blockslack.io
Chat for small teams — encrypted and decentralized.
Some of the top features or benefits of blockslack.io are: Decentralization, Privacy, Community-driven, and Transparency. You can visit the info page to learn more.
Best blockslack.io Alternatives & Competitors in 2025
The best blockslack.io alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/crypho-alternativesEnd-to-end-encrypted messaging and file sharing
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/keybase-chat-alternatives
End-to-end encrypted chat built into Keybase
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Visit websiteClean up email-address lists of any size or use our powerful API for real-time verification.
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/earlynote-alternativesA time-travelling messaging app
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/chadder-alternatives
Encrypted messaging app
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/signal-alternativesFast, simple & secure messaging. Privacy that fits in your pocket.
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/aliceandbob-io-alternatives
A free, light and easy to use client-side PGP tool 🔐
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/wire-by-ey-alternatives
A highly secured collaboration platform
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/seald-alternativesKeep your conversations secure, everywhere.
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/telegram-alternativesTelegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
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/tox-alternativesSend messages, files, create groups and make Tox to Tox audio and video calls. Securely.
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/subrosa-alternativesEncrypted communication platform (voice/message/video)
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/notifyxf-alternativesSend notification to yourself in Telegram
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/secure-send-alternatives
Securely send passwords or sensitive data
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