Top SERVER GitHub Repositories & Tools (2026)

Next generation frontend tooling. It's fast!

AI-assisted PCB design for KiCAD 10. Native KiCAD plugin — a single Rust binary exposing 217 schematic, layout, routing, placement, design-review, and manufacturing tools to Claude, or the LLM of your choosing

An open-source, local-first writing workspace where you can write with Claude Code and Codex, drawing on your own sources and past work.

Self-hosted game stream host for Moonlight.

Flight booking system built as .NET 10 microservices with Vertical Slice Architecture, DDD, CQRS, Event Sourcing, gRPC, RabbitMQ, Wolverine, PostgreSQL, MongoDB and .NET Aspire.

🏖️ A serverless, open-source file hosting solution built on Cloudflare. Supports image hosting, secure file storage, and personal cloud drive capabilities.

The Open Context Layer for Data and AI , OpenMetadata is the open platform for building trusted data context and business semantics for humans, AI assistants, and agents.

Git with a cup of tea! Painless self-hosted all-in-one software development service, including Git hosting, code review, team collaboration, package registry and CI/CD

Customer-run client for Secure MCP Tunnel: connect private or localhost MCP servers to ChatGPT, Codex, the Responses API, and AgentKit without exposing them to the public internet.

Open Reality: phone video to AI-queryable 3D scenes. MCP tools for Claude/Codex/Cursor (npm openreality-mcp), the self-hostable broker, and the VGGT-SLAM library, in one repo. BSD-2-Clause.

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

The ripgrep of AI context: a zero-dependency C++23 CLI + MCP server for coding agents. Find what you want without reading the repo, then check you built what you meant — blast radius, tests-to-run, quality deltas. Signatures at 74.7% fewer bytes than bodies; every guess labelled, every loss published. Paddle out with a map.

Fast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read

Empowering everyone to host fast and efficient Minecraft servers

Dolt – Git for Data

Create, adapt, schedule, and track social posts. Open-source, hosted or self-hosted.

Multi-OS iPXE & Cloud-Init Hub - A high-performance, lightweight network autoinstall server for Bare-metal and Virtual Machines powered by Bun & TypeScript.

TypeSafe Jev for DeepSeek Harness, the Model Context Protocol, and plain Node: typed judgments instead of prose, offline by default.

Secure and fast microVMs for serverless computing.

The most comprehensive Claude Code guide: agentic workflows, hooks, skills, MCP servers, quizzes, and production-ready templates. 430K+ lines.