Stars
A curated list of resources for learning about application security
Use the Google Authenticator App and check the code with this PHP script
Phan is a static analyzer for PHP. Phan prefers to avoid false-positives and attempts to prove incorrectness rather than correctness.
Command-line program to download videos from YouTube.com and other video sites
Metasploitable3 is a VM that is built from the ground up with a large amount of security vulnerabilities.
A virtual machine for executing programs written in Hack.
Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.