You can also look up for these other topics:
Framework
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Security
Hacktoberfest
A curated list of resources for learning about application security
OWASP Mutillidae II is a free, open-source, deliberately vulnerable web application providing a target for web-security training. This is an easy-to-use web hacking environment designed for labs, secu
The Secure Coding Dojo is a platform for delivering secure coding knowledge.
OWSAP Damn Vulnerable Web Sockets (DVWS) is a vulnerable web application which works on web sockets for client-server communication.
CSRF Protector library: standalone library for CSRF mitigation
this repository is a docker containing some "XSS vulnerability" challenges and bypass examples.