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.
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Slack’s competitors in the Project Collaboration category are G Suite with 79.07%, JIRA Software with 1.80%, Quip with 1.10% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| G Suite | 5237409 | 79.07% | Slack vs G Suite |
| JIRA Software | 119077 | 1.80% | Slack vs JIRA Software |
| Quip | 73027 | 1.10% | Slack vs Quip |
| Atlassian Confluence | 46505 | 0.70% | Slack vs Atlassian Confluence |
| Microsoft Project | 45745 | 0.69% | Slack vs Microsoft Project |
| Trello | 42789 | 0.65% | Slack vs Trello |
| Agile CRM | 40934 | 0.62% | Slack vs Agile CRM |
| Freshworks | 37045 | 0.56% | Slack vs Freshworks |
| QuickBase | 33736 | 0.51% | Slack vs QuickBase |
| Asana | 32011 | 0.48% | Slack vs Asana |
| NetSuite | 28201 | 0.43% | Slack vs NetSuite |
| monday.com | 25125 | 0.38% | Slack vs monday.com |
| Airtable | 24920 | 0.38% | Slack vs Airtable |
| Box | 22306 | 0.34% | Slack vs Box |
| Smartsheet | 22255 | 0.34% | Slack vs Smartsheet |
| ClickUp | 11582 | 0.17% | Slack vs ClickUp |
| Ryver | 11119 | 0.17% | Slack vs Ryver |
| Microsoft Planner | 11035 | 0.17% | Slack vs Microsoft Planner |
| PBworks BusinessHub | 10962 | 0.17% | Slack vs PBworks BusinessHub |
| Bitrix24 | 10006 | 0.15% | Slack vs Bitrix24 |
Popular Comparisons
The top three of Slack’s competitors in the Project Collaboration category are G Suite with 79.07%, JIRA Software with 1.80%, Quip with 1.10% market share.
Slack vs G Suite
Slack vs JIRA Software
Slack vs Quip
Slack vs Atlassian Confluence
Slack vs Microsoft Project
Slack vs Trello
Slack vs Agile CRM
Slack vs Freshworks
Around the world in 2026, over 596656 companies have started using Slack as Project Collaboration tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Microsemi Corporation | 10,000+ | Aliso Viejo | California | United States | |
| Medical Scribe Systems | 10,000+ | Fort Lauderdale | Florida | United States | |
| Bristol Myers Squibb | 10,000+ | Princeton | New Jersey | United States | |
| Stanford University | 10,000+ | Stanford | California | United States | |
| AMD | 10,000+ | Santa Clara | California | United States | |
| Amare Global | 10,000+ | Lehi | Utah | United States | |
| Molina Healthcare | 10,000+ | Long Beach | California | United States | |
| D-Link | 10,000+ | Taipei | Taiwan | Taiwan | |
| Sogeti | 10,000+ | Paris | Ile-de-France | France | |
| Auburn University | 10,000+ | Auburn | Alabama | United States |
The top three products and services offering customers that use Slack for Project Collaboration are Marketing (10402), Digital Marketing (8210), Social Media (7515).
Customers
The majority of Slack's customers for the project-collaboration category fall in the company size of 20 - 49 employees (205496 companies), 100 - 249 employees (149009 companies), 0 - 9 employees (92839 companies).
Employee Size
The top three geographies of Slack for project-collaboration are the United States with 321749(66.16%), United Kingdom with 42113(8.66%), Canada with 26813(5.51%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Slack competitors?
Slack’s Top competitors in the project-collaboration category are G Suite, JIRA Software, Quip. 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 G Suite Slack vs JIRA Software Slack vs Quip.
What is Slack customer distribution based on company size?
What is Slack market share in the project-collaboration?
What are the top countries that use Slack?
What are the top industries that use Slack?
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