Browser for using Tor on Windows, Mac OS X or Linux
AdGuard browser extension
The Bitwarden browser extension vault
Browser fingerprinting library
Remote isolated browser API for security
Privacy Badger automatically learns to block invisible trackers
The browser exploitation framework project
Web Debugging Proxy for macOS, iOS, and Android
The OWASP ZAP core project
Repo for Blokada apps
Open source secure password manager
Tool to access videos, messaging, and other popular apps
Scanner detecting the use of JavaScript libraries
The source code of the In-Browser-File-Encrypter web app
zx2c4 pass manager extension for Firefox, Chrome and Opera
End-to-end encrypted cloud for photos, videos and 2FA secrets
Cross-Platform Passwords & Secrets Vault
The Ray Tracing in One Weekend series of books
The SpotBugs plugin for security audits of Java web applications
A push notification server written in Go (Golang)
The App Framework for Startups
Probably the most modern and sophisticated insecure web application
MaxKey SSO ,Leading-Edge IAM-IDaas(Identity and Access Management)