Company lists · Data refreshed October 2026
Top 25 Collaborative calendar software companies worldwide
RevenueBase identified 525 company matches for collaborative calendar software companies worldwide as of October 2026 and tracks 21,432 professional contacts across them, including 11,119 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for collaborative calendar software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 20, 2026. Country and city lists for collaborative calendar software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest collaborative calendar software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 18,901 contacts → | ||||
Exact match “Atlassian powers the collaboration that helps teams accomplish what would otherwise be impossible alone.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 174 contacts → | ||||
Exact match “Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 130 contacts → | ||||
Exact match “ONLYOFFICE is a project developed by experienced IT experts from Ascensio System SIA, leading IT company with headquarters in Riga, Latvia.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 106 contacts → | ||||
Exact match “Meet.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 55 contacts → | ||||
Exact match “TimeTree 500 TimeTree Apple Best of 2015 App Store Watch App Store App StoreApp VERYLEECHANTO Web10 FacebookFbStart 4 120%#02 Web Designing 20163…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 49 contacts → | ||||
Exact match “Pomelo-Paradigm is an innovative company that designs applications with strong collaborative potential.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 35 contacts → | ||||
Exact match “SUMO is a customer engagement platform that includes online Appointment, Event, and Field Sales scheduling, built fully native on Salesforce.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 34 contacts → | ||||
Exact match “Freelo is a collaboration tool designed for independent professionals and teams that want to have an absolute control of the projects.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 30 contacts → | ||||
Exact match “Clockwise is an AI-powered calendar assistant that builds smarter schedules for everyone by coordinating the way individuals, teams, and companies prefer to work.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 30 contacts → | ||||
Exact match “Your 9am class.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 27 contacts → | ||||
Exact match “Dovico is a company that firmly believes in the power of values.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 22 contacts → | ||||
Exact match “At Akiflow we help users to manage their time wisely by offering an all-in-one productivity hub, where you can access and plan all your tasks.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 20 contacts → | ||||
Exact match “Vimcal is the world's fastest calendar, beautifully designed for people who have too many meetings.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 19 contacts → | ||||
Exact match “Eén centrale plek die planners, medewerkers én klanten onderling gemakkelijk en op de meest efficiënte manier laat plannen, samenwerken en kennis delen.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 18 contacts → | ||||
Exact match “AddEvent is a cutting-edge software company providing best-in-class calendar marketing and event management solutions to thousands of companies worldwide.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 17 contacts → | ||||
Exact match “More than users rely on Central Desktop (formerly Central Desktop) for online collaboration software and project management solutions to manage files, collaborate on projects and…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 16 contacts → | ||||
Exact match “Yesplan, web-based event planning software.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “We are SuperOffice InfoBridge and we develop SaaS applications that are used by more than users in Europe every day.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “Time is too precious to waste on secondary tasks.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “In die Optimierung der Prozesse in Produktion und Logistik investieren die Unternehmen viel Zeit und Geld, um auch noch die letzten Prozentpunkte herauszuholen.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 14 contacts → | ||||
Exact match “At Stanza our mission is to help you make the most of your time.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 13 contacts → | ||||
Exact match “is a meetings productivity platform built to simplify and optimise how organisations schedule and run meetings.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “Founded in 2014 in Switzerland, Teamup is the calendar tool for groups to organize, schedule and track activities.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “Redbooth is award-winning task and project management software that gets your team organized and keeps projects on track.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “We are Calendar, trying to make the world a much more productive place.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “collaborative calendar software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 525 collaborative calendar software companies worldwide
See the full list, filter by size, metro and specialty, and access 11,119 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Collaborative calendar software companies worldwide at a glance
As of Oct 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for collaborative calendar software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “collaborative calendar software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 11,119 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Collaborative calendar software companies by location
1 lists · largest firstEvery Collaborative calendar software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “collaborative calendar software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many collaborative calendar software companies are there worldwide?
RevenueBase identified 525 company matches for collaborative calendar software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Atlassian tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most collaborative calendar software companies?
The United States leads with 102 companies. Every collaborative calendar software companies list by country and city is linked on this page.
