Curated list of the top 30 calendar integration tools that help small teams sync schedules, book meetings, and stay organized across multiple platforms.
Get targeted exposure with custom position pinning and highlighted placement.
Universal, cloud‑based calendar that integrates with Gmail, Google Meet, and hundreds of third‑party apps.
Enterprise‑grade calendar tightly integrated with Office 365, Teams, and Exchange.
Native iOS/macOS calendar with iCloud sync, Siri support, and seamless integration with Apple ecosystem apps.
Automated scheduling platform that syncs with Google, Outlook, Office 365, and iCloud calendars to eliminate back‑and‑forth emails.
Group polling tool for finding meeting times, with calendar sync and automatic event creation.
AI‑driven calendar optimizer that automatically creates focus blocks and resolves meeting conflicts.
Shared calendar for teams with color‑coded sub‑calendars, custom permissions, and embed options.
Feature‑rich macOS/iOS calendar with natural language input, task integration, and support for multiple accounts.
Part of Zoho Workplace, offering group calendars, resource booking, and integration with Zoho CRM and Projects.
Adds a calendar view to Trello boards, syncing due dates with Google Calendar or iCal.
Built‑in calendar view that reflects task due dates and integrates with Outlook and Google Calendar.
Database view that turns any Notion table into a calendar, with sync via third‑party tools like Zapier.
Calendar view for Airtable bases, with two‑way sync to Google Calendar via Airtable Automations.
Visual timeline and calendar view that pulls in tasks from any board and syncs with external calendars.
Unified calendar that aggregates tasks, reminders, and events across multiple ClickUp spaces.
Embedded meeting scheduler that syncs with Google and Office 365 calendars and creates contacts automatically.
Online appointment scheduling tool that integrates with Outlook Calendar and Teams.
Email productivity suite with calendar scheduling, meeting insights, and Gmail integration.
Smart routing and scheduling platform for sales teams, syncing with Google and Outlook calendars.
Self‑service booking page that syncs with Google or Outlook calendars and supports custom branding.
Online appointment manager with calendar sync, video meeting links, and staff scheduling.
Robust client‑facing scheduler with calendar sync, intake forms, and payment processing.
Appointment booking platform for service businesses, with calendar sync and automated reminders.
All‑in‑one booking system that syncs with Google and Outlook calendars and offers custom client portals.
Integrated scheduling and payment solution for small businesses, with calendar sync and POS integration.
Online booking software with two‑way calendar sync, automated reminders, and video conference integration.
Enterprise tier of Calendly offering round‑robin routing, team availability, and centralized reporting.
Simple shared calendar for small teams, with drag‑and‑drop event creation and Slack notifications.
Smart calendar with analytics and meeting prep, now integrated directly into Slack’s UI.
Scheduling tool that syncs with Zoho Calendar, CRM, and external calendars for seamless client booking.
Custom workflow builder that connects Calendly events to any calendar or project tool via Zapier.
Shift scheduling module that syncs with Outlook Calendar and provides team availability at a glance.
Free add‑on that pushes Asana task due dates into Google Calendar for real‑time visibility.