
Create iOS and Android apps with React and Ionic
Zivver
Virtru
Kiteworks
FileCap
Secure Send
Voltage SecureMail
Built for today: safer digital communication, sender identity, and proof-backed delivery.

Website, pricing, platforms and company facts side by side.
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4G
44G.ai
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| Website | reactionic.github.io | 44g.ai |
| Pricing | ||
| Company | — | Startup from Česko · 1 - 9 employees · 2026 |
| Listed in |
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44G Envelope is a system for the secure sending and secure pickup of digital messages and office documents. The email carries only instructions and a security code. The recipient buys nothing, registers nothing, and securely picks up the content after verification. It is not regular email and not...
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