Dev tools · alternatives · 2026
24 alternatives to theSHFT
Private messaging with post quantum encryption. No phone
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1

filippo.io/mlkem768 is a pure-Go implementation of the post-quantum key exchange mechanism ML-KEM-768 optimized for correctness and readability.
2024 · words.filippo.io · its alternatives →
- 2

A calculator that's secretly an encrypted messenger.
Mar 2026 · apps.apple.com · its alternatives →
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Completely private chat email, w/ encrypted email messaging
2017 · spikenow.com · its alternatives →
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Messaging app with password encrypted messages and much more
Feb 2026 · evercrypted.com · its alternatives →
- 6

End-to-end encryption messaging platform
2017 · keybase.io · its alternatives →
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- 8

Secure Anonymous SMS in the cloud (and a phone number)
2018 · crypton.sh · its alternatives →
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VEIL is a private, end-to-end encrypted messenger: hardware-backed keys that never leave your device, Nothing at Rest wipe, duress wipe, and post-quantum hybrid encryption (X25519 + ML-KEM-768).
13d ago · tryveil.app · its alternatives →
- 11

Every technical claim on veilusdigital.co mapped to the Swift source file that implements it. Verified, fact-checkable, honest about what is and isn
Jun 2026 · veilusdigital.co · its alternatives →
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Tor Messenger▲117The easiest app yet for anonymous, encrypted IM
2015 · blog.torproject.org · its alternatives →
- 14

Build privacy-first apps on Firebase
2018 · virgilsecurity.com · its alternatives →
- 15
Cryptoshift▲71End-to-end push technology encryption for the 21st century.
2015 · crypto.kwikdesk.com · its alternatives →
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- 17EE
Hi HN, we have recently completed a research project on how to encrypt emails with post-quantum secure algorithms as well as Forward Secrecy. We'd love to hear your feedback and discuss technical issues. The paper can be found here: https://eprint.iacr.org/2021/875
2021 · its alternatives →
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Decentralized anonymous blockchain messenger. Crypto In-Chat
2020 · adamant.im · its alternatives →
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- 21TP
Hi HN, we are the developers from Tuta (formerly Tutanota), the German end-to-end encrypted email provider, and we recently released the world's first post-quantum encryption for email. We have included a full technical write-up of the cryptography involved in these changes and we have released it for open public review. This document specifies TutaCrypt, a protocol designed for hybrid email encryption in Tuta Mail. The protocol combines a classical Elliptic-Curve-Diffie-Hellman key exchange with a post-quantum KEM. The goal is to replace the usage of RSA in Tuta Mail. In the remainder of…
2024 · tuta.com · its alternatives →
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Send high-encrypted self-destructing messages in iMessage
2019 · apps.apple.com · its alternatives →
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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 →