Alternatives

Products that do what Matterhorn, a terminal-based chat client for Mattermost does

1. 1IM
   I made a command-line Slack chat client▲90

   2015 · github.com

2. 2SA
   Subway, a persistent web client for IRC▲84

   2012 · github.com

3. 3AC
   A chat client built on git▲81

   2016 · github.com

4. 4PI
   pion/ion, self-hosted conferencing software with single command deploy▲124

   2020 · github.com

5. 5
   Matterhorn▲163

   Simple and light-weight project management tool

   2015

6. 6EA
   Eul – a lightweight desktop client for Skype, Slack, Gmail, and more▲111

   2017 · eul.im

7. 7
   HiveFlux + Slack▲93

   Real-time task management meets real-time communication

   2015

8. 8OS
   Open-source conversational platform and unified messaging APIs▲103

   2021 · airy.co

9. 9IN
   InstaNote – notes in a simple chat interface▲89

   2020 · instanote.io

10. 10MJ
    Msngr.js, a messaging library for JavaScript▲32

    2015 · github.com

11. 11CA
    Convos, a OSS persistent IRC web client built using Mojo and Redis▲47

    2013 · convos.by

12. 12AC
    A command line Slack chat client▲11

    2017 · github.com

13. 13TB
    Terminal-based group chat with end-to-end encryption▲60

    2013 · github.com

14. 14PA
    Pagerbot, a chat bot for managing PagerDuty on-call schedules▲67

    2014 · stripe.com

15. 15PG
    Persistent Group Chat in kdb+/k/q▲45

    2015 · github.com

16. 16TI
    TalkJS – Integrated messaging for web and mobile products▲44

    2017 · talkjs.com

17. 17KA
    Kwak, a real-time discussion platform▲33

    2015 · kwak.io

18. 18FP
    First Python project: Spaceship – chat and file streaming in Terminal▲7

    2015 · github.com

19. 19ES
    Erlbus – scalable pub/sub message bus written in Erlang▲54

    2015 · cabol.github.io

20. 20FO
    Fosscord – open-source and selfhostable alternative to discord▲40

    2021 · fosscord.com

21. 21BA
    Blackpage – A Social Network for the Command Line▲20

    2019 · github.com

22. 22GI
    Gossipr.io – Ephemerial and Linkable Group Chats▲21

    2019 · gossipr.io

23. 23IC
    I created a minimal, secure, terminal native chat application▲7

    2022 · github.com

24. 24AD
    A Decentralized Chat Using JavaScript and Rust (WebAssembly)▲6

    2019 · perlin-network.github.io

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