Software Alternatives, Accelerators & Startups

blockslack.io

Chat for small teams — encrypted and decentralized.

Best blockslack.io Alternatives & Competitors in 2024

The best blockslack.io alternatives based on verified products, community votes, reviews and other factors.
Filter: 9 Open-Source Alternatives. Latest update:

  1. End-to-end encrypted chat built into Keybase

    /keybase-chat-alternatives
  2. End-to-end-encrypted messaging and file sharing

    /crypho-alternatives
  3. VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

    Try for free paid Free Trial $4.99 / Monthly (User)

    Try for free
  4. Fast, simple & secure messaging. Privacy that fits in your pocket.

    Open Source

    /signal-alternatives
  5. A time-travelling messaging app

    /earlynote-alternatives
  6. Encrypted messaging app

    /chadder-alternatives
  7. A free, light and easy to use client-side PGP tool 🔐

    /aliceandbob-io-alternatives
  8. A highly secured collaboration platform

    /wire-by-ey-alternatives
  9. Keep your conversations secure, everywhere.

    /seald-alternatives
  10. Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

    Open Source

    /telegram-alternatives
  11. Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

    Open Source

    /tox-alternatives
  12. Client-side encrypted chat with asymmetric encryption

    /xifrem-chat-alternatives
  13. Encrypted communication platform (voice/message/video)

    /subrosa-alternatives
  14. Send notification to yourself in Telegram

    /notifyxf-alternatives
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