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291-Group

LAN-Orangutan

291-Group

A lightweight network scanner with persistent device labeling, multi-network support, and Tailscale integration, offering both a Web UI and CLI.

v3.4.2
Published at
1d ago
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Synced at
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Latest release

v3.4.2Oct 18, 2026, 04:49 PM
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README

Project Overview

LAN Orangutan is a self-hosted network discovery tool for homelabbers with Tailscale support. Scan your networks, discover devices, label and track them — all from a clean web UI or CLI.

Key Features

  • Auto-discover devices using nmap
  • Password protected (set on first open)
  • Label, group, and add notes to devices
  • Multi-network support
  • Tailscale integration — connect, disconnect, and discover tailnet peers
  • Live scan progress with cancel support
  • Modern web dashboard with light/dark mode
  • Full CLI with JSON output
  • Cross-platform (Linux, macOS, Windows)
  • Single binary, no dependencies

Target Audience

  • Homelab enthusiasts
  • Network administrators
  • Users who need network discovery with Tailscale integration

Quick Start

  1. Download from Releases
  2. Linux/macOS: sudo ./orangutan serve (sudo required for full device info)
  3. Windows: Run orangutan.exe serve as Administrator
  4. Open http://localhost:291 in your browser
  5. Create a password on first open

Core Advantages

  • Single binary with no dependencies
  • Cross-platform (Linux, macOS, Windows)
  • Tailscale integration
  • Open-source and free

System Requirements

  • OS: Linux, macOS, Windows
  • Architectures: x86_64, arm64

Release history

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