Dev tools · alternatives · 2026

24 alternatives to Let's Chat, a self-hosted chat app for small teams

Self-hosted chat for small teams.

Let's Chat is a self-hosted messaging application built on Node.js and MongoDB for small teams. It offers persistent messaging with features including LDAP/Kerberos authentication, a REST-like API, and XMPP support.… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Let's Chat, a self-hosted chat app for small teams launched in 2015; newer entries below may have overtaken it.

1. 1
   Let's Chat▲323

   Like Slack, but opensource and self-hosted.

   2015 · sdelements.github.io · its alternatives →

2. 2
   Hangouts Chat by Google (Early Access)▲450

   Bring your team together

   2017 · blog.google · its alternatives →

3. 3
   Hangouts Chat by Google▲546

   Intelligent team communication

   2018 · accounts.google.com · its alternatives →

4. 4
   Stream Chat▲327

   Build, code and ship in app messaging in a few hours

   2019 · getstream.io · its alternatives →

5. 5
   Chatwoot▲329

   Chatwoot is an AI-powered, open-source customer support platform. Self-host or use our cloud to manage live chat, email, WhatsApp, and social conversations.

   2021 · chatwoot.com · its alternatives →

6. 6
   Smallchat Beta▲372

   Slack integration for chatting with visitors to your website

   2017 · small.chat · its alternatives →

7. 7
   Chat▲88

   turn your backend into a chat app instantly

   Mar 2026 · github.com · its alternatives →

8. 8
   Open Source alternative to services like Intercom.io and Smooch▲163

   Client library for Minimal Chat. Contribute to minimalchat/client development by creating an account on GitHub.

   2017 · github.com · its alternatives →

9. 9
   KoiHi▲97

   Make your own WhatsApp with E2EE self hosted chat solution

   2023 · koihi.com · its alternatives →

10. 10
    SocialChat by Buffer▲214

    Start conversations on your site. Keep them going on social.

    2018 · buffer.com · its alternatives →

11. 11
    I made a self-hosted ChatGPT UI▲141

    An open-source ChatGPT app with a voice. Contribute to cogentapps/chat-with-gpt development by creating an account on GitHub.

    2023 · github.com · its alternatives →

12. 12
    Node.js Messenger▲140

    A small alternative to Slack

    2017 · totaljs.com · its alternatives →

13. 13
    Chatfully▲145

    All-in-one chat tool for teams: texting, web chat, & more

    2021 · trychatfully.com · its alternatives →

14. 14MC
    Mogo Chat – open-source team chat app written in Elixir and Ember.js▲140

    2014 · getmogochat.com · its alternatives →

15. 15
    Chat'Inn▲69

    Miminal, Clean and Realtime Global Chat Application

    2022 · chat-inn.vercel.app · its alternatives →

16. 16
    Mantle Chat▲298

    Collaboration platform where teams work with AI together

    May 2026 · mantle.chat · its alternatives →

17. 17
    Smallchat 2.0▲202

    Slack app for chatting with visitors to your website.

    2018 · small.chat · its alternatives →

18. 18
    Base Chat▲239

    The simplest way to chat with your knowledge base

    2025 · ragie.ai · its alternatives →

19. 19
    blockslack.io▲78

    Chat for small teams — encrypted and decentralized

    2019 · blockslack.io · its alternatives →

20. 20
    Chaton▲88

    1:1 video chat P2P open source

    2021 · its alternatives →

21. 21
    Push Chat▲113

    Your decentralized, uncensorable & web3-native chat solution

    2023 · app.push.org · its alternatives →

22. 22DL
    Distributed – Live social chat app to help remote teams stay in sync▲47

    2021 · joindistributed.com · its alternatives →

23. 23
    MinChat▲71

    chat sdk to build in-app chat functionality within minutes

    2022 · its alternatives →

24. 24DI
    Drop-In Chat – Chatify your app▲49

    2014 · dropinchat.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →