Slack competitorsClear all
Slack's top competitors include Microsoft Teams, Flock, Telegram and Mattermost.
| Save Comparison |  Flock Flock is a technology company providing a communication and collaboration app for engineering, sales, marketing, product, human resource, and customer support teams. |  Mattermost Mattermost is a company developing a messaging solution across web, desktop, and native mobile devices. | |||
Founding Date | Founding Date 2009 | Founding Date 2017 | Founding Date 2014 | Founding Date 2013 | Founding Date 2011 |
Type | Type Public | Type Subsidiary | Type Private | Type Private | Type Private |
Tags | |||||
Locations | Locations San Francisco, US HQ Carlton, AU Sydney, AU Toronto, CA Vancouver, CA Paris, FR München, DE see more | Locations Redmond, US HQ | Locations Mumbai, IN HQ | Locations Dubai, AE HQ | Locations Palo Alto, US HQ |
Employees | Employees 2,0453% increase | Employees N/A | Employees 1002% decrease | Employees 2984% increase | Employees 1571% increase |
Twitter followers | Twitter followers 451 k | Twitter followers 240 k | Twitter followers 15.8 k | Twitter followers 975.6 k | Twitter followers 10.3 k |
Number of tweets (last 30 days) | Number of tweets (last 30 days) 848 | Number of tweets (last 30 days) 693 | Number of tweets (last 30 days) 3 | Number of tweets (last 30 days) 689 | Number of tweets (last 30 days) 66 |
Average likes per tweet (last 30 days) | Average likes per tweet (last 30 days) 1.1 | Average likes per tweet (last 30 days) 13.8 | Average likes per tweet (last 30 days) N/A | Average likes per tweet (last 30 days) 18.3 | Average likes per tweet (last 30 days) 5.5 |
Percentage of tweets with engagement (last 30 days) | Percentage of tweets with engagement (last 30 days) 38.21% | Percentage of tweets with engagement (last 30 days) 53.97% | Percentage of tweets with engagement (last 30 days) 33.33% | Percentage of tweets with engagement (last 30 days) 63.13% | Percentage of tweets with engagement (last 30 days) 95.45% |
Alexa Website Rank | Alexa Website Rank 352 | Alexa Website Rank N/A | Alexa Website Rank 20595 | Alexa Website Rank 122 | Alexa Website Rank 144149 |
Employee Rating | Employee Rating 4.7 | Employee Rating N/A | Employee Rating 4 | Employee Rating N/A | Employee Rating 4.4 |
Funding | |||||
Latest funding round | Latest funding round N/A | Latest funding round N/A | Latest funding round $ 15m (almost 13 years ago) | Latest funding round $ 850m (about 4 years ago) | Latest funding round $ 50m (almost 2 years ago) |
Total funding raised | Total funding raised $ 1.3b | Total funding raised N/A | Total funding raised N/A | Total funding raised $ 1.7b | Total funding raised $ 70m |
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Microsoft Teams
HQ
Redmond, US
Microsoft Teams is a business communication platform developed by Microsoft.
View companyFlock
HQ
Mumbai, IN
Employees
100↓ 2% decrease
Flock is a technology company providing a communication and collaboration app for engineering, sales, marketing, product, human resource, and customer support teams.
View company
Telegram
HQ
Dubai, AE
Employees
298↑ 4% increase
Telegram is a messaging app with a focus on privacy, security and speed.
View companyMattermost
HQ
Palo Alto, US
Employees
157↑ 1% increase
Mattermost is a company developing a messaging solution across web, desktop, and native mobile devices.
View company