Compare the Top Calendar Software for Windows as of November 2025

What is Calendar Software for Windows?

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

  • 1
    Cal.com

    Cal.com

    Cal.com

    Meet Cal.com, the event-juggling scheduler for everyone. Focus on meeting, not making meetings. Free for individuals. Cal reads your availability from all your existing calendars ensuring you never get double booked! Set repeating schedules for the times of the day and week that you want people to be able to book you. Share your short cal.com personal link and make it incredibly easy for people to book a meeting at a time that works for both of you! Set availability, location, duration and more on a per-link basis. Send bookings to different calendars or set a default. Cal.com checks for conflicts across all of your calendars and only offers times that are open. Never get double booked again. Cal.com enables you to build processes around your events. Notifications, reminders and follow ups are automatically taken care of. With Cal.ai - harness the future of AI scheduling.
    Starting Price: $12 per user per month
  • 2
    TimeFleX
    TimeFleX Solutions is a modular system that you can dynamically adapt to the requirements of your company. The modules Group Calendar, Desk Sharing, MeetingFinder, Catering & Services, Visitor Management (from 2022) and Mobile can be freely combined. ONE installation for any number of locations. Finally, an application that puts a stop to uncertainties and double work when scheduling meetings in your organization: TimeFleX Group Calendar for Microsoft Outlook and IBM Notes will help you save time in future when entering and editing all your meetings and appointments. Thanks to its qualified information function, it also delivers cross-departmental transparency on the availability and utilization of people and resources. More extensive and efficient than any on-board resources available to-date.
    Starting Price: $2000.00/one-time/user
  • 3
    Sunsama

    Sunsama

    Sunsama

    The daily planner for elite professionals. Organize everything you need to do today in one place. Tasks, meetings, emails, you name it. Prioritize your work day by day. Set reasonable goals for what you want to accomplish each day. Tasks you don't get to today automatically roll over to tomorrow. Organize tasks day-by-day. Pull in tasks from Trello, Gmail, Asana... Pick out which tasks you want to work on today from your existing tools. Keep track of your tasks and calendar in one place. Sunsama syncs with your Google Calendar so you can see what's on your schedule and plan accordingly. See what the rest of your team is doing today. Check out what your teammates are working on each day. Track progress as the day goes on.
  • 4
    Dayshape

    Dayshape

    Dayshape

    Dayshape delivers leading resource management software designed to help organizations achieve extraordinary results. Trusted by Big Four and many other top professional services firms globally, Dayshape is the only solution that combines advanced AI, real-time project financials, and firm-wide insights enabling customers to elevate resource management into a strategic function. The platform seamlessly fits with existing ecosystems through integrating with ERP, PSA, CRM, HR systems, and more. Dayshape also stands out as the only resource management vendor with a Workday packaged solution—built to handle complexity and grow with your firm. By driving profitable growth, powering confident decisions and ensuring satisfied clients and teams, we're helping our customers build strong organizations and careers for the long term.
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