ShunyaMail
Simple
ShunyaMail is simple to use.
Secure
ShunyaMail uses strong encryption to secure email. It supports 4096 bits RSA, 256 bits AES and SHA512 hash.
Personal
ShunyaMail is encrypted and decrypted on a personal computer providing end-to-end encryption. A key pair is generated and securely saved on the personal computer.
Multiplatform
ShunyaMail is implemented using Go programming language. It works on Windows, macOS and Linux platforms.
Multidevice
ShunyaMail has the a web interface, making it available on any device with a web browser.
Standard
ShunyaMail is based on OpenPGP standard (RFC 4880).