Slack
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.
Market Share of Slack
Current Customer(s)
615369
Market Share (Est.)
29.35%
Ranking
#1
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Productivity category are Microsoft Office 365 with 23.49%, Google Docs with 9.18%, Microsoft Excel with 8.02% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Microsoft Office 365 | 492457 | 23.49% | Slack vs Microsoft Office 365 |
| Google Docs | 192569 | 9.18% | Slack vs Google Docs |
| Microsoft Excel | 168244 | 8.02% | Slack vs Microsoft Excel |
| JIRA Software | 126002 | 6.01% | Slack vs JIRA Software |
| Microsoft Word | 88772 | 4.23% | Slack vs Microsoft Word |
| Quip | 77626 | 3.70% | Slack vs Quip |
| Microsoft Powerpoint | 56356 | 2.69% | Slack vs Microsoft Powerpoint |
| Atlassian Confluence | 49547 | 2.36% | Slack vs Atlassian Confluence |
| Trello | 46701 | 2.23% | Slack vs Trello |
| Inkscape | 37316 | 1.78% | Slack vs Inkscape |
| Asana | 31991 | 1.53% | Slack vs Asana |
| Airtable | 24911 | 1.19% | Slack vs Airtable |
| monday.com | 23591 | 1.13% | Slack vs monday.com |
| Evernote | 16356 | 0.78% | Slack vs Evernote |
| Evernote Business | 15640 | 0.75% | Slack vs Evernote Business |
| Canvas LMS | 11240 | 0.54% | Slack vs Canvas LMS |
| MangoApps | 3993 | 0.19% | Slack vs MangoApps |
| Front | 2737 | 0.13% | Slack vs Front |
| Teamup Calendar | 2673 | 0.13% | Slack vs Teamup Calendar |
| todo.vu | 2177 | 0.10% | Slack vs todo.vu |
Popular Comparisons
Top Competitors and Alternatives of Slack
The top three of Slack’s competitors in the Productivity category are Microsoft Office 365 with 23.49%, Google Docs with 9.18%, Microsoft Excel with 8.02% market share.
Slack vs Microsoft Office 365
Slack vs Google Docs
Slack vs Microsoft Excel
Slack vs JIRA Software
Slack vs Microsoft Word
Slack vs Quip
Slack vs Microsoft Powerpoint
Slack vs Atlassian Confluence
Customers of Slack
Around the world in 2025, over 615308 companies have started using Slack as Productivity tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Revolut | 10,000+ | London | England | United Kingdom |     |
| Beehiiv | 10,000+ | New York City | New York | United States | |
| Paramount | 10,000+ | New York City | New York | United States | |
| PyCon Portugal | 10,000+ | Porto | Porto | Portugal | |
| Slalom | 10,000+ | Seattle | Washington | United States | |
| Cloud Native Computing Foundation | 10,000+ | San Francisco | California | United States | |
| Imperial College London | 10,000+ | London | England | United Kingdom | |
| IBM | 10,000+ | Armonk | New York | United States | |
| Red Hat | 10,000+ | Raleigh | North Carolina | United States | |
| UCLA Anderson School Of Management | 10,000+ | Los Angeles | California | United 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 (10444), Digital Marketing (8233), Social Media (7577).
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 (213257 companies), 100 - 249 employees (149123 companies), 0 - 9 employees (99124 companies).
Employee Size
Slack Customers by Geography
The top three geographies of Slack for productivity are the United States with 329560(65.76%), United Kingdom with 43768(8.73%), Canada with 27613(5.51%) customers respectively.
Customers
Employees of Slack
Also see other Products/Services by Slack in:
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.
What is Slack customer distribution based on company size?
What is Slack market share in the productivity?
What are the top countries that use Slack?
What are the top industries that use Slack?
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