Multi-platform transparent client-side encryption for your cloud files
Qtum Core Wallet
AWS Encryption SDK for Dafny
GnuPG 2.2, 2.3 and 2.4 distributions for OS X / macOS
Managed .NET wrapper for unmanaged PKCS#11 libraries
Standalone desktop app from the Midbar project
Open-source PureBasic implementation of the Shamir Secret Sharing
Robust and flexible VPN network tunnelling
Free portable cross-platform graphical multi-user password manager
Open-source code that enables you to use AES in CBC mode
Anubis Involutional 128-bit SPN Block cipher Encryption Tool
Web application to register FIDO keys from TLS ClientAuth sessions
OpenSC - tools and libraries for smart cards
Cipherbox is a vault that utilizes six encryption algorithms.
GUI tool for administration of PKCS#11 enabled devices
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Smart card events and smart cards information tracker
Stanford Javascript Crypto Library
The best cryptography playground available
Open Source PKI solutions