Mattermost is an open source workplace messaging system for web, PCs & phones, that supports 1-1 & group messaging, file sharing, multiple languages, ...Read more
Current Customer(s)
Market Share (Est.)
Ranking
The top three of Mattermost’s competitors in the Internal Communications category are Slack with 93.47%, monday.com with 4.20%, Bitrix24 with 1.54% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Slack | 587256 | 93.47% | Mattermost vs Slack |
| monday.com | 26378 | 4.20% | Mattermost vs monday.com |
| Bitrix24 | 9653 | 1.54% | Mattermost vs Bitrix24 |
| Beekeeper | 1325 | 0.21% | Mattermost vs Beekeeper |
| Staffbase | 905 | 0.14% | Mattermost vs Staffbase |
| MyHub Intranet | 373 | 0.06% | Mattermost vs MyHub Intranet |
| Unily | 265 | 0.04% | Mattermost vs Unily |
| SendBird | 245 | 0.04% | Mattermost vs SendBird |
| Favro | 135 | 0.02% | Mattermost vs Favro |
| Our People | 133 | 0.02% | Mattermost vs Our People |
| Glip | 115 | 0.02% | Mattermost vs Glip |
| Jostle | 95 | 0.02% | Mattermost vs Jostle |
| Twine | 92 | 0.01% | Mattermost vs Twine |
| Interact | 85 | 0.01% | Mattermost vs Interact |
| Happeo | 77 | 0.01% | Mattermost vs Happeo |
| Zoho Cliq | 76 | 0.01% | Mattermost vs Zoho Cliq |
| Wire | 70 | 0.01% | Mattermost vs Wire |
| ThoughtFarmer | 62 | 0.01% | Mattermost vs ThoughtFarmer |
| Igloo Software | 59 | 0.01% | Mattermost vs Igloo Software |
| WebHR | 59 | 0.01% | Mattermost vs WebHR |
Popular Comparisons
The top three of Mattermost’s competitors in the Internal Communications category are Slack with 93.47%, monday.com with 4.20%, Bitrix24 with 1.54% market share.
Mattermost vs Slack
Mattermost vs monday.com
Mattermost vs Bitrix24
Mattermost vs Beekeeper
Mattermost vs Staffbase
Mattermost vs MyHub Intranet
Mattermost vs Unily
Mattermost vs SendBird
Around the world in 2026, over 611 companies have started using Mattermost as Internal Communications tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| UST | 10,000+ | Aliso Viejo | California | United States | |
| WGU Advancement | 10,000+ | Salt Lake City | Utah | United States | |
| CACI International Inc | 10,000+ | Reston | Virginia | United States | |
| Northrop Grumman | 10,000+ | Falls Church | Virginia | United States | |
| ANSC - Civil Security Digital Agency | 10,000+ | Paris | Ile-de-France | France | |
| RTE | 10,000+ | Dublin | Leinster | Ireland | |
| TemplateMonster | 10,000+ | Fort Lauderdale | Florida | United States | |
| Raiffeisen Bank International AG | 10,000+ | Vienna | Vienna | Austria | |
| Universitas Islam Indonesia | 10,000+ | Sleman | Yogyakarta | Indonesia | |
| Airbus | 10,000+ | Blagnac | Occitanie | France |
The top three products and services offering customers that use Mattermost for Internal Communications are Software Development (34), Cybersecurity (29), Digital Transformation (28).
Customers
The majority of Mattermost's customers for the internal-communications category fall in the company size of 10,000+ employees (141 companies), 100 - 249 employees (105 companies), 20 - 49 employees (94 companies).
Employee Size
The top three geographies of Mattermost for internal-communications are the United States with 220(48.03%), France with 77(16.81%), Germany with 38(8.30%) customers respectively.
Customers
Find answers to the most often asked questions by users.
Who are the top Mattermost competitors?
Mattermost’s Top competitors in the internal-communications category are Slack, monday.com, Bitrix24. You can view a full list of Mattermost competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Mattermost and 40,000 other technologies on the internet. You can also compare Mattermost and its feature with top competitors here : Mattermost vs Slack Mattermost vs monday.com Mattermost vs Bitrix24.
What is Mattermost customer distribution based on company size?
What is Mattermost market share in the internal-communications?
What are the top countries that use Mattermost?
What are the top industries that use Mattermost?
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