Browser for using Tor on Windows, Mac OS X or Linux
A modern, portable, easy to use crypto library
The Swiss Army knife for 802.11, BLE, IPv4 and IPv6 networks
A versatile and portable proxy for capturing HTTP/HTTPS traffic
GnuPG symmetric secrets manager using Bash
Web-based Traffic and Security Network Traffic Monitoring
Cross-Platform Passwords & Secrets Vault
Flipper Zero firmware source code
PHP secure communications library
ModSecurity v3 Nginx Connector
CTFs as you need them
Single Linux or Windows binary for secure text encryption
Extremely fast non-cryptographic hash algorithm
A lightweight and easy-to-use password manager
Sokoban with many families of puzzles provided.
Free portable cross-platform graphical multi-user password manager
A custom Debian live ISO with security tools, no GUI, only Bash.
A free Usenet server with SQL backend and RBAC.
A library for hiding the local IP address from applications.
The Best file security app.
Klotsky class block slider puzzles.
A library for secure deleting data on-the-fly