Compare the Top Calendar Software in the USA as of January 2026

What is Calendar Software in the USA?

Calendar software and calendar apps are essential in keeping your schedule organized. Calendar software offer a range of features including scheduling, task management, collaboration tools, calendar sync, and more. Compare and read user reviews of the best Calendar software in the USA currently available using the table below. This list is updated regularly.

  • 1
    Microsoft Outlook
    Microsoft Outlook is the all-in-one email, calendar, and contact management platform designed to keep you organized and connected across your digital life. With Outlook, you can manage multiple accounts—including Gmail, Yahoo, and iCloud—within one unified inbox. Intelligent scheduling tools and shared calendars help you stay on top of meetings, events, and personal reminders. The built-in Microsoft Copilot assists with writing emails, summarizing long threads, and managing tasks to boost productivity. Outlook also offers enterprise-grade security, filtering out spam, phishing, and malware to keep your data safe. Whether on desktop, mobile, or web, Outlook helps you manage communication and time with clarity and confidence.
  • 2
    Calendly

    Calendly

    Calendly

    Calendly is a scheduling automation platform that helps individuals, teams, and enterprises book meetings without the back-and-forth emails. Share custom booking links, set availability preferences, and automate reminders, follow-ups, and calendar syncing. Calendly supports one-on-one, group, collective, and round robin scheduling, with smart features like buffer times, time zone detection, and meeting caps. Integrate with Google, Outlook, Office 365, Zoom, Microsoft Teams, HubSpot, Salesforce, Slack, and more to embed scheduling into your existing workflow. Calendly helps entrepreneurs, sales, marketing, recruiting, customer success, and professional services teams save time, reduce no-shows, and improve the client experience. Built for flexibility and scale, Calendly offers admin controls, reporting, and enterprise-grade security. Sign up for free and simplify your scheduling today—no credit card required.
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    Starting Price: $10 per user per month
  • 3
    Google Workspace
    G Suite just got better — introducing Google Workspace (formerly G Suite). Everything you need to get anything done, now in one place. An integrated workspace that’s simple to use, Google Workspace lets you spend less time managing your work and more time actually doing it. Address what’s important and let Google handle the rest with best-in-class AI and search technology that helps you work smarter. Work from anywhere, on any device – even offline – with tools to help you integrate, customize, and extend Google Workspace to meet your team’s unique needs. Similar to G Suite, all Google Workspace plans provide a custom email for your business and includes collaboration tools like Gmail, Calendar, Meet, Chat, Drive, Docs, Sheets, Slides, Forms, Sites, and more. We have a variety of plans that are designed to meet your unique business needs. Discover which plan best fits your business needs on our plans and pricing page.
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    Starting Price: $6 per user per month
  • 4
    Vivaldi

    Vivaldi

    Vivaldi Technologies

    The new Vivaldi browser protects you from trackers, blocks unwanted ads, and puts you in control with unique built-in features. Get Vivaldi and browse fast. Vivaldi is a web browser that was designed with the user in mind. It offers a wide range of features and customization options, making it a powerful and flexible tool for browsing the internet. One of Vivaldi's key features is its tab management system, which allows users to easily organize and manage multiple tabs. Vivaldi also offers a range of built-in tools, such as a notes and bookmarks manager, and the ability to take and share screenshots. Additionally, Vivaldi is designed to be fast and secure, with support for features like built-in ad-blocking and privacy protection. Overall, Vivaldi offers a unique and customizable browsing experience for users who want more control and flexibility.
  • 5
    Any.do

    Any.do

    Any.do

    Millions rely on Any.do, the world's #1 to-do list, to stay organized and get more done. It's the simplest most powerful to-do list app ranked best-in-class by Apple, Google, The Verge, Forbes, and more. Set reminders to make sure important things don’t slip away. With powerful one-time, recurring and location-based reminders, you can be sure critical things don’t get forgotten. Wherever you are, take your to do list with you. Access Any.do on mobile, laptop, desktop, tablet and even your watch! Your tasks are automatically synced across all of your devices, giving you ultimate control.
    Starting Price: $35.99 per year
  • 6
    Cirrus Insight

    Cirrus Insight

    Cirrus Insight

    Reduce wasted opportunities by executing the right activity with the right people. From buyer signals to sales cadences, automated tools can help you close deals. Get the missing features for Gmail or Outlook. Cirrus Insight has everything you need in one solution. Salesforce integration: everything you need from Salesforce in your inbox. Add a little automation to your sales routine, and skip the busy work involved in manually logging activities to Salesforce. Constantly entering data, copying and pasting, and toggling between applications is cumbersome. Reclaim time for actions that provide value, not busy work. Updating your CRM can be like a ball and chain shackling your time and adding drag to your sales process. Cirrus Insight gives you the freedom and time you need to master your sales process and engage with more customers. Updating activities in Salesforce is time-consuming. Following up with prospects that are not ready to buy.
    Starting Price: $14 per month
  • 7
    Appointible

    Appointible

    Appointible

    On the mission to help salons, spas and individual beauty professionals with the most efficient appointment booking system so that YOU can focus on taking care of their clients. We help you stay organized, get more done and grow your business faster. Let your clients book appointments with our modern and easy-to-use online bookings platform. Organize your business calendar on the go, manage your staff, and reduce no-shows with text reminders. Grow your business with text marketing and client engagement tools on autopilot. Streamline the process of scheduling appointments, text marketing, nurturing clients, organizing staff calendars, and more. Start managing your appointments with confidence and ease. Try for free and bring in more clients. Keep your clientele connected to you and your services, collect more reviews, and communicate with clients using our two-way text messaging system. Equip your team with simple and intuitive tools.
    Starting Price: $15 per month
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