Take it like a gift

An open-source user mode debugger for Windows for reverse engineering and malware analysis.

Fileshare auditing tool.

Reverse shell based on sshd supporting DNS and ICMP tunnelling as well as HTTP and Socks proxies.

Fuzz Cross-Origin Resource Sharing implementations for common misconfigurations.

Search for sensitive data in Postman public library.

Identifies server-side prototype pollution vulnerabilities.

Script that dumps employee data from the LinkedIn social networking platform.

Investigate malicious Windows logon by visualizing and analyzing Windows event log.

Unix binaries that can be used to bypass local security restrictions in misconfigured systems.

The Damn Vulnerable Router Firmware project.

Utility to embed XXE and XSS payloads in docx, odt, pptx...

An automated dynamic malware analysis system.

Browser fingerprinting library.

OSINT tool to find usernames across 80+ social media and social networking sites.

Performs security oriented safety checks relevant from offensive/defensive security perspectives.