Boomerang for Gmail is popular for email scheduling and follow‑ups, but many teams also need a dedicated appointment‑booking tool that integrates with Gmail. Below are 20 free‑tier appointment‑scheduling platforms that can replace Boomerang’s scheduling features while offering calendar sync, meeting links, and automated reminders.
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Simple, link‑based scheduler that syncs with Google Calendar and lets invitees pick a time in your available slots.
Poll‑based meeting planner that finds the best time for groups; free version supports basic scheduling and calendar sync.
Native Google Calendar feature that creates shareable booking slots; integrates directly with Gmail.
Free meeting tool that pulls from your Google Calendar and generates a personalized booking link.
Online booking system with a free plan for up to 50 bookings per month, includes email confirmations.
Free appointment software with unlimited bookings, calendar sync, and video meeting integrations.
Web‑based scheduler that integrates with Google Calendar and offers a free tier for unlimited meetings.
Free plan supports up to 100 appointments per month, automated reminders, and two-way calendar sync.
Free for individuals; includes online booking, calendar sync, and payment processing.
Free tier provides unlimited bookings, Google Calendar integration, and automated email reminders.
Simple scheduler with a free plan that syncs with Google Calendar and generates shareable booking links.
Free meeting scheduler that integrates with Gmail, offers calendar sync and one‑click meeting links.
Free for unlimited meetings; lets participants choose times, integrates with Google Calendar, and sends email confirmations.
Free poll‑based scheduling tool ideal for group decisions; integrates with Google Calendar for final selections.
No‑login, free availability matrix that helps groups find common times; can export to Google Calendar.
Free plan includes basic online booking, Google Calendar sync, and email notifications.
Free tier for up to 100 appointments per month, with calendar sync and automated reminders.
Free version (Acuity Lite) offers basic booking, Google Calendar integration, and email confirmations.
Free plan supports unlimited bookings, Google Calendar sync, and custom email notifications.
Re‑listed for emphasis: the free tier includes one event type, calendar sync, and automated email reminders.