Harness Open Source is an end-to-end developer platform
Autonomous harness engineering
Specification and documentation for the Universal Commerce Protocol
Interaction model for connecting buyers to complete purchases
Learn to write Rust procedural macros
Open-source software for volunteer computing and grid computing
A Model Context Protocol (MCP) server
Powerful cross-platform MQTT 5.0 desktop, CLI, and WebSocket client
Test Anything Protocol tools for node
A simple and powerful proxy
Set of tools to audit SIP based VoIP Systems
Testinfra test your infrastructures
A TLS MITM proxy for Non-HTTP traffic, with support for TLS upgrades
WalletConnect Monorepo
LLM powered fuzzing via OSS-Fuzz
Fast, well-tested and widely used WebSocket implementation for Go
An MCP server for octomind tools, resources and prompts
Pure Clojure Webdriver protocol implementation
BaikalDB, A Distributed HTAP Database
The open protocol for real-time sync to client applications
Automation for iOS, Android, and Windows Apps
A JavaScript framework for creating ambitious web applications
Onchain-focused SDK with ready-to-use templates and themes
Open-source MCP server that gives your coding agent
Headless Chrome/Chromium driver for Capybara