The SpotBugs plugin for security audits of Java web applications
Hestia Control Panel | A lightweight and powerful control panel
OWASP Coraza WAF is a golang modsecurity compatible firewall library
An Information Security Reference That Doesn't Suck
A collection of inspiring lists, manuals, cheatsheets, blogs, hacks
Open Source PHP Framework (originally from EllisLab)
A lightweight and powerful iOS framework for intercepting HTTP/HTTPS
How to improve NGINX performance, security, and other important things
The App Framework for Startups
The privacy-first, self-hosted CAPTCHA for the modern web
Adds CORS (Cross-Origin Resource Sharing) headers support
Elide is a Java library that lets you stand up a GraphQL/JSON-API
The x-ui simplified and modified version of the script
Apache Shiro
Silverstripe CMS - this is a module for Silverstripe Framework
A growing collection of beautifully designed UI components for Go
AWS zero to hero repo for devops engineers to learn AWS in 30 Days
The Express.js Website
Probably the most modern and sophisticated insecure web application
JsAction is a small event delegation library
Open-source security framework for devs and product teams
Wapiti is a web-application vulnerability scanner
PHP strong authentication library, web interface & CLI, OATH certified
Official PHP SDK for the EmailVeritas URL Checker API
Development toolkit for Web Services and XML data bindings for C & C++