Top Go GitHub Repositories & Open Source Projects (2026)

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

Lightweight server monitoring with historical data, docker stats, and alerts.

Open-source, self-hosted note-taking tool built for quick capture. Markdown-native, lightweight, and fully yours.

A fast, single-binary qBittorrent web UI: manage multiple instances, automate torrent workflows, and cross-seed across trackers.

Standardized Distributed Generative and Predictive AI Inference Platform for Scalable, Multi-Framework Deployment on Kubernetes

An open source, self-hosted implementation of the Tailscale control server

LocalAI is the open-source AI engine. Run any model - LLMs, vision, voice, image, video - on any hardware. No GPU required.

The missing open-source Kubernetes UI with a built-in MCP server for AI agents. See what's broken, why, and what changed. Issues, Topology, event timeline, Helm, GitOps, live service traffic, and cluster audits - all in one Go binary.

Async-first agent harness

Secure environments for developers and their agents

A self-hosted AI platform with a Go server, multi-provider routing, usage tracking and an admin console, with chat and agentic work modes.

Xray, Penetrates Everything. Also the best v2ray-core. Where the magic happens. An open platform for various uses.

Agent Substrate: the core system

:cherry_blossom: A command-line fuzzy finder

Secure MCP runtime for AI agents to operate local machines, servers, and containers with multi-device orchestration.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

A powerful little TUI framework 🏗

Linux sandboxing that doesn't get in your way

Open firmware for the Echo Show 5, 1st and 2nd gen: Alpine Linux instead of Android, no Alexa. A local Home Assistant voice satellite with its own touch screen, on-device wake word, SSH and A/B over-the-air updates.

A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.