# Top Free Calendar Software Whether it's running a small business or managing your personal calendar, online calendar tools help you build and plan out the numerous plans and commitments necessary to keep everything on track.  In a fast-paced society, plans are constantly changing. Meetings are rearranged, lunches are rescheduled, and events classes are canceled. As opposed to scratching out or erasing plans in the heavy paper planner that weighs down your purse or briefcase, consider a digital calendar tool. E-calendars provide for simple switches and no scratch-outs, and allow you to share your plans with friends and family. Below is a list of the top calendar tools with free solutions for your business If you'd like to see more products and to evaluate additional feature options, compare all [Calendar Software](https://www.g2.com/categories/calendar-software) to ensure you get the right product. ## View Free Calendar Software G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies). **51** Calendar Products Available View all [Calendar Software](https://www.g2.com/categories/calendar-software) View all [Calendar Software](https://www.g2.com/categories/calendar-software) ### [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) [By Zoom](https://www.g2.com/sellers/zoom-a5000ea1-6d30-4ab4-b591-20723189ac97) [ (56,436)4.5 out of 5 ](https://www.g2.com/products/zoom-workplace/reviews#reviews "Read Zoom Workplace Reviews") Product Description Goodbye app overload. Hello effortless work. Work can be complicated. Your tools shouldn't be. Zoom Workplace connects all the ways you collaborate — from meetings to docs to chat and more — with bui **Users:** Owner, Software Engineer · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 51% Small-Business, 31% Mid-Market User SentimentHow are these determined? Users like the ease of use, the ability to explain ideas and plans without switching tools, the time-saving Scheduler, and the AI features that capture notes in real time. Reviewers mentioned issues such as the free plan limit forcing meetings to end earlier than planned, a crowded interface due to newer features, occasional connectivity issues, and a high bandwidth consumption. Year Founded 2011 HQ Location San Jose, CA Company Website https://www.zoom.com Twitter @zoom LinkedIn® Page https://www.linkedin.com/company/2532259/ ### [Google Workspace](https://www.g2.com/products/google-workspace/reviews) [By Google](https://www.g2.com/sellers/google) [ (48,081)4.6 out of 5 ](https://www.g2.com/products/google-workspace/reviews#reviews "Read Google Workspace Reviews") Product Description Google Workspace is a comprehensive productivity and collaboration solution designed to help users streamline their work processes by integrating essential tools such as email, chat, file storage, and **Users:** Student, Teacher · **Industries:** Information Technology and Services, Education Management · **Market Segment:** 46% Small-Business, 35% Mid-Market User SentimentHow are these determined? Reviewers frequently mention the seamless integration of apps, real-time collaboration features, and the convenience of having all tools in one place as major benefits of Google Workspace. Reviewers experienced issues with storage management, limitations in offline functionality, and some advanced features requiring higher-tier paid plans. Year Founded 1998 HQ Location Mountain View, CA Company Website https://cloud.google.com/ Twitter @google LinkedIn® Page https://www.linkedin.com/company/1441/ Ownership NASDAQ:GOOG Phone +1 (650) 253-0000 [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) ### [Calendly](https://www.g2.com/products/calendly/reviews) [By Calendly](https://www.g2.com/sellers/calendly) [ (2,642)4.7 out of 5 ](https://www.g2.com/products/calendly/reviews#reviews "Read Calendly Reviews") Product Description Calendly helps individuals, teams, and organizations automate the meeting lifecycle by removing the back and forth with scheduling. Calendly’s cloud-based platform offers a new layer of the modern dig **Users:** Owner, CEO · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 60% Small-Business, 28% Mid-Market User SentimentHow are these determined? Reviewers frequently mention the ease of use, intuitive interface, and the ability to automate scheduling, reducing the need for back-and-forth communication. Reviewers mentioned limitations in the free version, lack of certain features in lower pricing plans, and occasional difficulties in managing multiple calendars and integrating with other software. Year Founded 2013 HQ Location Atlanta, Georgia Company Website https://Calendly.com Twitter @Calendly LinkedIn® Page https://www.linkedin.com/company/3640016/ ### [ClickUp](https://www.g2.com/products/clickup/reviews) [By ClickUp](https://www.g2.com/sellers/clickup) [ (12,705)4.6 out of 5 ](https://www.g2.com/products/clickup/reviews#reviews "Read ClickUp Reviews") Product Description ClickUp is the