OpenSnitch

prowler

Prowler is an open-source cloud security platform that automates security and compliance across any cloud environment. It helps organizations ensure their cloud infrastructure is secure and compliant with industry standards.

Home Assistant

Home Assistant is an open-source home automation platform that prioritizes local control and user privacy. It allows users to integrate and automate various smart devices and services, providing a centralized interface for managing their home's automation needs.

mitmproxy

mitmproxy is an open‑source, console‑based proxy that lets security researchers and developers intercept, inspect, modify, and replay network traffic. It runs on Windows, macOS, Linux and can be accessed via a web UI for convenient analysis. The tool supports HTTP, HTTPS, and WebSocket protocols, offering powerful scripting capabilities in Python to automate testing and debugging. Being free and self‑hosted, it integrates easily into CI pipelines and local development environments.

Wireshark

Wireshark is an open‑source network analysis tool that captures and interactively browses traffic running on a computer network. It runs on Windows, macOS, and Linux, providing a powerful GUI for dissecting hundreds of protocols. Designed for network administrators and security professionals, Wireshark helps troubleshoot connectivity issues, detect security threats, and understand network behavior through detailed packet decoding and filtering.

KeePassXC

KeePassXC is a free and open-source password manager that allows users to securely store and manage their passwords. It is a cross-platform application that is compatible with multiple operating systems, including Windows, macOS, and Linux. KeePassXC uses end-to-end encryption to protect user data and offers a range of features to help users generate and store unique, complex passwords.

sniffnet

Sniffnet is a lightweight graphical network monitor that runs on Windows, macOS, and Linux, offering clear visualizations of bandwidth usage and protocol distribution. It helps users quickly understand what devices and applications are consuming network resources without needing deep technical expertise. The tool provides real‑time charts, detailed traffic breakdowns, and customizable filters, making it suitable for both casual home users and IT professionals who need quick insights into their network activity.