real‑time availability, video‑conference links, and CRM integrations.
All‑in‑one booking system for service‑based businesses, featuring class scheduling, memberships, and marketing tools.
Appointment scheduling platform with two‑way calendar sync, automated reminders, and a built‑in video chat feature.
Integrated scheduling, payment processing, and client management for businesses already using Square.
Enterprise‑grade booking software with resource management, recurring appointments, and analytics.
Online booking platform with automated reminders, class scheduling, and a marketplace for service providers.
Salon‑ and spa‑focused scheduling system that includes POS, marketing, and client loyalty features.
Healthcare‑oriented appointment system offering patient intake forms, insurance verification, and telehealth links.
Booking platform for wellness, beauty, and fitness businesses with client management and automated reminders.
Part of Zoho suite; lets you create booking pages, sync with Zoho CRM, and embed calendars on websites.
Integrated with Microsoft 365, offering calendar sync, staff assignments, and Teams meeting links.
Free meeting scheduler that pulls from HubSpot CRM, enabling lead capture and automated follow‑ups.
Simple booking tool that syncs with Google or Outlook calendars and supports custom booking pages.
While Calendly is listed above, its native Zoom integration makes it a strong OnceHub alternative for virtual meetings.
Scheduling module within Freshworks suite, offering calendar sync, automated reminders, and CRM linkage.