world’s first Converged AI Workspace, bringing together all work apps, data, and workflows. ClickUp eliminates all forms of work sprawl to provide 100% context and a single place for hu **Users:** CEO, Project Manager · **Industries:** Marketing and Advertising, Computer Software · **Market Segment:** 77% Small-Business, 19% Mid-Market User SentimentHow are these determined? Users like the tool's flexibility and customizability, appreciating features like dashboards for a holistic view of workspace, task sub-division for detailed planning, and AI integration for advanced insights. Users mentioned issues with the initial setup being overwhelming due to the multitude of features, slow loading times for larger projects, and limitations in app integrations and collaboration features. Year Founded 2017 HQ Location San Diego, California Company Website https://ClickUp.com Twitter @clickup LinkedIn® Page https://www.linkedin.com/company/12949663/ ### [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) [By Microsoft](https://www.g2.com/sellers/microsoft) [ (5,832)4.6 out of 5 ](https://www.g2.com/products/microsoft365/reviews#reviews "Read Microsoft 365 Reviews") Product Description Launch and grow your business with Microsoft 365. Do more, faster, with intelligent tools to create, send, share, and store professional, branded documents with your customers and team - securely in t **Users:** Owner, Manager · **Industries:** Information Technology and Services, Education Management · **Market Segment:** 37% Mid-Market, 35% Small-Business User SentimentHow are these determined? Reviewers like the seamless integration of Microsoft 365's various applications, its cloud-based approach for accessibility from anywhere, and the real-time collaboration feature that enhances work efficiency. Reviewers mentioned issues with occasional sync inconsistencies between apps, performance inconsistencies with large files, and a steep learning curve due to the multitude of features. Year Founded 1975 HQ Location Redmond, Washington Company Website https://www.microsoft.com/ Twitter @microsoft LinkedIn® Page https://www.linkedin.com/company/microsoft/ Ownership MSFT Phone +1 (877) 276-2464 ### [Apollo.io](https://www.g2.com/products/apollo-io/reviews) [By Apollo.io](https://www.g2.com/sellers/apollo-io) [ (9,672)4.7 out of 5 ](https://www.g2.com/products/apollo-io/reviews#reviews "Read Apollo.io Reviews") Product Description Apollo.io is an AI-powered go-to-market (GTM) platform that helps revenue teams find, engage, and manage B2B buyers across the entire sales cycle. Apollo.io is the company behind the industry’s first **Users:** Account Executive, Business Development Manager · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 67% Small-Business, 29% Mid-Market User SentimentHow are these determined? Users like Apollo.io's ease of use, its ability to swiftly move from spotting a target company to making a solid prospect list, and the convenience of having contact info, outreach tools, and workflows all in one spot. Reviewers experienced issues with outdated contact information, complex user interface, and occasional data syncing delays that can affect workflow efficiency. Year Founded 2015 HQ Location San Francisco, CA Company Website https://www.apollo.io/ LinkedIn® Page https://www.linkedin.com/company/No-Linkedin-Presence-Added-Intentionally-By-DataOps ### [Cirrus Insight](https://www.g2.com/products/cirrus-insight/reviews) [By Cirrus Insight](https://www.g2.com/sellers/cirrus-insight) [ (1,510)4.2 out of 5 ](https://www.g2.com/products/cirrus-insight/reviews#reviews "Read Cirrus Insight Reviews") Product Description From CRM hygiene to AI-orchestrated selling, Cirrus is uniquely positioned to fuel your end-to-end sales engine. For over a decade, we’ve been listening, logging, and capturing the relationship histor **Users:** Account Executive, Account Manager · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 46% Mid-Market, 37% Small-Business User SentimentHow are these determined? Reviewers appreciate the seamless integration with Salesforce and email platforms, the ability to attach incoming emails to Salesforce leads, contacts, or accounts with one click, and the comprehensive prognosis and resolution suggestions provided by the software. Reviewers experienced issues with missing features, slow loading times due to Gmail and Outlook integration, synchronization issues, and a heavy reliance on Salesforce for insights. Year Founded 2011 HQ Location Irvine, CA Company Website https://www.cirrusinsight.com Twitter @cirrusinsight LinkedIn® Page https://www.linkedin.com/company/2377476/ Phone (949) 232-0959 ### [Acuity Scheduling](https://www.g2.com/products/acuity-scheduling/reviews) [By Squarespace](https://www.g2.com/sellers/squarespace) [ (409)4.7 out of 5 ](https://www.g2.com/products/acuity-scheduling/reviews#reviews "Read Acuity Scheduling Reviews") Product Description Acuity Scheduling is flexible scheduling software designed to support anyone in the business of time. Whether you offer appointments, classes, consultations, or excursions, Acuity can help you create **Users:** Owner, CEO · **Industries:** Health, Wellness and Fitness, Marketing and Advertising · **Market Segment:** 91% Small-Business, 7% Mid-Market ![Gilbert T.