The goal is to easily configure your favorite Linux distribution as a router using the web UI

Lightweight, performant interactive network connection monitor with friendly service names

Tailscale tray menu and UI for the KDE Plasma Desktop

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TCP-Playground — A compact, cross-platform Python toolkit for learning and testing TCP client/server communication. Includes host.py (server), clint.py (client), and net_utils.py with parsing, validation, and optional TLS helpers. Run interactively or via CLI for quick LAN experiments; unit tests cover validation utilities.

Versatile tool designed for network administration, providing a wide range of useful calculations.

A JavaScript application that implements the IP Info API to look up your IP address and return a few other details including hostname, ISP and location info.

This is an outgoing port tester that allows you to test if you're able to reach the webserver from your network. It helps determine if the outgoing port is able to facilitate a TCP three-way handshake.

IP Geolocator fetches detailed location info for any IP address using APIs, with animated output for a cool user experience.

A silent SYN scanner.

Networking Toolbox is a collection of free, open-source networking utilities designed to simplify common network-related tasks for system administrators and network engineers.

This guide provides step-by-step instructions to enable Telnet access on the ZTE MF286R router with stock firmware. It also includes advanced options for flashing OpenWRT firmware and recovering the router via a serial connection. Proceed with caution, as some actions may result in bricking the device.

Collect and expose distributed networking metrics to your prometheus instance

A simple network manipulation application. Allows users to dynamically drop, drop a percentage of, or add latency to packets matching a user-defined or pre-compiled filter.

k1t is a network utility, that contains several tools, including a packet-sniffer. To use the packet-sniffer, make sure you're root.

Linux vless:// client with ping/speed test, live traffic metrics, system proxy toggle, and built-in diagnostics (PyQt6 + Xray-core).

A Python toolkit for Linux to automatically optimize TCP settings and network performance based on your current activity.

NeXnetInt: Utility for switching network interfaces with optimized connectivity, seamless transitions, and leak prevention.

ProxyCheckTool is a Python script that validates and tests proxies for connectivity and performance. It supports multiple proxy types and provides detailed logging and reporting of valid and invalid proxies.

Advanced DNS Changer for Windows