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Top 12 Calendar Software SaaS Companies in May 2026

As of May 2026, there are 12 SaaS companies in Calendar Software. They have combined revenues of $9.5M and employ 124 people. They have raised $5M and serve - customers combined.

Calendar software is a digital tool designed to help users manage their schedules, appointments, and time allocation efficiently. It serves as a centralized hub for personal and professional scheduling needs, enabling users to create, share, and modify events while ensuring they can keep track of important dates and deadlines. The primary use cases of this software include scheduling meetings, setting reminders, and organizing tasks, which are essential for effective time management in both individual and team settings. Typical features of calendar software include smart scheduling capabilities, appointment booking, automated reminders, and integration with other tools such as email and task management applications. Furthermore, these tools are often equipped with options for recurring events, time zone adjustments, and collaboration features that allow multiple users to interact within shared calendars. Common buyer personas include administrative professionals, project managers, and team leaders who require reliable scheduling solutions to enhance productivity and communication within their organizations.

Companies
12
Revenue
$9.5M
Funding
$5M
Employees
124

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Sorting: Highest -> Lowest

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Top Calendar Software Companies

Showing 10 of 4 companies ranked by annual revenue.

1
Cira Apps Limited

Austin, Texas, United States

CiraSync is a secure, Azure-based SaaS platform that automates the syncing of Office 365 Global Address Lists, shared calendars, Public Folders, and CRM contacts to your business smartphone in about a minute. The solution is extremely easy to install, requires no user training, and can scale to thousands of business smartphones quickly. More than 5,000 companies benefit from the productivity gains and cost savings of contact and calendar automation. The company is headquartered in San Jose, California.

Revenue
$3.1M
Customers
-
Year founded
2016
Funding
-
Team size
28
Growth
-
2
Synigo Pulse

Deventer, Overijssel, Netherlands

Synigo Pulse is the ready-to-use platform for your social intranet and digital workplace. You can find everything you need to work or study, such as: conversations, chats, tasks, calendars, notifications, applications, company news, and the teams you work in. Our software is used by organisations such as Vitaminstore, Talpa Network, Humanitas DMH, J.P. Van den Bent, Visser & Visser Accountants, Fellowmind, UNICEF, Inholland University, Friese poort, ROC Noorderpoort and Johan Cruyff Foundation. We work with technology and consultancy companies (including Microsoft, Simac, Broad Horizon, Brunel, Lemontree). We offer a SaaS solution, which is continuously developed. Every month you experience innovations and improvements. Special features are available for education (grades, schedules) and health care. Learn how the accounting firm Visser & Visser, with 350 employees, works from home overnight and gets more from Microsoft Teams and Office 365. https://www.synigopulse.com/nl/blog/item/visser-visser-flexibel-en-innovatief-ook-als-het-gaat-om-de-werkplek You get the following benefits Easier to work with Microsoft (Office) 365/Teams Synigo Pulse is user-friendly, intuitive and pleasant to work with. You'll get the hang of it quickly. With our platform you have the organization in your pocket: everything at hand and less clicks and search. Quick implementation Our software for Microsoft 365 is a SaaS solution that allows you to create a digital workplace in no time. No hassle with technology or long tailor-made processes. Synigo Pulse allows you to use it self-reliantly. Integration with existing systems Work smarter with notifications and information from other systems and applications, so you have an overview and don't miss anything. Applications are notifications and smart lists from your applications or a client portal. You can experience Synigo Pulse yourself with a trial. https://www.synigopulse.com/demo/

Revenue
$1.4M
Customers
-
Year founded
2016
Funding
-
Team size
13
Growth
-
3
Morgen AG

Zurich, Switzerland

Morgen is your AI assistant helping you with scheduling in time for any task you are given at work and meetings. All is served through one app providing you with a single point of reference for all your calendars, to-dos, productivity apps, and schedulers, so you manage all your time in one place. Product of the Day, Product Hunt.🚀 Available on Mac, Windows, Linux, iOS, and Android.

Revenue
$1.3M
Customers
-
Year founded
2021
Funding
-
Team size
12
Growth
-
4
OfficeClip

Atlanta, Georgia, United States

OfficeClip LLC is a software company that creates web management software for businesses. We offer Web Based Timesheet and Expense software, Web Contact Manager, Bug Issue Tracker software and Online Calendar and Document Sharing. Each of these are offered individually or all together as our Premium Suite to help you meet your business needs. OfficeClip is an affordable, easy to use online software that can help you manage your business more effectively. OfficeClip will let you reduce administrative tasks, keep track of contacts, sales opportunities, issues and the amount of time/money spent on your projects. All this allows you to know exactly where all your resources are being used at any one time.

Revenue
$1.1M
Customers
-
Year founded
2003
Funding
-
Team size
10
Growth
-

Inclusion Criteria

- Must offer features for scheduling appointments and managing events - Should provide tools for setting reminders and notifications - Must support shared calendars for collaborative scheduling - Should include options for recurring events and time zone management - Not just for personal use; must also support team and organizational needs - Should integrate with other software tools for seamless workflow - Must provide analytics or reporting features to evaluate time usage