Security Tools & Software

Security tools, password managers, VPNs, auth services.

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WhatWeb

github

Next generation web scanner

Ruby
★ 6,562

bugbounty-cheatsheet

github

A list of interesting payloads, tips and tricks for bug bounty hunters.

★ 6,467

Security-101

github

8 Lessons, Kick-start Your Cybersecurity Learning.

★ 6,438

linux-kernel-exploitation

github

A collection of links related to Linux kernel security and exploitation

★ 6,434

cowrie

github

Cowrie SSH/Telnet Honeypot https://docs.cowrie.org/

Python
★ 6,336

Hacking-Security-Ebooks

github

Top 100 Hacking & Security E-Books (Free Download)

★ 6,336

faraday

github

Open Source Vulnerability Management Platform

Python
★ 6,333

NetAlertX

github

Centralized network visibility and continuous asset discovery. Monitor devices, detect change, and stay aware across distributed networks.

Python
★ 6,324

fleet

github

Open device management

Go
★ 6,319

awesome-security-hardening

github

A collection of awesome security hardening guides, tools and other resources

★ 6,290

cloudmapper

github

CloudMapper helps you analyze your Amazon Web Services (AWS) environments.

JavaScript
★ 6,281

MISP

github

MISP (core software) - Open Source Threat Intelligence and Sharing Platform

PHP
★ 6,270

bromite

github

Bromite is a Chromium fork with ad blocking and privacy enhancements; take back your browser!

★ 6,247

osmedeus

github

A Modern Orchestration Engine for Security

Go
★ 6,221

suricata

github

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.

C
★ 6,217

lldap

github

Light LDAP implementation

Rust
★ 6,212

gitrob

github

Reconnaissance tool for GitHub organizations

Go
★ 6,167

syzkaller

github

syzkaller is an unsupervised coverage-guided kernel fuzzer

Go
★ 6,149

Anthropic-Cybersecurity-Skills

github

754 structured cybersecurity skills for AI agents · Mapped to 5 frameworks: MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND & NIST AI RMF · agentskills.io standard · Works with Claude Code, GitHub Copilot, Codex CLI, Cursor, Gemini CLI & 20+ platforms · 26 security domains · Apache 2.0

Python
★ 6,004

pspy

github

Monitor linux processes without root permissions

Go
★ 5,999

openbao

github

OpenBao is a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys.

Go
★ 5,998

curl-impersonate

github

curl-impersonate: A special build of curl that can impersonate Chrome & Firefox

Python
★ 5,984

hackerone-reports

github

Top disclosed reports from HackerOne

Python
★ 5,962

MifareClassicTool

github

An Android NFC app for reading, writing, analyzing, etc. MIFARE Classic RFID tags.

Java
★ 5,949