Open-source ESP32 firmware that turns a board into a multi-protocol hardware hacking tool with a serial or web-based CLI.
Sunshine fork: an enhanced sunshine, a self-hosted game streaming host for Moonlight with HDR10/HDR Vivid, virtual displays, advanced audio, optimized encoders, and a modern control panel.
A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal Engine through the native C++ Automation Bridge plugin. Built with TypeScript and C++.
Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
A fork of Windows Terminal with native agent integration, right in your command line.
Protocol Buffers - Google's data interchange format
Feed reader (podcast player, basic XMPP client and also Gemini protocol client) which supports RSS/ATOM/JSON and many web-based feed services.
Simple, secure & standards compliant web server for the most demanding of applications
Verible is a suite of SystemVerilog developer tools, including a parser, style-linter, formatter and language server
Unreal Engine Vibe Coding tool
Ghost Desktop Protocol - headless Wayland remote desktop streaming
Tendis is a high-performance distributed storage system fully compatible with the Redis protocol.
Read the wired or wireless mbus protocol to acquire utility meter readings.
Linphone is a free VoIP and video softphone based on the SIP protocol. Mirror of git://git.linphone.org/linphone-desktop.git
Infrared remote library for Arduino: send and receive infrared signals with multiple protocols
Mcrouter is a memcached protocol router for scaling memcached deployments.
MailCore 2 provide a simple and asynchronous API to work with e-mail protocols IMAP, POP and SMTP. The API has been redesigned from ground up.
Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution
OpenVPN 3 is a C++ class library that implements the functionality of an OpenVPN client, and is protocol-compatible with the OpenVPN 2.x branch.
Open-source implementation of advanced blockchain features extending the Bitcoin protocol
IDA plugin and loader for UEFI firmware analysis and reverse engineering automation
Monero (XMR) Stratum protocol proxy
C++ program to capture and display all traffic between a client and a server in minecraft
ROBOTIS Dynamixel SDK (Protocol1.0/2.0)
ΞΌWebSockets for Node.js back-ends :metal:
Decentralized cryptocurrency blockchain daemon implementing the XRP Ledger protocol in C++
C/C++/ObjC language server supporting cross references, hierarchies, completion and semantic highlighting
OpenThread released by Google is an open-source implementation of the Thread networking protocol
A network library for client/server games written in C++
Multiprotocol TX Module (or MULTI-Module) is a 2.4GHz transmitter module which controls many different receivers and models.
An implementation of the QUIC transport protocol.
Nix language server, based on nix libraries [maintainer=@inclyc,@takeokunn,@Aleksanaa]
A high-performance Internet Relay Chat (IRCv3) server for UNIX-like and Windows systems
Export disassemblies into Protocol Buffers
π¦ eCAL - enhanced Communication Abstraction Layer. A high performance publish-subscribe, client-server cross-plattform middleware.
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift
FHIR Protocol Buffers
Implementation of the Jupyter kernel protocol in C++
C++ implementation of SIP, ICE, TURN and related protocols.
Reference implementation of the Peercoin protocol.
OpenThread Border Router, a Thread border router for POSIX-based platforms.
INET Framework for the OMNeT++ discrete event simulator
C++ interfaces used to communicate with Roq's market gateways.
Modbus library for RTU, ASCII and TCP protocols. Primarily developed on and for ESP32 MCUs.
A fast, portable, and easy to use Oblivious Transfer Library
Matter protocol universal AC controller on an ESP32, works with all the brands, no App install, no account creating, works directly with Apple Home, Google Home, and Home Assistant.
A small .NET library for splitting binary data streams into complete protocol frames. It handles partial and combined packets, configurable length fields, noise recovery, XOR, and CRC16-Modbus validation.
Packet decode diagnostics for the Minecraft: Bedrock Edition client on Windows
Clean-room, original-protocol-compatible reimplementation of the Interception keyboard/mouse kernel driver's IOCTL protocol for Windows 11.
A header-only C++ library for interacting with crypto exchanges. Bindings for Python, Java, C#, Go, and Javascript are provided.
SoniCloud Recorder SDK is an open-source reference project for integrating BLE recorder hardware across Android, iOS, HarmonyOS, Flutter, Windows, and macOS. It includes SDK examples, recording control, real-time audio, file transfer, offline transcription, protocol tools, and vendor adaptation support.