Best open-source Go projects

A CLI tool that finds leaked credentials across Git, cloud storage, chat and other sources, and checks whether each one is still live.

A self-hosted home server gateway and manager that adds reverse proxy, SSO/2FA authentication, anti-bot and anti-DDoS protection to your apps.

Terminal UI tool written in Go that discovers and explores devices on your local network using mDNS, SSDP, and ARP.

DBLab Engine creates thin clones and branches of PostgreSQL databases in seconds, for dev, test, and CI/CD environments.

A terminal API client for HTTP, GraphQL, gRPC and WebSocket that keeps requests as plain .http files you can version in git.

A self-hosted web application firewall and reverse proxy that filters HTTP traffic to block attacks like SQL injection, XSS, and bot floods.

A web-based graphical interface for managing nginx virtual hosts, streams, SSL certificates and routing without editing config files by hand.

CasaOS is an open-source personal cloud system for home servers that adds a web UI for managing files, storage and Docker apps.

Self-hosted ACME tool that automates SSL certificate issuance, deployment, renewal and monitoring through a visual workflow.

A Go PDF library covering layout, HTML to PDF, text shaping for RTL and CJK scripts, redaction, forms, digital signatures, barcodes, and PDF/A.

A Prometheus exporter that probes external VPN services over VMESS, VLESS, Trojan, WireGuard, AmneziaWG, Shadowsocks and Hysteria2 to report their availability.

A Go CLI that queries multiple internet search engines (Shodan, Censys, FOFA, ZoomEye and more) to find exposed hosts for recon and automation.

Self-hosted real-time monitoring dashboard for Proxmox, Docker, Kubernetes, TrueNAS and vSphere, with alerts and scheduled AI patrol checks.

A Go CLI for saving tmux sessions, windows, panes and running commands, then restoring them lazily from a TUI picker.

A web-based management platform for operating Fail2Ban across one or more Linux hosts, with centralized ban review, unban search, and alerts.

A fast Go-based Dockerfile linter that flags common issues, anti-patterns and security risks with 60+ rules and a 0-100 quality score.

A Go-based all-in-one framework for reconnaissance and MITM attacks across WiFi, BLE, wireless HID, CAN-bus and IPv4/IPv6 networks.

An open-source AI coding agent that reads your project, edits files and runs commands and tests from your terminal, desktop, browser or editor.

Open-source ngrok alternative that exposes a local HTTP server at a public HTTPS URL with one CLI command.

Converts PDFs, Office files, scans, screenshots and diagrams into Markdown by sending pages to your own OpenAI-compatible vision model.