Mattermost

Mattermost is an open-source, self-hostable online chat service with file sharing, search, and integrations. It is designed as an internal chat for organisations and companies, and mostly markets itself as an open-source alternative to Slack[9][10] and Microsoft Teams.

Mattermost
Screenshot
Developer(s)Mattermost Inc
Initial releaseOctober 2, 2015 (2015-10-02)
Stable release
Server5.26.0 / August 16, 2020 (2020-08-16)[1]
Mobile1.34.0 / August 12, 2020 (2020-08-12)[2]
Desktop4.5.2 / July 20, 2020 (2020-07-20)[3]
Repository
Written inGo,[4][5] JavaScript[6]
Available in16 languages
LicenseMIT License for "Mattermost Team Edition" Linux binary server compiled by Mattermost, Inc.,[7] AGPLv3 for uncompiled Mattermost server source code,[7] (Apache License 2.0 for Admin Tools and Configuration Files),[7] and Apache License 2.0 for the rest[8]
Websitewww.mattermost.com

History

The code was originally proprietary, as Mattermost was used as an internal chat tool inside SpinPunch, a game developer studio, but was later open-sourced.[10] The 1.0 was released on October 2, 2015.[11]

The project is maintained and developed by Mattermost Inc.[12] The company generates funds by selling support services and additional features that aren't in the open-source edition.

There are desktop clients for Windows, MacOS, and Linux and mobile apps for iOS and Android.

In the media, Mattermost is mostly regarded as an alternative to the more popular Slack.[13][14][15][16] It was also integrated into GitLab as "GitLab Mattermost",[17] although in 2017 GitLab acquired Gitter,[18] another popular chat tool.

gollark: Well, yes, I had to partly tear it down and rebuild it too.
gollark: It's not *needed*, but it's *cool*.
gollark: Yes.
gollark: Anyway, as well as internal defenses, I'm going to be installing more machinery, centralized-ish controls, sane backup power, and teleporters to an "offworld launch" thing to go to space.
gollark: LIES!

See also

References
  1. "Mattermost Changelog". Mattermost. Retrieved 2020-08-14.
  2. "Releases". GitHub. Retrieved 2020-08-14.
  3. "Releases". GitHub. Retrieved 2020-08-14.
  4. Baker, Jason (2017-08-17). "5 open source alternatives to Slack for team chat". Opensource.com. Retrieved 2019-04-12.
  5. Henrique, Gustavo (2019-01-27). "10 tools written in Go that every developer needs to know • Gustavo Henrique". Gustavo Henrique. Retrieved 2019-04-12.
  6. Finley, Klint (2016-03-16). "Open Sourcers Race to Build Better Versions of Slack". Wired. ISSN 1059-1028. Archived from the original on 2017-03-09. Retrieved 2019-07-15.
  7. "Mattermost's License". github.com. 2018-08-01. Retrieved 2018-12-16.
  8. "Mattermost's License". github.com. 2018. Retrieved 2018-12-16.
  9. Asay, Matt (2019-02-06). "How open source Mattermost is sneaking up on Slack's messaging empire". TechRepublic. Archived from the original on 2019-07-15. Retrieved 2019-07-15.
  10. "Why we made Mattermost an open source Slack-alternative | Mattermost". www.mattermost.org. Retrieved 2018-10-21.
  11. "Open source Slack-alternative reaches 1.0: Self-host ready, Slack-compatible, MIT licensed - Mattermost Private Cloud Messaging". Mattermost Private Cloud Messaging. 2015-10-02. Retrieved 2018-10-21.
  12. "Crunchbase". Retrieved 2018-10-21.
  13. "Quelloffene Slack-Alternative zum Selbsthosten: Mattermost 1.0 in der Kurzvorstellung". t3n News (in German). Retrieved 2018-10-21.
  14. "Mattermost - Open-Source-Alternative zu Slack". entwickler.de (in German). 2015-10-23. Retrieved 2018-10-21.
  15. "Five Open-Source Slack Alternatives » okTurtles Blog". blog.okturtles.org. Retrieved 2018-10-21.
  16. Shaw, Russley (2017-05-09). "Which Chat Platform Should I Use?". Russley Shaw. Retrieved 2018-10-21.
  17. "GitLab Mattermost, an open source on-premises Slack alternative". GitLab. 2015-08-18. Retrieved 2018-10-21.
  18. "GitLab acquires software chat startup Gitter, will open-source the code". VentureBeat. 2017-03-15. Retrieved 2018-10-21.
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