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Gilbert T.") GT It is easy to use, cheap and very convenient to make reservations, choose the exact time and date. Offers excellent intake forms perfect for...[Read review](https://www.g2.com/products/acuity-scheduling/reviews/acuity-scheduling-review-6979936) ![Miauwling O.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Miauwling O.") MO Super easy to navigate and use. Customers can book an appointment with me and make a payment. Compatible with Squarespace and Stripe.[Read review](https://www.g2.com/products/acuity-scheduling/reviews/acuity-scheduling-review-7085085) Year Founded 2003 HQ Location New York Company Website https://www.squarespace.com/ Twitter @squarespace LinkedIn® Page https://www.linkedin.com/company/265314/ Ownership NYSE: SQSP Phone +1 646.580.3456 ### [Brevo Marketing Platform](https://www.g2.com/products/brevo-marketing-platform/reviews) [By Brevo](https://www.g2.com/sellers/brevo) [ (2,571)4.5 out of 5 ](https://www.g2.com/products/brevo-marketing-platform/reviews#reviews "Read Brevo Marketing Platform Reviews") Product Description Trusted by over 500,000 businesses worldwide, Brevo (formerly Sendinblue) is the affordable, all-in-one marketing and CRM stack that helps growing businesses scale faster. It's easy to use and suitabl **Users:** CEO, Founder · **Industries:** Marketing and Advertising, Information Technology and Services · **Market Segment:** 84% Small-Business, 13% Mid-Market User SentimentHow are these determined? Reviewers appreciate Brevo's all-in-one approach, user-friendly interface, straightforward automation workflows, and cost-effectiveness, particularly for teams wanting to manage customer communication and marketing activities in one place. Reviewers noted that some of Brevo's advanced automation and reporting features can feel less flexible, the user interface can be slow at times, especially with large contact lists or complex workflows, and some integrations or customization options may require extra technical effort. Year Founded 2012 HQ Location Paris Company Website https://www.brevo.com/ Twitter @brevo\_official LinkedIn® Page https://www.linkedin.com/company/brevo/ ### [Cal ID](https://www.g2.com/products/cal-id/reviews) [By OneHash](https://www.g2.com/sellers/onehash) [ (230)4.7 out of 5 ](https://www.g2.com/products/cal-id/reviews#reviews "Read Cal ID Reviews") Product Description Cal ID is a product of OneHash and caters to the need of people who are looking for scheduling App for Individual, Scheduling App for Teams, Collective Scheduling, wants to triggers events based on **Users:** Founder, CEO · **Industries:** Computer Software, Marketing and Advertising · **Market Segment:** 90% Small-Business, 8% Mid-Market User SentimentHow are these determined? Reviewers frequently mention the ease of setup, user-friendly interface, time-saving automatic reminders, and the ability to schedule meetings directly from their websites as key benefits. Reviewers noted some limitations in advanced customization options, a need for more payment gateways, and a desire for improved user interface and support response times. Year Founded 2020 HQ Location Delaware Company Website https://onehash.ai/ Twitter @OneHash LinkedIn® Page https://www.linkedin.com/company/onehash ### [Bitrix24](https://www.g2.com/products/bitrix24/reviews) [By Bitrix24](https://www.g2.com/sellers/bitrix24) [ (608)4.1 out of 5 ](https://www.g2.com/products/bitrix24/reviews#reviews "Read Bitrix24 Reviews") Product Description Bitrix24 is an all-in-one business workspace that combines CRM, collaboration, and management tools in a single, easy-to-use platform – free for unlimited users. Whether you're a small team or a gr **Users:** Project Manager, Marketing Manager · **Industries:** Information Technology and Services, Marketing and Advertising · **Market Segment:** 55% Small-Business, 35% Mid-Market User SentimentHow are these determined? Users frequently mention the convenience of having multiple tools in one place, the ability to manage contacts, track communication, assign tasks, and the platform's user-friendly and customizable nature which improves productivity and makes daily work easier. Reviewers mentioned the steep learning curve due to the platform's complexity, the interface being overwhelming and sometimes slow when using advanced features, and the support being weak and often ineffective. Year Founded 1998 HQ Location Alexandria, Virginia Company Website https://www.bitrix24.com/ LinkedIn® Page https://www.linkedin.com/company/8812020/ ### [Vagaro](https://www.g2.com/products/vagaro/reviews) [By