Best Calendar Software

Calendar software facilitates the creation of electronic calendars that can be accessed, edited, and shared with employees company-wide. Calendars have become standard features of many PDAs and smartphones. Calendar software can be sold as a standalone product, but oftentimes is included as part of a larger Office Suite.Calendars are used to streamline the internal workings of a company, with features that can include: collaborative scheduling, email appointment reminders, calendar viewing default (one day, one week, one month, or one year, workweek or work hours display, etc.), and group calendars.

To qualify for inclusion in the Calendar category, a product must:

  • Allow scheduling, from individual and/or collaborating users
  • Provide calendar views including: daily, weekly, monthly, and yearly
  • Feature customizable viewing options, i.e. “day,” “week,” “month,” or “agenda.”

Calendar Software Grid® Overview

The best Calendar Software products are determined by customer satisfaction (based on user reviews) and market presence (based on products’ scale, focus, and influence) and placed into four categories on the Grid®:
  • Products in the Leader quadrant are rated highly by G2 Crowd users and have substantial Market Presence scores. Leaders include: Google Calendar, Microsoft Outlook, and iCal
  • High Performers are highly rated by their users, but have not yet achieved the Market Presence of the Leaders. High Performers include: Chili Piper
  • Contenders have significant Market Presence and resources, but have received below average user Satisfaction ratings or have not yet received a sufficient number of reviews to validate the solution. Contenders include: Microsoft Exchange
  • Niche solutions do not have the Market Presence of the Leaders. They may have been rated positively on customer Satisfaction, but have not yet received enough reviews to validate them. Niche products include: IBM Domino and timetrade
G2 Crowd Grid® for Calendar
High Performers
Market Presence
Compare Calendar Software
    Results: 33

    Star Rating

    Calendar reviews by real, verified users. Find unbiased ratings on user satisfaction, features, and price based on the most reviews available anywhere.

    Microsoft Outlook 2010, the premium business and personal e-mail management tool and calendar software to help you stay in touch.

    Integrated online calendars designed for teams

    Keep track of your busy schedule and share it with others using Calendar. See all your calendars in a single window. Works with iCloud, Yahoo!, and Google.

    Microsoft Exchange Online provides hosted email, calendar and contacts on your PC, phone and web browser.

    Your meeting process au autopilot tightly integrated with Salesforce, Outreach, Salesloft and other tools your team use. Companies like Square, Invision, Namely use Chili Piper to give their customers the white glove treatment, increase their number of meetings for their teams as well as their attendance rates

    TimeTrade creates conversations that drive business. We equip businesses to provide personalized service to every customer, every time, which improves customer satisfaction, loyalty and retention, and increases sales growth. Our Customer Engagement Cloud platform provides omnichannel and mobile application tools for managing the most critical part of the customer journey: the live conversation. More than 500 top brands rely on TimeTrade to power conversations and improve the customer experience.

    See how IBM Notes can transform your email into an efficient operations center Increase productivity Eliminate the need to switch to other applications to take action. Go mobile Access your IBM Notes email from Apple iPhone, Android, Windows Phone, BlackBerry and other mobile devices. Optimize value of existing applications Integrate, develop and deploy business applications quickly. IBM Domino supports Security Assertion Markup Language (SAML) and Open Standard for Authorization (OAuth). Simplify administration Ease admin tasks with the included Database Management Tool, NetWare Directory Services monitor for UNIX, Quality of Service probe, Simplified Notes ID management with SAML support and Single Sign-On. Improve security Secure your system with included Secure Hash Algorithm 2 (SHA) support for encryption and Transport Layer Security (TLS) delivered by IBM and OAuth credential store to support Embedded Experiences.

    On-Line and mobile task management tool

    With Square’s appointment scheduling software, customers can always access your availability and book their appointment online. Easily keep your schedule open and attract new business—even when you’re done for the day.

    Create customizable calendars from any standard or custom object

    Tap into calendars (Google, Outlook, iOS, etc) as a marketing channel. Target your audience by geography, behavior, or your CRM data. Go beyond the default 15-minute "calendar reminder" with custom calendar notifications. Track all activity inside your customers' calendars, such as in-calendar impressions, link clicks, social shares and more. Join thousands of businesses already using Eventable to boost conversions, from webinar attendance to in-store purchases.

    Sling is a shift scheduling and communication software that shifts, messages, newsfeeds and tasks to help managers organize all aspects of their work on a single platform.

    Teamweek is an online project management software and team planner tool that offer task management, team calendar with sharing feature, Gantt charts and more

    WizCal is an AI-powered meeting scheduling assistant for Google and Exchange/Office 365 calendars. WizCal is integrated with Google web client and Outlook, and has apps for leading mobile platforms. Key product highlights: 1. Works seamlessly for your internal and external meetings. 2. Automatically learns and uses your meeting preferences. 3. Automatically finds a meeting room. 4.Finds time slots with minimum schedule disruptions for your group. 5.Schedules across multiple time zones.

