Mattermost
Open source Slack alternative for developers
About Mattermost
Mattermost is an open-source, self-hostable collaboration platform for developer and engineering teams. Channels, threads, calls, workflows, and integrations — without the data leaving your network. Used by US DoD, NASA, and thousands of enterprises.
Mattermost website preview
Company facts
- Category
- Open Source
- Funding stage
- Series C
- Total raised
- $65M
- Founded
- 2015
- Team size
- 500+
- HQ
- Palo Alto
- Country
- USA
- Website
- mattermost.com
Founders of Mattermost
- Ian Tien
- Corey Hulen
Investors backing Mattermost
- a16z
- Redpoint Ventures
- S28 Capital
Frequently asked questions
What does Mattermost do?
Mattermost is an open-source, self-hostable collaboration platform for developer and engineering teams. Channels, threads, calls, workflows, and integrations — without the data leaving your network. Used by US DoD, NASA, and thousands of enterprises.
Where is Mattermost based?
Mattermost is based in Palo Alto, USA.
When was Mattermost founded?
Mattermost was founded in 2015.
How much has Mattermost raised?
Mattermost has raised $65M in their Series C round.
Who founded Mattermost?
Mattermost was founded by Ian Tien, Corey Hulen.
Who has invested in Mattermost?
Mattermost is backed by a16z, Redpoint Ventures, S28 Capital.
