You can also look up for these other topics:
Framework
Coding Standards
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Security
Hacktoberfest
A curated list of resources for learning about application security
paragonieOWASP 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
webpwnizedThe Secure Coding Dojo is a platform for delivering secure coding knowledge.
OWASPOWSAP Damn Vulnerable Web Sockets (DVWS) is a vulnerable web application which works on web sockets for client-server communication.
interference-securityCSRF Protector library: standalone library for CSRF mitigation
mebjasthis repository is a docker containing some "XSS vulnerability" challenges and bypass examples.
moeinfatehi