blockslack.io
Chat for small teams — encrypted and decentralized
blockslack.io Alternatives
The best blockslack.io alternatives based on verified products, community votes, reviews and other factors.
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Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
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Encrypted messaging app
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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.
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Easily create encrypted messages that can be shared privately or publicly. Cryptbin uses the latest and most robust encryption techniques available.
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A time-travelling messaging app
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A highly secured collaboration platform
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Know what your friends are doing and chat without typing
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GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
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Securely send passwords or sensitive data
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FusionAuth is a CIAM platform that is 100% free for unlimited users.
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Fast, simple & secure messaging. Privacy that fits in your pocket.
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Encrypted communication platform (voice/message/video)
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End-to-end encrypted chat built into Keybase
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Encrypted text and voice chat for passionate communities