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Slack

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Slack is a single workspace that connects users with the people and tools they work with everyday, no matter where they are or what they do.

Productivity
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Market Share of Slack

Current Customer(s)

373126

Market Share (Est.)

24.18%

Ranking

#2

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Productivity category are Microsoft Office 365 with 27.95%, Google Docs with 10.89%, Microsoft Excel with 7.64% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Microsoft Office 36543120727.95%Slack vs Microsoft Office 365
Google Docs16796010.89%Slack vs Google Docs
Microsoft Excel1178797.64%Slack vs Microsoft Excel
JIRA Software757844.91%Slack vs JIRA Software
Microsoft Word626764.06%Slack vs Microsoft Word
Quip495363.21%Slack vs Quip
Microsoft Powerpoint338792.20%Slack vs Microsoft Powerpoint
Inkscape310332.01%Slack vs Inkscape
Atlassian Confluence305111.98%Slack vs Atlassian Confluence
Trello272901.77%Slack vs Trello
Airtable219281.42%Slack vs Airtable
Asana193901.26%Slack vs Asana
monday.com174201.13%Slack vs monday.com
SAPENTA159691.04%Slack vs SAPENTA
Evernote153090.99%Slack vs Evernote
Evernote Business148950.97%Slack vs Evernote Business
pocket144050.93%Slack vs pocket
Canvas LMS60320.39%Slack vs Canvas LMS
MangoApps25330.16%Slack vs MangoApps
Teamup Calendar23130.15%Slack vs Teamup Calendar
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Popular Comparisons

Top Competitors and Alternatives of Slack

The top three of Slack’s competitors in the Productivity category are Microsoft Office 365 with 27.95%, Google Docs with 10.89%, Microsoft Excel with 7.64% market share.

Slack vs Microsoft Office 365

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Slack vs Google Docs

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Slack vs Microsoft Excel

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Slack vs JIRA Software

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Slack vs Microsoft Word

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Slack vs Quip

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Slack vs Microsoft Powerpoint

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Slack vs Inkscape

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Customers of Slack

Around the world in 2025, over 373124 companies have started using Slack as Productivity tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Autoliv10,000+StockholmStockholmSweden
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Rush Enterprises10,000+New BraunfelsTexasUnited States
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Vodafone10,000+NewburyEnglandUnited Kingdom
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Kyndryl10,000+New York CityNew YorkUnited States
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NASA10,000+Washington, D.C.Washington, D.C.United States
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Rutgers University10,000+New BrunswickNew JerseyUnited States
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JLL10,000+ChicagoIllinoisUnited States
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Yandex10,000+San JoseCaliforniaUnited States
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ManpowerGroup10,000+MilwaukeeWisconsinUnited States
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Polaris Industries10,000+MedinaMinnesotaUnited States
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Slack Customers by Products and Services

The top three products and services offering customers that use Slack for Productivity are Marketing (8496), Digital Marketing (6895), Social Media (6585).

Customers

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Slack Customers by Employee Size

The majority of Slack's customers for the productivity category fall in the company size of 20 - 49 employees (123795 companies), 0 - 9 employees (72103 companies), 100 - 249 employees (70425 companies).

Employee Size

Slack Customers by Geography

The top three geographies of Slack for productivity are the United States with 174992(59.38%), United Kingdom with 30987(10.52%), Canada with 16715(5.67%) customers respectively.

Customers

Employees of Slack

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Also see other Products/Services by Slack in:

Project Collaboration
Internal Communications
Instant Messaging And Chat
Communication
File Sharing

FAQ

Find answers to the most often asked questions by users.

Who are the top Slack competitors?

Slack’s Top competitors in the productivity category are Microsoft Office 365, Google Docs, Microsoft Excel. You can view a full list of Slack competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Slack and 40,000 other technologies on the internet. You can also compare Slack and its feature with top competitors here : Slack vs Microsoft Office 365 Slack vs Google Docs Slack vs Microsoft Excel.

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What is Slack customer distribution based on company size?

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What is Slack market share in the productivity?

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What are the top countries that use Slack?

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What are the top industries that use Slack?

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