Protoc

Production-Grade Container Scheduling and Management

Model Context Protocol Servers

The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.

The Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

Protocol Buffers - Google's data interchange format

Rust full node implementation of the Fuel v2 protocol.

Go implementation of the Ethereum protocol

A pure Unix shell script ACME client for SSL / TLS certificate automation

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

Never stop coding. Free MIT AI gateway: one endpoint, 330+ providers (90+ free), 1200+ models — Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 320+ contributors

C++ based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

Xray panel supporting multi-protocol multi-user expire day & traffic & IP limit (Vmess, Vless, Trojan, ShadowSocks, Wireguard, Hysteria, Tunnel, Mixed, HTTP, Tun, MTProto)

aria2 is a lightweight multi-protocol & multi-source, cross platform download utility operated in command-line. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

Write HTML. Render video. Built for agents.

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI

The Frontend Stack for Agents & Generative UI. React, Angular, Mobile, Slack, and more. Makers of the AG-UI Protocol

Reference implementation of Anoma

Certbot is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server. It can also act as a client for any other CA that uses the ACME protocol.

OmX - Oh My codeX: Your codex is not alone. Add hooks, agent teams, HUDs, and so much more.

Main repository for the Linera protocol

Scalable datastore for metrics, events, and real-time analytics

CLI tool for configuring and monitoring Claude Code

Hey is a decentralized and permissionless social media app built with Lens Protocol 🌿

Like Prometheus, but for logs.

Machine Learning Systems

🚀 The fast, Pythonic way to build MCP servers and clients.

Beads - A memory upgrade for your coding agent

Community plugin to control Blender 3D with any LLM of your choice

HomeKit support for the impatient.

Agent2Agent (A2A) is an open protocol enabling communication and interoperability between opaque agentic applications.

FHEVM, a full-stack framework for integrating Fully Homomorphic Encryption (FHE) with blockchain applications

eBPF-based Networking, Security, and Observability

The official Python SDK for Model Context Protocol servers and clients

Hysteria is a powerful, lightning fast and censorship resistant proxy.

Cross-platform automation framework for all kinds of apps, built on top of the W3C WebDriver protocol

Eclipse Theia is a cloud & desktop IDE framework implemented in TypeScript.

An open and reliable container runtime

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

An open source cybersecurity protocol for syncing decentralized graph data.

Simple, secure & standards compliant web server for the most demanding of applications

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

:zap: KCP - A Fast and Reliable ARQ Protocol

The most RAM efficient harness

The most scalable and reliable MQTT broker for AI, IoT, IIoT and connected vehicles

FoundationDB - the open source, distributed, transactional key-value store

The systemd System and Service Manager