Work · alternatives · 2026

24 alternatives to blockslack.io

Chat for small teams — encrypted and decentralized

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. blockslack.io launched in 2019; newer entries below may have overtaken it.

1. 1
   Let's Chat, a self-hosted chat app for small teams▲350

   Self-hosted chat for small teams.

   2015 · sdelements.github.io · its alternatives →

2. 2
   Hangouts Chat by Google▲546

   Intelligent team communication

   2018 · accounts.google.com · its alternatives →

3. 3
   Hangouts Chat by Google (Early Access)▲450

   Bring your team together

   2017 · blog.google · its alternatives →

4. 4
   Timski▲61

   Decentralized group chat

   2018 · apps.apple.com · its alternatives →

5. 5
   OI Chat▲63

   Chat and collaboration network for Blockstack users

   2019 · chat.openintents.org · its alternatives →

6. 6
   ADAMANT Messenger▲79

   Decentralized anonymous blockchain messenger. Crypto In-Chat

   2020 · adamant.im · its alternatives →

7. 7
   Bloc▲360

   Turn your knowledge base to AI chat in 2 minutes and share

   2023 · its alternatives →

8. 8
   Let's Chat▲323

   Like Slack, but opensource and self-hosted.

   2015 · sdelements.github.io · its alternatives →

9. 9
   Blockstack▲128

   A new internet for decentralized apps

   2016 · blockstack.org · its alternatives →

10. 10
    Blockstack Browser▲378

    A gateway to a new, decentralized internet

    2017 · blockstack.org · its alternatives →

11. 11
    Mantle Chat▲298

    Collaboration platform where teams work with AI together

    May 2026 · mantle.chat · its alternatives →

12. 12
    Buzz▲161

    Your people, your agents, your project — all in one place

    Jul 2026 · buzz.xyz · its alternatives →

13. 13
    safer.chat▲61

    Group end-to-end encrypted chat that respects your privacy

    2019 · safer.chat · its alternatives →

14. 14
    Blockstack Browser for the Web▲145

    A browser to explore a new internet for decentralized apps

    2017 · browser.blockstack.com · its alternatives →

15. 15
    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 →

16. 16
    Blockvault▲122

    🔐Decentralized password manager for teams on Blockstack

    2018 · blockvault.site · its alternatives →

17. 17
    BitClout▲237

    A crypto social network

    2021 · bitclout.com · its alternatives →

18. 18
    Stealthy▲94

    Messaging with blockchain identity and user controlled data

    2018 · stealthy.im · its alternatives →

19. 19
    Blocky▲90

    An all-in-one cryptocurrency bot

    2018 · chainlabs.ai · its alternatives →

20. 20
    A decentralized social network with end-to-end encryption▲167

    2016 · github.com · its alternatives →

21. 21
    IDChats▲84

    A decentralized application for live messages

    2022 · its alternatives →

22. 22
    Signature Bounties: Encrypted P2P Messaging▲13

    Encrypted P2P messaging with user controlled data

    2018 · eventbrite.com · its alternatives →

23. 23
    OI Chat▲68

    Connect users across blockchains

    2019 · chat.openintents.org · its alternatives →

24. 24
    Hermes▲81

    A decentralized, encrypted chat app

    2018 · 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 →