Daily updated lists of cloud, bot, and service IP ranges
Scan usernames and emails across many platforms from the CLI
A dead simple tool to sign files and verify digital signatures
Search exposed URLs from shortener services using keyword filtering
A dead simple VPN
A static analysis security vulnerability scanner for Ruby on Rails app
A lightweight and easy-to-use password manager
Single Packet Authorization, Port Knocking
Anti-Spam SMTP Proxy Server implements multiple spam filters
cross-platform (Java) file encryption and archiving tool
For full, incremental, compressed and encrypted backups or archives
Free open source password manager
PGP graphical user interface
A cross-platform crypto-steganography toolkit
UFONet - Denial of Service Toolkit
https://avgvsto.sourceforge.io
The safest way to store private data in untrusted (cloud) environments
Fast OSINT tool for discovering web profiles by username
Mine parameterized URLs from web archives for security testing
Multi-core image resizer and rotator. Go crunch 'em!
PHP code to purify & filter HTML
Mkpass - Command line Secure Password Generator
Kraken: A multi-platform distributed brute-force password cracking
A native OS X KeePass client