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Curated tools, case studies and papers for reverse engineering websites, games, apps, binaries, firmware and protocols. Source-reviewed, English and Chinese.

Open source GPS tracking platform - self-hosted or managed, 200+ device protocols

Adobe InDesign Installer with Enhanced Security Protocols for Secure Digital Asset Deployment

dnscrypt-proxy 2 - A flexible DNS proxy, with support for encrypted DNS protocols.

V2Ray config collector, multiple protocols support Mix, Reality, VLESS, VMESS, Shadowsocks, Trojan

Advanced Xray Panel Support Multi Protocols

Epistemic protocols for Claude Code — structure human-AI interaction quality at every decision point - https://epistemic-protocols.com

An implementation of the TLS/SSL protocols

Infrared remote library for Arduino: send and receive infrared signals with multiple protocols

🔑 A Ruby wrapper for OAuth 1.0, and 1.0a protocols; clients & servers

SuperSocket is a high-performance, extensible socket server application framework for .NET. It provides a robust architecture for building custom network communication applications with support for multiple protocols including TCP, UDP, and WebSocket.

C++ implementation of SIP, ICE, TURN and related protocols.

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

An asynchronous event driven PHP socket framework. Supports HTTP, Websocket, SSL and other custom protocols.

XiPKI: Compact open source PKI (CA, OCSP responder, certificate protocols ACME, CMP, EST, SCEP), with full support of PQC MLDSA (Dilithium) and MLKEM (Kyber).

Impacket is a collection of Python classes for working with network protocols.

Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/

mailio is a cross platform C++ library for MIME format and SMTP, POP3, IMAP protocols. It is based on the standard C++ 17 and Boost library.

Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

Performance comparison of the most popular C++ serialization protocols such as Cap'n'Proto, FastBinaryEncoding, Flatbuffers, Protobuf, JSON

Fast, multi-protocol credential brute-forcer. Parses Nmap, Nessus, and Nexpose output to automatically test default and custom credentials across 30+ protocols.

A network load-balancer implementation for Kubernetes using standard routing protocols

The Data Transfer Project makes it easy for platforms to build interoperable user data portability features. We are establishing a common framework, including data models and protocols, to enable direct transfer of data both into and out of participating online service providers.

Constantine: modular, high-performance, zero-dependency cryptography stack for verifiable computation, proof systems and blockchain protocols.

mangos is a pure Golang implementation of nanomsg's "Scalablilty Protocols"

Easy XML parsing using Codable protocols in Swift

Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

Simulator of QUantum Network Communication (SeQUeNCe) is an open-source tool that allows the modeling of quantum networks including photonic network components, control protocols, and applications.

CatSniffer is an original multiprotocol and multiband board for sniffing, communicating, and attacking IoT (Internet of Things) devices using the latest radio IoT protocols. It is a highly portable USB stick that integrates TI CC1352, Semtech SX1262, and an RP2040 for V3 or a Microchip SAMD21E17 for V2

Modbus library for RTU, ASCII and TCP protocols. Primarily developed on and for ESP32 MCUs.