A modern, portable, easy to use crypto library
Next Generation of ShadowsocksX
High-level cryptography interface powered by libsodium
Collection of standard and secure cryptographic algorithms
Modular, high-performance, zero-dependency cryptography stack
A dead simple tool to sign files and verify digital signatures
AWS Encryption SDK for C
Qtum Core Wallet
An implementation of the IETF QUIC protocol
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Professional password generator and manager with full Unicode support
Open source disk encryption with strong security for the Paranoid
For full, incremental, compressed and encrypted backups or archives
FIDO® Certified StrongKey FIDO Server (SKFS)
Free portable cross-platform graphical multi-user password manager
Midbar is more than just an open source password vault!
57 Hash Functions In One Program, plus each with HMAC or KMAC
A cross-platform crypto-steganography toolkit
cryptographic contract format