    BookingBug is the most advanced multi-channel appointment booking technology available, enabling organisations to market and sell their services through multiple channels, spanning online, mobile, in-branch and call-centre. BookingBug has been built from the ground-up to work for all businesses types, from solo traders all the way through to governments and multi-national enterprises. BookingBug is a fully flexible, customisable platform that offers full API integration with other technologies, platforms, systems and processes. Whether a business takes bookings by the hour, day or week, or run events, classes or courses, BookingBug provides the tools to simply and securely manage multi-channel bookings from end-to-end. BookingBug also provides a series of advanced add-on features to help businesses manage, retain and upsell existing customers, attract new ones, run marketing campaigns and promotions, and analyse and use their booking data effectively.

    A smart appointment and clientele management solution that is beautiful and very easy to use on computer, tablet and smartphone. Helps you save time off the phone, and reduce no shows with its automated website, online appointment booking and automated email and SMS confirmations and reminders.

    Customizable calendar with must-have features to share activities, events and schedules. Improve communications with desktop and mobile access, website calendar plugins, invites & reminders, room booking and more.

    CalendarX is a calendar application, that allows users to communicate to their audience through their calendar.CalendarX is a service provided by AddEvent, Inc .

    CalReply is a calendaring platform designed to allow TV networks, pro-sporting leagues and businesses to enable fans and viewers to subscribe to event schedules via their mobile calendars.

    CatalogStudio is a product information management solution that consists of modules that provide features needed to create, manage, and maintain product information in a central repository.

    Cronofy offers a fully supported SaaS Calendar API that enables enterprise application providers to build real-time, two-way calendar integrations without compromising on users' privacy. Whether your customers use Exchange, Google, Office 365, iCloud or, Cronofy delivers enterprise grade connectivity that meets the most stringent of data security requirements. Don't spend time and resources on plumbing and maintenance, ensure your development team is focused on building and delivering high value features.

    dhtmlxScheduler is an Ajax-enabled JavaScript calendar which offers an advanced solution for scheduling events and appointments. It has a simple yet extensive API with plenty of events for configuring your calendar's behaviour and appearance. Anything from adding or updating events to modifying date format or the whole time scale and changing language is possible with our feature-rich component. Intuitive drag-and-drop makes it easy for end-users to work with the calendar. Key Features of dhtmlxScheduler: - Very lightweight (about 19KB gzipped) - Works in all major browsers - Integrated with any back-end technology - Variety of flexible views (day, week, month, year, agenda, units, grid, timeline) - Integration with Google Map - Single, multiday and recurring events - Fully customizable time scale - Several schedulers on page - Touch screen support - Accessibility support - Export to XML, iCal, JSON, PDF - Bootstrap compatibility - 7 different skins - and many others Learn more about dhtmlxScheduler:

    The ImGoing Automated Events Calendar is designed to pull events from different API sources to allow organizations to manage and display events on their website.

    Julie Desk is a Ai-based assistant that helps you save time and gain productivity by scheduling all your appointments via email. No more back and forth email: just CC Julie in your emails and she will manage all your appointments according to your preferences. Do not schedule your meeting, Julie Desk them!

    Nelio Content is the editorial calendar and content assistant for WordPress. It’s designed to help you to schedule, create, and promote your blog’s content efficiently. Its ultimate goal is to assist you during all the tasks involved in content creation and promotion in social media. Nelio Content doesn’t give you additional work—it’s the perfect companion for running a successful blog and writing outstanding posts saving tons of time. Nelio Content helps more than 6,000 sites stay organized in more than 100 countries around the world.

    The Virto’s Calendar app allows to display events from any SharePoint list in a calendar view. Users can combine multiple source events across different site-collections onto a single SharePoint calendar and customize overlaid calendars. is a simple and easy to use appointment scheduling and reminders tool for professionals. Schedule business appointments with ease and efficiency. Send reminders to clients and reduce no-shows. Monitor performance with insightful reports.

    Built to streamline associate management, Salladore frees up your time so you can focus on the profitable side of your practice.

    Appointment scheduling for your computer, tablet, or phone.

    Manage your private or business appointments easily and centrally in the SEMYOU Cloud with sem.CALENDAR. Define multiple calendars, share them with people from your team and easily manage your meeting requests.

    UniCal is a customizable calendar web app that makes it easy for organization to promote events across multiple websites, it is an Angular.js-based tool using the headless/decoupled Drupal approach and COPE principle.

    Kate from G2 Crowd

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