Which city has the most collaborative calendar software companies?
San Francisco leads with 12 company records, followed by London (10) and Paris (10).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 11,119 professional contacts with verified work emails tracked across these 525 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 525 collaborative calendar software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 collaborative calendar software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 525 matching company records for collaborative calendar software companies worldwide, with 21,432 tracked contacts and 11,119 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 collaborative calendar software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Atlassianatlassian.comHQ: Sydney, TürkiyeReported employees: 10001+ | Sydney, Türkiye | 10001+ | Exact match | 18,901 contacts → |
“Atlassian powers the collaboration that helps teams accomplish what would otherwise be impossible alone.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  LARKlarksuite.comHQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 174 contacts → |
“Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Onlyofficeonlyoffice.comHQ: Riga, LatviaReported employees: 51-200 | Riga, Latvia | 51-200 | Exact match | 130 contacts → |
“ONLYOFFICE is a project developed by experienced IT experts from Ascensio System SIA, leading IT company with headquarters in Riga, Latvia.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Doodledoodle.comHQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 106 contacts → |
“Meet.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 株式会社timetreejubilee.works HQ: 新宿区, JapanReported employees: 11-50 | 新宿区, Japan | 11-50 | Exact match | 55 contacts → |
“TimeTree 500 TimeTree Apple Best of 2015 App Store Watch App Store App StoreApp VERYLEECHANTO Web10 FacebookFbStart 4 120%#02 Web Designing 20163…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pomelo-Paradigmpomelo-paradigm.comHQ: Versailles, FranceReported employees: 51-200 | Versailles, France | 51-200 | Exact match | 49 contacts → |
“Pomelo-Paradigm is an innovative company that designs applications with strong collaborative potential.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sumo Schedulersumoscheduler.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 35 contacts → |
“SUMO is a customer engagement platform that includes online Appointment, Event, and Field Sales scheduling, built fully native on Salesforce.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Freelofreelo.ioHQ: Pardubice V, Czech RepublicReported employees: 11-50 | Pardubice V, Czech Republic | 11-50 | Exact match | 34 contacts → |
“Freelo is a collaboration tool designed for independent professionals and teams that want to have an absolute control of the projects.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Clockwisegetclockwise.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 30 contacts → |
“Clockwise is an AI-powered calendar assistant that builds smarter schedules for everyone by coordinating the way individuals, teams, and companies prefer to work.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Howbouthowbout.app HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Your 9am class.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Dovicodovico.comHQ: Moncton, NB, CanadaReported employees: 11-50 | Moncton, NB, Canada | 11-50 | Exact match | 27 contacts → |
“Dovico is a company that firmly believes in the power of values.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Akiflowakiflow.comHQ: Remote, United StatesReported employees: 11-50 | Remote, United States | 11-50 | Exact match | 22 contacts → |
“At Akiflow we help users to manage their time wisely by offering an all-in-one productivity hub, where you can access and plan all your tasks.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Vimcalvimcal.comHQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 20 contacts → |
“Vimcal is the world's fastest calendar, beautifully designed for people who have too many meetings.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Symagic Workforce Management Softwaresymagic.comHQ: Groningen, NetherlandsReported employees: 11-50 | Groningen, Netherlands | 11-50 | Exact match | 19 contacts → |
“Eén centrale plek die planners, medewerkers én klanten onderling gemakkelijk en op de meest efficiënte manier laat plannen, samenwerken en kennis delen.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Addeventaddevent.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 18 contacts → |
“AddEvent is a cutting-edge software company providing best-in-class calendar marketing and event management solutions to thousands of companies worldwide.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Central Desktopcentraldesktop.comHQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 17 contacts → |
“More than users rely on Central Desktop (formerly Central Desktop) for online collaboration software and project management solutions to manage files, collaborate on projects and…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Yesplan Venue Management Softwareyesplan.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 16 contacts → |
“Yesplan, web-based event planning software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Superoffice Infobridgeinfobridge.comHQ: S-Hertogenbosch, NetherlandsReported employees: 11-50 | S-Hertogenbosch, Netherlands | 11-50 | Exact match | 15 contacts → |
