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Top 12 Calendar Software Companies (August 2026)

As of August 2026, Latka tracks 12 calendar software companies. They have combined revenues of $9.5M and employ 124 people. They have raised $5M.

Every company below sells calendar software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.

What Calendar Software Companies do

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

Filters

Sorting: Highest -> Lowest

Filters

Top Calendar Software Companies by revenue

Showing 4 of 4 companies ranked by annual revenue.

1Cira Apps Limited logo
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
Year founded
2016
Team size
28
2Synigo Pulse logo
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
Year founded
2016
Team size
13
3Morgen AG logo
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
Year founded
2021
Team size
12
4OfficeClip logo
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
Year founded
2003
Team size
10

Frequently asked questions about Calendar Software Companies

How many calendar software companies are there?

Latka tracks 12 calendar software companies with reported revenue. Together they generate $9.5M in annual revenue and employ 124 people.

Which calendar software company is the largest?

Cira Apps Limited is the largest, with $3.1M in annual revenue, founded in 2016.

How much revenue does a typical calendar software company make?

The average calendar software company in this list makes $787.5K a year, across 12 companies with reported revenue.

Who are the leading Calendar software vendors?

Ranked by annual revenue, the leaders are Cira Apps Limited, Synigo Pulse, Morgen AG and OfficeClip.

How much funding have calendar software companies raised?

The 12 calendar software companies tracked here have raised $5M in disclosed funding between them.

Related Office Software categories

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