Cirrus Insight is a sales‑productivity platform that adds email tracking, meeting scheduling, and CRM integration to Gmail and Outlook. Below is a curated list of free (or freemium) scheduling tools that can replace its meeting‑booking features without cost.
Get targeted exposure with custom position pinning and highlighted placement.
Popular online scheduler with a robust free tier – unlimited one‑to‑one events, automatic timezone detection, and calendar integrations.
Simple poll‑based scheduling for group meetings; free plan includes unlimited polls and basic calendar sync.
Built‑in appointment scheduling for Google Workspace users; share a link and let invitees pick slots directly on your calendar.
Free with Microsoft 365 Business plans; provides a public booking page, calendar sync, and automated reminders.
Part of HubSpot’s free CRM; creates a personalized booking page that syncs with Google or Outlook calendars.
Free plan supports up to 50 bookings per month, custom booking page, and email notifications.
Free tier offers unlimited appointments, a public booking page, and integrations with Zoom and Stripe.
Free plan includes 100 appointments per month, two staff members, and automated SMS/email reminders.
Free version provides unlimited one‑to‑one meetings, calendar sync, and a customizable booking page.
Free for individual users; includes online booking, calendar sync, and payment processing via Square.
Free tier for a single staff member; integrates with Zoho CRM, Google Calendar, and Zoom.
Free plan supports unlimited bookings, custom branding, and two calendar integrations.
Free version offers unlimited bookings, a public scheduling page, and automated email confirmations.
Completely free online appointment scheduler with unlimited users, services, and integrations.
Free personal plan includes unlimited one‑to‑one meetings, calendar sync, and a simple booking link.
Open‑source scheduling platform you can self‑host for free; modern UI, calendar sync, and custom branding.
Free, open‑source appointment manager; self‑hosted, supports multiple services, staff, and Google Calendar sync.
Open‑source PHP scheduling system; offers a clean booking interface, admin panel, and email notifications.
Free tier includes unlimited meetings, video‑call integration, and automatic time‑zone conversion.
Free personal plan with unlimited one‑to‑one appointments, calendar sync, and a simple shareable link.