“We are SuperOffice InfoBridge and we develop SaaS applications that are used by more than users in Europe every day.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Timetracktimetrackapp.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Time is too precious to waste on secondary tasks.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Consolidate Software Gmbh & Co. KGconsolidate.euHQ: Lustenau, AustriaReported employees: 11-50 | Lustenau, Austria | 11-50 | Exact match | 14 contacts → |
“In die Optimierung der Prozesse in Produktion und Logistik investieren die Unternehmen viel Zeit und Geld, um auch noch die letzten Prozentpunkte herauszuholen.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stanzastanzaplus.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“At Stanza our mission is to help you make the most of your time.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Meeedlymeeedly.comHQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 13 contacts → |
“is a meetings productivity platform built to simplify and optimise how organisations schedule and run meetings.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Teamup Calendarteamup.com HQ: Zurich, SwitzerlandReported employees: 1-10 | Zurich, Switzerland | 1-10 | Exact match | 12 contacts → |
“Founded in 2014 in Switzerland, Teamup is the calendar tool for groups to organize, schedule and track activities.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Redboothredbooth.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 11 contacts → |
“Redbooth is award-winning task and project management software that gets your team organized and keeps projects on track.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Calendarcalendar.comHQ: Spokane, WA, United StatesReported employees: 11-50 | Spokane, WA, United States | 11-50 | Exact match | 11 contacts → |
“We are Calendar, trying to make the world a much more productive place.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 525 company matches
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Collaborative calendar software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
523 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 525 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Collaborative calendar software companies by location
1 lists · largest firstEvery Collaborative calendar software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for collaborative calendar software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many collaborative calendar software companies did RevenueBase find worldwide?
The saved snapshot records 525 matching company records, 21,432 tracked contacts and 11,119 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 collaborative calendar software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/collaborative-calendar-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 collaborative calendar software companies worldwide
RevenueBase records 525 matching company records for collaborative calendar software companies worldwide, with 21,432 tracked contacts and 11,119 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 collaborative calendar software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Atlassianatlassian.com HQ: Sydney, TürkiyeReported employees: 10001+ | Sydney, Türkiye | 10001+ | Exact match | 18,901 contacts → |
“Atlassian powers the collaboration that helps teams accomplish what would otherwise be impossible alone.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | LARKlarksuite.com HQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 174 contacts → |
“Lark is a new take on the office suite that is transforming workplace collaboration.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Onlyofficeonlyoffice.com HQ: Riga, LatviaReported employees: 51-200 | Riga, Latvia | 51-200 | Exact match | 130 contacts → |
“ONLYOFFICE is a project developed by experienced IT experts from Ascensio System SIA, leading IT company with headquarters in Riga, Latvia.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Doodledoodle.com HQ: Zurich, SwitzerlandReported employees: 51-200 | Zurich, Switzerland | 51-200 | Exact match | 106 contacts → |
“Meet.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 株式会社timetreejubilee.works HQ: 新宿区, JapanReported employees: 11-50 | 新宿区, Japan | 11-50 | Exact match | 55 contacts → |
“TimeTree 500 TimeTree Apple Best of 2015 App Store Watch App Store App StoreApp VERYLEECHANTO Web10 FacebookFbStart 4 120%#02 Web Designing 20163…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pomelo-Paradigmpomelo-paradigm.com HQ: Versailles, FranceReported employees: 51-200 | Versailles, France | 51-200 | Exact match | 49 contacts → |
“Pomelo-Paradigm is an innovative company that designs applications with strong collaborative potential.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sumo Schedulersumoscheduler.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 35 contacts → |
“SUMO is a customer engagement platform that includes online Appointment, Event, and Field Sales scheduling, built fully native on Salesforce.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Freelofreelo.io HQ: Pardubice V, Czech RepublicReported employees: 11-50 | Pardubice V, Czech Republic | 11-50 | Exact match | 34 contacts → |
“Freelo is a collaboration tool designed for independent professionals and teams that want to have an absolute control of the projects.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Clockwisegetclockwise.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 30 contacts → |
