A modern, portable, easy to use crypto library
An implementation of the IETF QUIC protocol
A dead simple tool to sign files and verify digital signatures
AWS Encryption SDK for C
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Hash Calculator
A powerful tool for cracking the Vigenère cipher
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
FIDO® Certified StrongKey FIDO Server (SKFS)
Offline-first cybersecurity and system learning platform (Flutter)
Gestor Certificats Digitals
yubikey-agent is a seamless ssh-agent for YubiKeys
Centralized signing and verification
Halimede Certificate Authority
Easy to use PKI library
A Python3 Password Manager, with encryption and without connection
Cryptographically secure random password/passphrase generator
Base64 encode (or decode) files of any type with this lightweight tool
FIDO strong authentication, encryption, digital signature engine
FIDO-enabled, cloud file encryption with centralized key management.
MikroLock reads and writes encrypted miniLock files