Vagaro](https://www.g2.com/sellers/vagaro) [ (393)4.6 out of 5 ](https://www.g2.com/products/vagaro/reviews#reviews "Read Vagaro Reviews") Product Description Vagaro is the #1 business management software built for professionals in the beauty, wellness, and fitness industries. Whether you're a solo professional, small business, or managing multiple location **Industries:** Health, Wellness and Fitness, Consumer Services · **Market Segment:** 65% Small-Business, 1% Enterprise User SentimentHow are these determined? Reviewers frequently mention the user-friendly interface, ease of use, and the variety of features and integrations that Vagaro offers, including appointment scheduling, client management, payments, marketing, and automated forms. Reviewers experienced issues with updating customer credit card information, limitations in blocking out time slots, difficulties in navigating certain features, and frustrations with additional fees for extra features and services. Year Founded 2009 HQ Location Pleasanton, California Company Website https://www.vagaro.com Twitter @Vagaro LinkedIn® Page https://www.linkedin.com/company/680194 ### [Reclaim.ai](https://www.g2.com/products/reclaim-ai/reviews) [By Dropbox](https://www.g2.com/sellers/dropbox) [ (141)4.8 out of 5 ](https://www.g2.com/products/reclaim-ai/reviews#reviews "Read Reclaim.ai Reviews") Product Description Reclaim is an AI calendar app that helps individuals and teams automatically plan their time and protect more space to get stuff done. The AI scheduling assistant optimizes meeting times across your w **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 74% Small-Business, 16% Mid-Market User SentimentHow are these determined? Reviewers appreciate Reclaim.ai's ability to seamlessly integrate with other calendars, its smart scheduling feature, and its adaptability to shifting schedules, which helps protect focus time and streamline task management. Reviewers mentioned some limitations such as the lack of a mobile app, issues with calendar integration, the need for better reporting, and the inability to adjust color schemes. Year Founded 2007 HQ Location San Francisco, California Company Website https://www.dropbox.com/ Twitter @Dropbox LinkedIn® Page https://www.linkedin.com/company/167251/ Ownership NASDAQ: DBX Phone 855-237-6726 ### [Spike](https://www.g2.com/products/spike/reviews) [By Spike](https://www.g2.com/sellers/spike) [ (262)4.6 out of 5 ](https://www.g2.com/products/spike/reviews#reviews "Read Spike Reviews") Product Description Spike is an AI-powered email and team communication platform that combines email, chat, meetings, and collaboration tools into a single, organized workspace. It is designed for professionals, small te **Users:** Owner, CEO · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 72% Small-Business, 15% Mid-Market User SentimentHow are these determined? Users like Spike's ability to unify inboxes, its fast and efficient search feature, and its user-friendly interface that makes managing emails feel like using a chat app. Reviewers experienced issues with Spike's chat-style interface making it harder to track formal email threads, limited support for certain newsletter providers, and occasional delays in email syncing and notifications. Year Founded 2014 HQ Location Herzliya, IL Company Website https://www.spikenow.com Twitter @SpikeNowHQ LinkedIn® Page https://www.linkedin.com/company/3240452/ ### [CiraSync](https://www.g2.com/products/cirasync/reviews) [By CiraApps Ltd](https://www.g2.com/sellers/ciraapps-ltd) [ (150)4.6 out of 5 ](https://www.g2.com/products/cirasync/reviews#reviews "Read CiraSync Reviews") Product Description Specifically for Office 365 business users, CiraSync automatically enables access to shared calendars, Global Address Lists, and Public Folder contacts and calendars on business smartphones. Native Sa **Users:** IT Manager · **Industries:** Construction, Information Technology and Services · **Market Segment:** 74% Mid-Market, 22% Small-Business RC It syncs your GAL contacts to your outlook contacts thus syncing them to your phone contact list.[Read review](https://www.g2.com/products/cirasync/reviews/cirasync-review-7831485) ![Jason G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jason G.") JG The best things about CiraSync are the ease of use, and scheduling of contact and calendar updates. Set it and forget it for sure! Very...[Read review](https://www.g2.com/products/cirasync/reviews/cirasync-review-7831719) Year Founded 2016 HQ Location San Jose, California Company Website https://www.cirasync.com Twitter @cirasync LinkedIn® Page https://www.linkedin.com/company/7937872/ - ‹ Prev‹ Prev - 1 - [2](/categories/calendar/free?order=g2_score&page=2#product-list) - [3](/categories/calendar/free?order=g2_score&page=3#product-list) - [4](/categories/calendar/free?order=g2_score&page=4#product-list) - [Next ›Next ›](/categories/calendar/free?order=g2_score&page=2#product-list)