“Clockwise is an AI-powered calendar assistant that builds smarter schedules for everyone by coordinating the way individuals, teams, and companies prefer to work.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Howbouthowbout.app HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 30 contacts → |
“Your 9am class.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Dovicodovico.com HQ: Moncton, NB, CanadaReported employees: 11-50 | Moncton, NB, Canada | 11-50 | Exact match | 27 contacts → |
“Dovico is a company that firmly believes in the power of values.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Akiflowakiflow.com HQ: Remote, United StatesReported employees: 11-50 | Remote, United States | 11-50 | Exact match | 22 contacts → |
“At Akiflow we help users to manage their time wisely by offering an all-in-one productivity hub, where you can access and plan all your tasks.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vimcalvimcal.com HQ: New York, United StatesReported employees: 11-50 | New York, United States | 11-50 | Exact match | 20 contacts → |
“Vimcal is the world's fastest calendar, beautifully designed for people who have too many meetings.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Symagic Workforce Management Softwaresymagic.com HQ: Groningen, NetherlandsReported employees: 11-50 | Groningen, Netherlands | 11-50 | Exact match | 19 contacts → |
“Eén centrale plek die planners, medewerkers én klanten onderling gemakkelijk en op de meest efficiënte manier laat plannen, samenwerken en kennis delen.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Addeventaddevent.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 18 contacts → |
“AddEvent is a cutting-edge software company providing best-in-class calendar marketing and event management solutions to thousands of companies worldwide.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Central Desktopcentraldesktop.com HQ: Pasadena, CA, United StatesReported employees: 11-50 | Pasadena, CA, United States | 11-50 | Exact match | 17 contacts → |
“More than users rely on Central Desktop (formerly Central Desktop) for online collaboration software and project management solutions to manage files, collaborate on projects and…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Yesplan Venue Management Softwareyesplan.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 16 contacts → |
“Yesplan, web-based event planning software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Superoffice Infobridgeinfobridge.com HQ: S-Hertogenbosch, NetherlandsReported employees: 11-50 | S-Hertogenbosch, Netherlands | 11-50 | Exact match | 15 contacts → |
“We are SuperOffice InfoBridge and we develop SaaS applications that are used by more than users in Europe every day.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Timetracktimetrackapp.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Time is too precious to waste on secondary tasks.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Consolidate Software Gmbh & Co. KGconsolidate.eu HQ: Lustenau, AustriaReported employees: 11-50 | Lustenau, Austria | 11-50 | Exact match | 14 contacts → |
“In die Optimierung der Prozesse in Produktion und Logistik investieren die Unternehmen viel Zeit und Geld, um auch noch die letzten Prozentpunkte herauszuholen.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stanzastanzaplus.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 14 contacts → |
“At Stanza our mission is to help you make the most of your time.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Meeedlymeeedly.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 13 contacts → |
“is a meetings productivity platform built to simplify and optimise how organisations schedule and run meetings.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Teamup Calendarteamup.com HQ: Zurich, SwitzerlandReported employees: 1-10 | Zurich, Switzerland | 1-10 | Exact match | 12 contacts → |
“Founded in 2014 in Switzerland, Teamup is the calendar tool for groups to organize, schedule and track activities.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Redboothredbooth.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 11 contacts → |
“Redbooth is award-winning task and project management software that gets your team organized and keeps projects on track.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Calendarcalendar.com HQ: Spokane, WA, United StatesReported employees: 11-50 | Spokane, WA, United States | 11-50 | Exact match | 11 contacts → |
“We are Calendar, trying to make the world a much more productive place.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 525 company matches
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Collaborative calendar software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
523 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 525 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Collaborative calendar software companies by location
1 lists · largest firstEvery Collaborative calendar software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for collaborative calendar software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many collaborative calendar software companies did RevenueBase find worldwide?
The saved snapshot records 525 matching company records, 21,432 tracked contacts and 11,119 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 collaborative calendar software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/collaborative-calendar-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