Best Calendar Software

Compare the Top Calendar Software as of March 2026

What is Calendar Software?

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 currently available using the table below. This list is updated regularly.

  • 1
    eM Client

    eM Client

    eM Client

    Boost your email and skyrocket your productivity with the best email client for Windows and macOS. eM Client is a fully-featured email client with a clean and easy-to-use interface. It also offers features for calendars, tasks, contacts, notes, and chat. eM Client's compatibility is unmatched. You can connect to any email service – it will work. This email client works seamlessly with Google Workspace, Office 365, Outlook, Exchange and virtually all conceivable email technologies. Integrates with Online meeting tools such as Zoom, MS Teams, Google Meet and more. eM Client enhances email communication for professionals and home users alike. It is the only email app on the market with the full support of server-side rules and search, instant message translation, "Snooze email" and “Watch for reply” features + easy to use email encryption (PGP and S/MIME). It also works perfectly with Gmail, including support for tags and signature synchronization.
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    Starting Price: $59.95 one-time fee
  • 2
    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.
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    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
  • 4
    Breezit

    Breezit

    Breezit

    Running an event business is both exciting and exhausting. Numerous follow-up reminders, scattered customer data, and back-and-forth emails can really take the fun out of the process. Breezit helps bring the fun back by offering a broad set of tools tailored specifically for small businesses and sole traders in the event industry. Create your service profile in a couple of minutes and get everything you need to operate and grow your business: - A clean, SEO optimized listing - your clients will feel like shopping online - A shearable booking link to share on socials or integrate into the website - A CRM for bookings, created specifically for your needs - A calendar with dynamic pricing, where you can adapt your pricing for offseason or weekdays - Contract signing - Secure payment collection straight to your bank account - Review management tools - Passive income from referring partners and demand generation tools (coming soon) Start your free trial now
    Starting Price: $20/month/user
  • 5
    CiraSync

    CiraSync

    CiraSync

    Manual workarounds for syncing contacts, calendars, and notes to smartphones are error prone and time consuming. Custom apps are not scalable or have limited functionality. Without an automatic GAL sync solution, employees waste time looking up current contact information, are unable to identify critical business calls, or are forced to make manual updates. Unsynced shared calendars lead to missing business-critical meetings and ineffective management of projects, emergencies, or shifts. The CiraSync platform provides centralized administration with single sign-on, granular control, and best-in-class support. No software to install, no client configuration, and no need for user training. Sync unlimited number of contacts, shared calendars, and notes multiple times a day. Control who gets which contacts and calendars by leveraging existing distribution groups.
    Starting Price: $1 per user per month
  • 6
    Chili Piper

    Chili Piper

    Chili Piper

    Chili Piper Meetings is a suite of automated scheduling tools that help revenue teams convert more leads into qualified meetings, faster. Our intelligent Concierge product offers a simple way for prospects to book a meeting or start a phone call immediately after submitting a form on your website. Unlike the traditional method of inbound lead management, Chili Piper uses smart rules to qualify and distribute leads to the right reps in real time. Our software also allows companies to automate lead handoff from SDR to AE and book meetings from marketing campaigns and live events. Companies like Square, Twilio, DiscoverOrg, Spotify, and Forrester use Chili Piper to create an amazing experience for their leads, and in return, convert double the amount of leads into held meetings.
    Starting Price: $15/month/user
  • 7
    BlackBerry Hub+
    Up your game with BlackBerry apps on your Android phone. Give your phone a productivity boost from BlackBerry®. Whether it’s integrating all your messages and social notifications into one place or giving you a really smart Calendar, BlackBerry makes sure doing stuff on your Android™ phone is effortless. Keep organized with BlackBerry® Hub+ Inbox. Inbox consolidates all your email, calendar events and social notifications from apps like Facebook, WeChat, Twitter, LinkedIn and WhatsApp in one unified app. You can also sync your BlackBerry Hub+ Inbox with Wear OS by Google devices to receive notifications and respond directly from your watch. BlackBerry® Hub+ Calendar allows you to schedule appointments and create events with ease. Use the Agenda, Day, Week, or Month view to quickly glance at your events and respond to meeting invitations directly from the BlackBerry Hub+ Inbox. You can also call into meetings directly from your event reminder with just one tap.
  • 8
    ReFrame Engage

    ReFrame Engage

    WSD Digital

    Advanced conversational intelligence for unparalleled customer experience. Context-aware solutions to provide the best customer experience within a single powerful platform.​​ Services are enabled by seamless, and hassle-free multi-channel interactions with your customers.​ Empowered, context-aware interactions to build relationships with your customers.​ Engage is a platform that enables one-stop context-aware communication and collaboration for any industry looking to improve and streamline their customer interactions for any business services while driving great customer experiences. The solution empowers employees to deliver effectively from anywhere, anytime using any mobile device.​ A requirement assessment questionnaire that identifies your unique needs.​ Configure staff, departments, divisions, and locations, and appointment time-slot creation. ​Create service time-slots at the level of any entity (staff/dept/location) with intervals suited for your business or service.​
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