Best Calendar Software
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Compare the Top Calendar Software as of October 2026
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What is Calendar Software?
Calendar software helps individuals and organizations schedule, organize, and manage events, appointments, meetings, and tasks through digital calendars. These platforms provide tools for event creation, reminders, recurring schedules, availability management, and calendar sharing to improve time management and coordination. The software often includes features such as meeting scheduling, resource booking, notifications, synchronization across devices, and integrations with email, collaboration, and productivity applications. Many calendar solutions support team calendars, room reservations, workflow automation, and AI-powered scheduling assistance to streamline planning and collaboration. By centralizing scheduling and improving visibility into commitments, calendar software helps users increase productivity, reduce conflicts, and manage time more effectively. Compare and read user reviews of the best Calendar software currently available using the table below. This list is updated regularly.
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1
Proton Mail
Proton AG
Proton Mail is the simplest way to protect your communications with built-in end-to-end encryption. Prevent data breaches, stay compliant with regulations like GDPR and HIPAA, and earn client trust. Protected by Swiss privacy laws and trusted by over 50,000 businesses, Proton Mail keeps your business data confidential and under your control. With Proton Mail and Calendar, your team can securely manage their inbox and schedule, while your organization maintains a professional presence with support for custom email domains and personalized branding. And with the Easy Switch tool, migrating from Google or Microsoft is seamless, no IT expertise required.Starting Price: $6.99/user/month -
2
Google Workspace
Google
Google Calendar helps you stay organized by allowing you to schedule and manage events seamlessly across devices. Create and share calendars, set reminders, and invite participants with a few clicks. Integrated with Gmail, Calendar automatically adds events from your inbox and syncs with Google Meet for easy meeting scheduling. Whether coordinating with teams or managing personal appointments, Google Calendar makes it simple to stay on top of your schedule and collaborate effectively.Starting Price: $7/user/month -
3
Bordio
Bordio
Bordio is a comprehensive project management software that integrates team management software, task management tools, and a project planning calendar all in one platform. It brings together everything teams need to get their work done, from setting up projects with a project planner and organizing tasks on a kanban board, to collaborating with team members using a task board. The platform provides a clear view of what needs to be done each day with its online calendar, making overwhelming to-do lists a thing of the past. With features for scheduling tasks on specific days and keeping track of progress with color-coded statuses, Bordio keeps teams focused and acts as an effective project tracker and task tracker. You can invite guests like clients or freelancers into projects at no extra cost and work together seamlessly. The inclusion of a team task planner and team tracker ensures that every member’s efforts are synchronized and visible.Starting Price: $5.99 per user per month -
4
CalendarAnything
Silverline
A calendar is just the beginning. CalendarAnything gives you the power to zoom in on the details or take a step back for the big picture — all in one place. Whether you're coordinating marketing campaigns, planning epic events, optimizing resources, managing projects, or scheduling meetings and appointments, CalendarAnything is completely customizable to your business. With CalendarAnything, you can... - See the most important information at-a-glance - Streamline operations by manipulating Salesforce data directly from CalendarAnything - Build real-time pipelines, project plans, roadmaps, timelines, and more - Customize variables to what matters to your business You don't need costly custom development to have a 360 degree view of your operations — anyone can set up and use CalendarAnything on day one. See why we're AppExchange's #1 calendar app for yourself. Try us free for 15 days!"Starting Price: $13.75/ Per user/ Per Month -
5
Agendex
Agendex
Marketing events, training, webinars, whatever it is, easily manage your event calendars in Outlook and then publish them for everyone to see! Bring people, rooms, and resources together with our user-friendly, powerful free/busy search, it even works across multiple Exchange/M365 systems! Stop the email back-and-forth when trying to book meetings with external recipients; just send them your MyAvailability link and let them book what’s convenient for them! Smart, secure calendar sharing and booking for your entire organization. Agendex allows you to share events publicly so that anyone can view them and click to join them on the spot. You can provide a calendar link in emails or on your website, or even embed calendars on your website. Managed directly from Outlook, your everyday tool! These calendars can provide information about marketing events, webinars, training sessions, etc. Visitors can view information about any event and even register if you provide a registration link.Starting Price: $99 per month -
6
Let's Calendar
Manomay Informatics LLC
Let's Calendar is the worlds first and most advanced bulk calendar invite tool designed to help event managers, conference organizers, webinar admins, or simply any type of event and meeting organizers to send mass calendar invites to thousands of participants at once, and block their contacts date/time with details about their event and ensure a healthy turnout! Let's Calendar is hosted on Amazon Cloud and ensure great privacy tools that help protect your content and your contacts while allowing you to safely and securely upload your event contacts and send bulk calendar invites instantly in 1-click. Simply create your campaign, upload your contacts and hit "send" and let Let's Calendar handle all the magic in the backend. Let's Calendar will discreetly send the invites using your email id and your sender name to all the recipients in a way that they do not see each others details and the calendar invite is compatible with all browsers, devices and time zone.