Aster Mail

End-to-end encrypted email with post-quantum cryptography, encrypted before it leaves your device.

Webfreemiumglobal

An end-to-end encrypted web email service that performs all encryption on the device before messages leave, combining PGP with post-quantum algorithms (ML-KEM-768, X3DH and Double Ratchet) to reduce the risk of store-now-decrypt-later attacks. It encrypts content, contacts, search and attachments client-side, interoperates with Gmail, and is aimed at privacy-conscious users and security-minded professionals seeking long-term confidentiality.

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