Open-source alternatives to Sniffglue

This application is a desktop network traffic analyzer that provides real-time monitoring and forensic inspection of data packets. By interfacing directly with low-level system drivers, it captures raw network traffic from physical or virtual adapters to identify communication patterns, track bandwidth usage, and diagnose connectivity issues. The system distinguishes itself through an immediate-mode graphical interface that rebuilds the display state every frame, ensuring high responsiveness during live data updates. It maintains performance by using asynchronous message passing to decouple t

An engine to make Tor network your default gateway

RustScan is a high-speed TCP network scanner written in Rust, designed for security reconnaissance and network mapping. It functions as an automated port discovery engine that identifies open ports on remote hosts using IPv6 addresses, CIDR ranges, or bulk input files. The tool is built for rapid surface area discovery, utilizing parallel port processing and OS-aware performance optimizations to identify active services. It allows for scan precision tuning through adjustable connection timeout thresholds and concurrent request controls to balance speed and accuracy. The system integrates wit

SSH man-in-the-middle tool

A Linux packet crafting tool.

PETEP (PEnetration TEsting Proxy) is an open-source Java application for traffic analysis & modification using TCP/UDP proxies. PETEP is a useful tool for performing penetration tests of applications with various application protocols. ⚡

Hacking Toolkit

Amass is a network attack surface mapper and reconnaissance framework designed to discover and map the external, internet-facing infrastructure of a target organization. It functions as an open source intelligence tool that identifies public network boundaries and locates hidden or forgotten subdomains to define an organization's total reachable footprint. The project utilizes passive-source data aggregation from external APIs and public databases alongside active DNS brute-forcing and recursive subdomain expansion. It employs a graph-based asset mapping system to visualize the relationships

ntopng is a web-based network traffic monitoring tool and flow data aggregator. It functions as a network security monitor, an SNMP network management system, and an industrial protocol analyzer for OT and SCADA environments. The system provides specialized inspection for industrial protocols such as Modbus, DNP3, and IEC 60870. It distinguishes itself through behavioral threat detection, encrypted traffic analysis via handshake fingerprinting, and the ability to identify hardware and operating systems using DHCP and MAC address patterns. Its broader capabilities include real-time traffic an

Claude Code skill for OWASP security best practices (2025-2026). Includes Top 10:2025, ASVS 5.0, Agentic AI security, and 20+ language-specific security quirks.

v2rayNG is an Android proxy client designed to route device network traffic through encrypted tunnels. It functions as a network routing engine that intercepts outgoing requests and applies custom traffic rules to manage connectivity and enhance user privacy. The application distinguishes itself by integrating a high-performance network proxy core, which enables complex protocol translation and traffic management directly on mobile devices. It utilizes local loopback and Unix-socket tunneling to redirect device-wide requests, maintaining persistent connectivity through native background servi

Advanced Fuzzing Library - Slot your Fuzzer together in Rust! Scales across cores and machines. For Windows, Android, MacOS, Linux, no_std, ...

Easy, painless AWS credentials on developer laptops.

v2rayN is a cross-platform graphical management suite designed to centralize the configuration and execution of multiple network proxy protocols. It functions as a unified control plane that abstracts heterogeneous proxy backends, allowing users to manage diverse network routing engines through a single interface. The platform distinguishes itself by providing a consistent management experience across Windows, Linux, and macOS, while orchestrating the lifecycle of independent proxy processes as child services. It supports specific configuration ecosystems, enabling users to organize and switc

Reverse engineering assistant that uses a locally running LLM to aid with pseudocode analysis.

This plugin for Capacitor 8 provides secure key/value storage on iOS and Android. It was originally designed to be a companion to @aparajita/capacitor-biometric-auth in order to securely store login credentials, but can be used to store any JSON data types.

This plugin for Capacitor 8 provides access to native biometry and device credentials on iOS and Android. It supports every type of biometry and every configuration option on both platforms. In addition, biometry and device credentials are simulated on the web so you can test your logic without…

This project is a comprehensive directory of software utilities, frameworks, and educational resources designed for cybersecurity competitions and offensive security research. It serves as a centralized index for tools used in cryptography, forensics, reverse engineering, and web exploitation, while providing structured materials for training and skill development. The repository distinguishes itself through a community-driven maintenance model that aggregates and organizes technical resources into a searchable, hierarchical structure. It facilitates knowledge transfer by cataloging expert pr

Trivy is a comprehensive security scanner designed to identify vulnerabilities and misconfigurations across container images, filesystems, and infrastructure as code files. It functions as a software composition analysis tool and an infrastructure security scanner, providing automated checks for CI/CD pipelines and cloud environments to ensure the integrity of the software supply chain. The tool distinguishes itself through a modular, plugin-based architecture that allows for the independent inspection of diverse targets. It utilizes a declarative policy engine to evaluate configurations agai

An encrypted gallery vault for Android devices.

Simple, fast, secure password manager

Archived Middleware for security and authorization of web apps. Project moved to https://github.com/aspnet/AspNetCore

A web application featuring some handy password tools