Web security concepts
Open source version of Google Authenticator (except the Android app)
Smart and safe cloud-based credential manager
Web debugging proxy based on Chrome DevTools network panel
password safe / manager for linux and windows (and mac ?) via qt
PassEncryption is designed to encrypt files and generate passwords.
A repository of LIVE malwares for malware analysis and security
A plugin to allow Import and Export in Fast KDBP format
Encrypt Your Text documents with XOR encryption
Allows you to encrypt files and plain text, then back again.
A simple example of polyalphabetic cipher in Java.
A Java application for transferring computer files in 5 letter groups
Decrypt messages encrypted with a substitution cipher
Encrypted Texts and Files!
Data Access Layer 4 Java
Two-Factor Authenticator for Windows.