Like nmap for mapping wifi networks you're not connected to, plus device tracking

Scalable Distributed Game Server Engine with Hot Swapping in Golang

Secure client/server protocol for multiplayer games built on top of UDP

Cross-platform, low level networking using the Rust programming language.

High-level, multiplatform C++ network packet sniffing and crafting library.

❄️ PcapXray - A Network Forensics Tool - To visualize a Packet Capture offline as a Network Diagram including device identification, highlight important communication and file extraction

Terminal Network scanner & diagnostic tool with modern TUI

Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets

Parse and serialize minecraft packets, plus authentication and encryption.

Provides read and write access to the Minecraft protocol with Bukkit.

PyExfil — Python 3 toolkit for researching and stress-testing data exfiltration techniques across network, physical, and steganographic channels. For red team simulation and DLP detection testing.

🤒 A modern alternative network traffic sniffer.

Ostinato - Packet/Traffic Generator and Analyzer

Athena is a Material You (Material 3) firewall and ad blocker that works seamlessly on both rooted and non-rooted devices.

An easy experiment which uses the ESP8266 wifi module to look for near smartphones around you

C++ program to capture and display all traffic between a client and a server in minecraft

Polymorph is a real-time network packet manipulation framework with support for almost all existing protocols

Arduino library to transfer dynamic, packetized data fast and reliably via Serial, I2C, etc.

💓 Perform TCP handshake without ACK in Go, useful for health check, that is SYN, SYN-ACK, RST.

🌐 LEGO blocks for networking, a Python library to help create and test flexible network topologies across real and simulated physical links.