Work · alternatives · 2026

24 alternatives to Vant Chat -Ultimate privacy Post quantum

Works without servers, trusting no cloud or third parties.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Hermes▲81
A decentralized, encrypted chat app
2018 · its alternatives →
2
ADAMANT Messenger▲79
Decentralized anonymous blockchain messenger. Crypto In-Chat
2020 · adamant.im · its alternatives →
3
Secret v11▲215
Share anonymously with friends (redesigned w/ private chat)
2014 · its alternatives →
4
Keychat▲108
Start a free secure chat with anyone without signing up
2020 · its alternatives →
5
Phantom Chat Beta▲10
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 →
6
safer.chat▲61
Group end-to-end encrypted chat that respects your privacy
2019 · safer.chat · its alternatives →
7
Cryptocat▲61
In-browser encrypted chat (open source)
2014 · its alternatives →
8
CypherChat▲69
Secure. Encrypted. Peer-to-Peer. No Personal Info Sign-up.
2022 · cypherchat.app · its alternatives →
9
Shadowticks▲122
Anonymous messaging, chat in incognito mode, encryption
2023 · its alternatives →
10
StealthChat - Private Messaging▲66
Encrypted calls and chats
2017 · its alternatives →
11
Memoriq▲130
Archive and search saved conversations from ChatGPT, Claude, Gemini, and Grok in one encrypted AI chat vault.
Jun 2026 · memoriq.me · its alternatives →
12
GPTNext▲100
The coolest ChatGPT experience, no login required
2023 · its alternatives →
13
yaps[dot]chat▲94
One-time end-to-end encrypted anonymous chats
2025 · yaps.chat · its alternatives →
14
Encryptochat▲68
True end-to-end encrypted messaging.
2020 · play.google.com · its alternatives →
15
Stealthy: Secret Messenger▲87
Chat anonymously with friends & strangers
2015 · antiland.com · its alternatives →
16
Vuash▲105
Send secret messages safely.
2016 · its alternatives →
17
An Elliptic Curve-Based Secure Chat, Written Using Rust and Protobuf▲66
This is a project I made to learn more about crypto. I've also written a [post](https://vaktibabat.github.io/posts/ecurvechat/) that explains all the crypto concepts and algorithms used in the project, and how I implemented them. I'd be very glad for any feedback about both the code and the post :)
2024 · github.com · its alternatives →
18
ChatSecure iOS v4.0 – OMEMO and Signal Protocol▲107
Free and open source encrypted chat for iOS.
2017 · chatsecure.org · its alternatives →
19
Darkwire.io▲70
Instant encrypted web chat
2017 · its alternatives →
20
Evercrypted▲5
Messaging app with password encrypted messages and much more
Feb 2026 · evercrypted.com · its alternatives →
21TP
TutaCrypt, post-quantum encryption protocols for securing emails [pdf]▲15
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 →
22
yousaidthat.org▲63
Prove that you said things before anyone else
Jun 2026 · yousaidthat.org · its alternatives →
23
Chot.xyz▲71
Privacy focused chat that doesn't store your messages
2019 · chot.xyz · its alternatives →
24
Pigeon Link▲33
AI powered, global communication app - zero data retention
Jun 2026 · pigeonlink.host · 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 →