protocol-analyzer

A protocol analyzer like a wireshark on CUI. cuishark is using libwireshark to analyze packets. https://cuishark.slankdev.net

Standalone RTP sniffing tool.

Fuzz testing framework for network protocols.

Passive USB 1.1 packet sniffer using the RP2040 PIO coprocessor

Reverse engineering of the CATC USB Chief driver

ARIEC60870 is a free IEC 60870 protocol tester that explains what the device is really saying. It turns IEC 101/103/104 raw TX/RX traffic into readable frame interpretation, event logs, Smart Findings, and PDF evidence reports for FAT, SAT, commissioning, troubleshooting, homologation, certification attachments, and handover.

基于 Python + PyQt6 的多功能串口调试工具（嵌入式开发）：多协议解析、脚本引擎、自定义协议模板、多串口对比，uv 管理 + PyInstaller 打包

Cross-platform Modbus debugging tool built with Qt 6 and modern C++20 — TCP client, RTU/ASCII serial master, raw frame analyzer, TCP/UDP utilities, polling with traffic monitoring. Portable, no-install deployment.

Wireshark plugin that decodes custom TCP Protobuf messages at runtime via config/.proto (Lua and C++).

电力通信报文解析 / 组帧 / 校验 / 收发一站式桌面工具：支持南网、国网、DL/T 698.45、DLT645-2007、DLMS/HDLC（IEC 62056）、新一代载波、HDC 1.0 等 15 种协议；单帧解析、批量分析、串口与蓝牙收发、虚拟表、时序图、测试方案。Windows 免安装，MIT 开源。

Capture, inspect, and save network packets in pure Ruby.

GPON/XGS-PON OMCI Semantic Analysis Framework for ITU-T G.988 protocols (ONT Management and Control Interface).

Native IEC 61850 engineering toolkit for .NET 8: MMS client, smart IED control, reporting, GOOSE, Sampled Values, SCL and PCAP.

SPI protocol analyzer for the Texas Instruments CC1101 RF Transceiver

Providing remote control for Acute's Logic Analyzers and Digital Storage Oscilloscopes with AqVISA via gRPC

嵌入式可视化上位机(A visual host-computer for embedded systems)：拖拽框选定义私有协议，实时解析为曲线、3D 姿态与图传画面，指令工厂与控制画布实现双向闭环调试；内置能创造、能执行、能感知的 AI 助手。Windows / Linux，MIT 开源。

Native desktop debugger for OCPP charging sessions — the bench instrument of the OCPP DebugKit ecosystem. Built in Zig on the Native SDK.

Cross-platform 3GPP protocol workbench — inspect, edit & replay PFCP/NGAP/GTP-U/NAS/S1AP/Diameter packets. FOSS, free & unlimited.

Cross-platform BLE debugging assistant for hardware engineers. Built with UniApp + Vue3 + TypeScript. Features real-time HEX/ASCII communication, GATT service tree, notify subscriptions, quick commands, and log export. Supports Android & iOS with dark/light themes and Chinese/English bilingual UI.

An MCP server that provides LLM-driven control of the Digilent Analog Discovery 3 via the WaveForms SDK. Enables AI assistants to capture oscilloscope waveforms, generate signals, perform logic analysis, and interact with mixed-signal test instruments programmatically.